NEET 2026 Mock Tests, Practice Questions & Online Preparation

Find the angle of projection for a projectile motion where range $R$ is $n$ times the maximum height $H$.

1 Mark(s)

Your Answer:

$\tan^{-1}(n/4)$ $\tan^{-1}(n/4)$
$\tan^{-1}(4/n)$ $\tan^{-1}(4/n)$
$\tan^{-1}(n/2)$ $\tan^{-1}(n/2)$
$\tan^{-1}(2/n)$ $\tan^{-1}(2/n)$

A uniform rod of length $L$ lies on a smooth horizontal surface. An impulse $J$ is applied at one end perpendicular to the rod. The velocity of the center of mass is:

1 Mark(s)

Your Answer:

$J/2M$ $J/2M$
$J/M$ $J/M$
$2J/M$ $2J/M$
Zero Zero

A block slides down a rough incline of angle $45^\circ$ in twice the time it takes to slide down a smooth incline of same angle. The coefficient of friction is:

1 Mark(s)

Your Answer:

$0.75$ $0.75$
$0.25$ $0.25$
$0.50$ $0.50$
$0.40$ $0.40$

For a material with Poisson's ratio $\sigma = 0.5$, the Bulk Modulus $K$ is related to Young's modulus $Y$ by:

1 Mark(s)

Your Answer:

$K = Y$ $K = Y$
$K = Y/3$ $K = Y/3$
$K = 0$ $K = 0$
$K = \infty$ $K = \infty$

A 100W, 220V bulb is connected to 110V. Power consumed is:

1 Mark(s)

Your Answer:

50W 50W
100W 100W
25W 25W
75W 75W

Two rings of radius $R$ and $nR$ made of same material wire have the same moment of inertia about an axis through center and perpendicular to plane. The value of $n$ is:

1 Mark(s)

Your Answer:

4 4
2 2
3 3
0.5 0.5

Given $\vec{A} = 2\hat{i} + 3\hat{j}$ and $\vec{B} = \hat{i} + \hat{j}$. The component of $\vec{A}$ along $\vec{B}$ is:

1 Mark(s)

Your Answer:

$5/\sqrt{2}$ $5/\sqrt{2}$
$5/2$ $5/2$
$\sqrt{5}$ $\sqrt{5}$
$6$ $6$

A chain of length $L$ and mass $M$ is placed on a smooth table with $1/3$ of its length hanging over the edge. The work done to pull the hanging part back is:

1 Mark(s)

Your Answer:

$MgL/3$ $MgL/3$
$MgL/9$ $MgL/9$
$MgL/18$ $MgL/18$
$MgL/6$ $MgL/6$

A conical pendulum consists of a bob of mass $m$ revolving in a horizontal circle with constant speed $v$ at the end of a string of length $L$. The angular momentum about the point of suspension:

1 Mark(s)

Your Answer:

Is constant in magnitude and direction Is constant in magnitude and direction
Is zero Is zero
Changes in magnitude only Changes in magnitude only
Changes in direction but magnitude is constant

A tuning fork A produces 4 beats/sec with fork B of freq 256 Hz. When A is filed, beats increase. Frequency of A was:

1 Mark(s)

Your Answer:

260 Hz 260 Hz
252 Hz 252 Hz
256 Hz 256 Hz
264 Hz 264 Hz

The technology of 'Hydroelectric Power' utilizes:

1 Mark(s)

Your Answer:

Nuclear Energy Nuclear Energy
Chemical Energy Chemical Energy
Gravitational Potential Energy Gravitational Potential Energy
Heat Energy Heat Energy

The number of significant figures in $2.64 \times 10^{24}$ kg is:

1 Mark(s)

Your Answer:

2 2
3 3
5 5
24 24

The electric potential $V$ at $(x,y,z)$ is $4x^2$. The field at $(1, 0, 2)$ is:

1 Mark(s)

Your Answer:

$8 N/C$ negative x-axis $8 N/C$ negative x-axis
$8 N/C$ positive x-axis $8 N/C$ positive x-axis
$4 N/C$ negative x-axis $4 N/C$ negative x-axis
Zero Zero

The power radiated by a black body is $P_0$ at temperature $T_0$. If the temperature is raised to $3T_0$, the power radiated is:

1 Mark(s)

Your Answer:

$3 P_0$ $3 P_0$
$9 P_0$ $9 P_0$
$27 P_0$ $27 P_0$
$81 P_0$ $81 P_0$

The range of the Weak Nuclear force is of the order of:

1 Mark(s)

Your Answer:

$10^{-10} m$ $10^{-10} m$
$10^{-15} m$ $10^{-15} m$
$10^{-16} m$ $10^{-16} m$
$10^{-6} m$ $10^{-6} m$

An engine operates between $T$ and $300 K$. It expends 200J of heat to produce 50J of work. The minimum value of $T$ is:

1 Mark(s)

Your Answer:

$400 K$ $400 K$
$300 K$ $300 K$
$600 K$ $600 K$
$375 K$ $375 K$

If the earth were to suddenly shrink to half its present size without change in mass, the duration of the day would be:

1 Mark(s)

Your Answer:

12 hours 12 hours
6 hours 6 hours
48 hours 48 hours
24 hours 24 hours

If a ball is thrown vertically up with velocity $u$, the time to reach the maximum height is:

1 Mark(s)

Your Answer:

$u/2g$ $u/2g$
$2u/g$ $2u/g$
$u/g$ $u/g$
$u^2/g$ $u^2/g$

In uniform circular motion, the angle between the velocity vector and acceleration vector is:

1 Mark(s)

Your Answer:

$0^\circ$ $0^\circ$
$90^\circ$ $90^\circ$
$180^\circ$ $180^\circ$
$45^\circ$ $45^\circ$

Capacity of earth (radius 6400 km) is approx:

1 Mark(s)

Your Answer:

1 F 1 F
711 F 711 F
711 $\mu F$ 711 $\mu F$
1 $\mu F$ 1 $\mu F$

Two cars A and B are moving with velocities $v_A$ and $v_B$ in the same direction. The relative velocity of A with respect to B is:

1 Mark(s)

Your Answer:

$v_A + v_B$ $v_A + v_B$
$v_A - v_B$ $v_A - v_B$
$v_B - v_A$ $v_B - v_A$
$\sqrt{v_A^2 + v_B^2}$ $\sqrt{v_A^2 + v_B^2}$

Which theorem states $I_z = I_x + I_y$ for a planar body?

1 Mark(s)

Your Answer:

Theorem of Perpendicular Axes Theorem of Perpendicular Axes
Theorem of Parallel Axes Theorem of Parallel Axes
Conservation of Momentum Conservation of Momentum
Newton's Law Newton's Law

Which prefix represents $10^{15}$?

1 Mark(s)

Your Answer:

Tera Tera
Giga Giga
Exa Exa
Peta Peta

A uniform metal rod is used as a bar pendulum. If the room temperature rises by $10^\circ C$, and coefficient of linear expansion is $2 \times 10^{-6} /^\circ C$, the period increases by percentage:

1 Mark(s)

Your Answer:

$1 \times 10^{-3} \%$ $1 \times 10^{-3} \%$
$2 \times 10^{-3} \%$ $2 \times 10^{-3} \%$
$0.5 \%$ $0.5 \%$
$0.01 \%$ $0.01 \%$

Which of the following forces violates the conservation of 'Parity' (mirror symmetry)?

1 Mark(s)

Your Answer:

Strong Nuclear Force Strong Nuclear Force
Weak Nuclear Force Weak Nuclear Force
Electromagnetic Force Electromagnetic Force
Gravitational Force Gravitational Force

The ratio of distances covered by a freely falling body in 1st, 2nd, and 3rd seconds is:

1 Mark(s)

Your Answer:

01:02:03 01:02:03
01:04:09 01:04:09
01:01:01 01:01:01
01:03:05 01:03:05

The displacement $x$ varies with time as $x = 4t^2 + 2t$. The instantaneous velocity at $t=2s$ is:

1 Mark(s)

Your Answer:

$10$ units $10$ units
$16$ units $16$ units
$18$ units $18$ units
$20$ units $20$ units

A car travels from A to B at 40 km/h and returns at 60 km/h. What is the average velocity?

1 Mark(s)

Your Answer:

50 km/h 50 km/h
48 km/h 48 km/h
10 km/h 10 km/h
0 km/h 0 km/h

A particle is moving in a circle of radius $r$ with speed $v = kt$ where $k$ is a constant. The net acceleration at time $t$ is:

1 Mark(s)

Your Answer:

$k$ $k$
$k^2t^2/r$ $k^2t^2/r$
$k\sqrt{1 + \frac{k^2t^4}{r^2}}$ $k\sqrt{1 + \frac{k^2t^4}{r^2}}$
Zero Zero

A bullet loses 1/20 of its velocity after penetrating a plank. How many such planks are required to stop the bullet?

1 Mark(s)

Your Answer:

10 10
12 12
11 11
20 20

Two blocks A and B of masses 2kg and 3kg are connected by a spring. They are placed on a smooth table. Forces 10N and 20N are applied on A and B in opposite directions. The acceleration of the center of mass is:

1 Mark(s)

Your Answer:

$5 m/s^2$ $5 m/s^2$
$2 m/s^2$ $2 m/s^2$
$3 m/s^2$ $3 m/s^2$
$0.5 m/s^2$ $0.5 m/s^2$

'Cyclotron', a device used to accelerate charged particles, was invented by:

1 Mark(s)

Your Answer:

Rutherford Rutherford
Bohr Bohr
E.O. Lawrence E.O. Lawrence
Einstein Einstein

A point object is placed at a distance of 30 cm from a convex lens of focal length 20 cm. If a plane mirror is placed perpendicular to the principal axis at a distance of 40 cm from the lens on the other side, the final image will be formed:

1 Mark(s)

Your Answer:

At the optical center At the optical center
20 cm from lens 20 cm from lens
40 cm from lens 40 cm from lens
Infinity Infinity

If physical quantity $X$ is represented by $M^a L^b T^c$, and % errors in M, L, T are $\alpha, \beta, \gamma$, then total % error in X is:

1 Mark(s)

Your Answer:

$a\alpha + b\beta + c\gamma$ $a\alpha + b\beta + c\gamma$
$a\alpha - b\beta + c\gamma$ $a\alpha - b\beta + c\gamma$
$\alpha/a + \beta/b + \gamma/c$ $\alpha/a + \beta/b + \gamma/c$
$\alpha\beta\gamma$ $\alpha\beta\gamma$

Which of the following is correct regarding 'Random Errors'?

1 Mark(s)

Your Answer:

They are always positive They are always positive
They can be minimized by averaging They can be minimized by averaging
They are due to instrument zero error They are due to instrument zero error
They follow a linear pattern They follow a linear pattern

Specific charge of a photon is:

1 Mark(s)

Your Answer:

$1.76 \times 10^{11}$ $1.76 \times 10^{11}$
$9.1 \times 10^{-31}$ $9.1 \times 10^{-31}$
Infinite Infinite
Zero (Charge is 0) Zero (Charge is 0)

A meter stick is held vertically with one end on the floor and is then allowed to fall. The speed of the other end when it hits the floor is:

1 Mark(s)

Your Answer:

$\sqrt{3gL}$ $\sqrt{3gL}$
$\sqrt{gL}$ $\sqrt{gL}$
$\sqrt{2gL}$ $\sqrt{2gL}$
$2\sqrt{gL}$ $2\sqrt{gL}$

Two plane mirrors are parallel to each other. An object is placed between them. The number of images formed is:

1 Mark(s)

Your Answer:

2 2
4 4
Infinite Infinite
Zero Zero

Acceleration $a$ vs time $t$ graph is a triangle with base $T$ and height $a_0$. Max velocity attained (from rest) is:

1 Mark(s)

Your Answer:

$a_0 T$ $a_0 T$
$2 a_0 T$ $2 a_0 T$
$\frac{1}{2} a_0 T$ $\frac{1}{2} a_0 T$
$a_0 T^2$ $a_0 T^2$

Two vectors $\vec{P}$ and $\vec{Q}$ are inclined at an angle $\theta$. If $|\vec{P}+\vec{Q}| = \sqrt{3} |\vec{P}|$ and $|\vec{P}| = |\vec{Q}|$, then $\theta$ is:

1 Mark(s)

Your Answer:

$30^\circ$ $30^\circ$
$60^\circ$ $60^\circ$
$45^\circ$ $45^\circ$
$90^\circ$ $90^\circ$

What is the torque of the force $\vec{F} = 2\hat{i} - 3\hat{j} + 4\hat{k}$ acting at the point $\vec{r} = 3\hat{i} + 2\hat{j} + 3\hat{k}$?

1 Mark(s)

Your Answer:

$17\hat{i} - 4\hat{j} - 13\hat{k}$ $17\hat{i} - 4\hat{j} - 13\hat{k}$
$17\hat{i} + 4\hat{j} + 13\hat{k}$ $17\hat{i} + 4\hat{j} + 13\hat{k}$
$6\hat{i} - 6\hat{j} + 12\hat{k}$ $6\hat{i} - 6\hat{j} + 12\hat{k}$
Zero Zero

A source of sound of frequency 500 Hz moves towards a wall with velocity $v/5$. The number of beats heard by a stationary observer between direct and reflected sound is:

1 Mark(s)

Your Answer:

208 Hz 208 Hz
50 Hz 50 Hz
100 Hz 100 Hz
Zero Zero

The vector projection of vector $3\hat{i} + 4\hat{k}$ on y-axis is:

1 Mark(s)

Your Answer:

3 3
4 4
5 5
0 0

A monkey of mass 40 kg climbs a rope which can withstand a maximum tension of 600 N. In which case will the rope break?

1 Mark(s)

Your Answer:

Climbs up with $a = 6 m/s^2$ Climbs up with $a = 6 m/s^2$
Climbs up with $a = 4 m/s^2$ Climbs up with $a = 4 m/s^2$
Climbs down with $a = 5 m/s^2$ Climbs down with $a = 5 m/s^2$
Falls freely Falls freely

In the macroscopic domain, Physics mainly deals with:

1 Mark(s)

Your Answer:

Mechanics, Electrodynamics, Thermodynamics
Quantum Mechanics Quantum Mechanics
Atomic Physics Atomic Physics
Nuclear Physics Nuclear Physics

Osteoporosis is mainly caused by:

1 Mark(s)

Your Answer:

Low Estrogen Low Estrogen
High Parathormone High Parathormone
Low Vitamin D Low Vitamin D
High Calcium High Calcium

The Sphincter of Oddi guards the opening of:

1 Mark(s)

Your Answer:

Hepatopancreatic duct Hepatopancreatic duct
Common bile duct Common bile duct
Pancreatic duct Pancreatic duct
Cystic duct Cystic duct

The pH of gastric juice is approximately:

1 Mark(s)

Your Answer:

7 7
9 9
5 5
2 2

Marsupials complete development:

1 Mark(s)

Your Answer:

In uterus In uterus
In eggs In eggs
In a pouch In a pouch
Outside body Outside body

The connecting link between Glycolysis and Krebs cycle is:

1 Mark(s)

Your Answer:

Pyruvate Pyruvate
Acetyl CoA Acetyl CoA
Citrate Citrate
OAA OAA

Müllerian mimicry involves:

1 Mark(s)

Your Answer:

Harmless species Harmless species
Harmful species resembling each other Harmful species resembling each other
One species only One species only
No resemblance No resemblance

Who proved that DNA replication is semi-conservative?

1 Mark(s)

Your Answer:

Meselson and Stahl Meselson and Stahl
Watson and Crick Watson and Crick
Hershey and Chase Hershey and Chase
Taylor Taylor

lac operon is:

1 Mark(s)

Your Answer:

Repressible Repressible
Inducible Inducible
Constitutive Constitutive
Non-functional Non-functional

Which breeding method is used to overcome inbreeding depression?

1 Mark(s)

Your Answer:

Outcrossing Outcrossing
Inbreeding Inbreeding
Selfing Selfing
Selection Selection

Oxidative phosphorylation produces:

1 Mark(s)

Your Answer:

Most ATP Most ATP
Least ATP Least ATP
No ATP No ATP
Only 2 ATP Only 2 ATP

Endemic species are those:

1 Mark(s)

Your Answer:

Found in one area only Found in one area only
Found everywhere Found everywhere
Extinct Extinct
Domesticated Domesticated

Industrial Melanism is an example of:

1 Mark(s)

Your Answer:

Mutation Mutation
Genetic drift Genetic drift
Artificial selection Artificial selection
Natural selection Natural selection

Western blotting detects:

1 Mark(s)

Your Answer:

DNA DNA
RNA RNA
Protein Protein
Carbohydrate Carbohydrate

The abscission zone forms:

1 Mark(s)

Your Answer:

At leaf base At leaf base
At leaf tip At leaf tip
In stem center In stem center
In roots In roots

Penicillin is an antibiotic produced by:

1 Mark(s)

Your Answer:

Penicillium mold Penicillium mold
Bacteria Bacteria
Viruses Viruses
Plants Plants

CRISPR-Cas9 is used for:

1 Mark(s)

Your Answer:

Cloning Cloning
PCR PCR
Sequencing Sequencing
Gene editing Gene editing

Cyanobacteria perform:

1 Mark(s)

Your Answer:

Photosynthesis producing $O_2$ Photosynthesis producing $O_2$
Chemosynthesis Chemosynthesis
Fermentation only Fermentation only
Nitrogen fixation only Nitrogen fixation only

The 10% law of energy transfer states that:

1 Mark(s)

Your Answer:

50% transfer 50% transfer
90% transfer 90% transfer
100% transfer 100% transfer
10% transfer 10% transfer

Placental mammals:

1 Mark(s)

Your Answer:

Lay eggs Lay eggs
Develop in uterus with placenta Develop in uterus with placenta
Develop in pouch Develop in pouch
Have no development Have no development

Fetal Ejection Reflex triggers the release of:

1 Mark(s)

Your Answer:

Prolactin Prolactin
Oxytocin Oxytocin
Estrogen Estrogen
Relaxin Relaxin

Edwards syndrome is trisomy of:

1 Mark(s)

Your Answer:

Chromosome 13 Chromosome 13
Chromosome 21 Chromosome 21
Chromosome 18 Chromosome 18
Chromosome X Chromosome X

During binary fission in Amoeba, which plane of division is observed?

1 Mark(s)

Your Answer:

Transverse Transverse
Longitudinal Longitudinal
Irregular Irregular
Oblique Oblique

Chiasmata are:

1 Mark(s)

Your Answer:

Proteins Proteins
Crossover points Crossover points
Enzymes Enzymes
Chromosomes Chromosomes

Retroviruses contain:

1 Mark(s)

Your Answer:

RNA and reverse transcriptase RNA and reverse transcriptase
DNA only DNA only
Protein genome Protein genome
No nucleic acid No nucleic acid

Somatic nervous system:

1 Mark(s)

Your Answer:

Involuntary Involuntary
Voluntary movements Voluntary movements
Cardiac Cardiac
Autonomic Autonomic

Mycorrhizae help plants in:

1 Mark(s)

Your Answer:

Nutrient absorption Nutrient absorption
Photosynthesis Photosynthesis
Reproduction Reproduction
Protection only Protection only

Enterokinase activates:

1 Mark(s)

Your Answer:

Pepsinogen Pepsinogen
Amylase Amylase
Trypsinogen Trypsinogen
Lipase Lipase

RNA interference (RNAi) involves silencing of a specific mRNA using:

1 Mark(s)

Your Answer:

ssDNA ssDNA
ssRNA ssRNA
dsDNA dsDNA
dsRNA dsRNA

Light-independent reactions (Calvin cycle):

1 Mark(s)

Your Answer:

Thylakoid Thylakoid
Stroma Stroma
Matrix Matrix
Cytoplasm Cytoplasm

Type 1 diabetes:

1 Mark(s)

Your Answer:

Type 2 Type 2
Beta cell attack Beta cell attack
Metabolic Metabolic
Genetic Genetic

Organ of Corti is found in:

1 Mark(s)

Your Answer:

Cochlea Cochlea
Semicircular canals Semicircular canals
Tympanic membrane Tympanic membrane
Eustachian tube Eustachian tube

Bacteriophages infect:

1 Mark(s)

Your Answer:

Bacteria Bacteria
Plants Plants
Animals Animals
Fungi Fungi

Action potential:

1 Mark(s)

Your Answer:

Resting potential Resting potential
Depolarization Depolarization
Repolarization Repolarization
Hyperpolarization Hyperpolarization

Dissociation of the Oxy-haemoglobin curve to the right is favored by:

1 Mark(s)

Your Answer:

Low temperature Low temperature
High $pCO_2$ and High $H^+$ High $pCO_2$ and High $H^+$
High pH High pH
Low $pCO_2$ Low $pCO_2$

The first clinical gene therapy was given to a 4-year old girl with:

1 Mark(s)

Your Answer:

ADA deficiency ADA deficiency
Insulin deficiency Insulin deficiency
Growth hormone deficiency Growth hormone deficiency
Vitamin deficiency Vitamin deficiency

The hormone ADH (Antidiuretic hormone) regulates:

1 Mark(s)

Your Answer:

Water reabsorption Water reabsorption
Glucose reabsorption Glucose reabsorption
Sodium reabsorption Sodium reabsorption
Protein filtration Protein filtration

The signals for parturition originate from:

1 Mark(s)

Your Answer:

Mother's pituitary Mother's pituitary
Placenta only Placenta only
Fully developed fetus and placenta Fully developed fetus and placenta
Ovary Ovary

Root pressure is generated by:

1 Mark(s)

Your Answer:

Passive diffusion Passive diffusion
Transpiration Transpiration
Active ion transport into xylem Active ion transport into xylem
Photosynthesis Photosynthesis

Redifferentiation is:

1 Mark(s)

Your Answer:

Primary differentiation Primary differentiation
Maturation after dedifferentiation Maturation after dedifferentiation
Cell division Cell division
Cell death Cell death

Crossing over occurs in:

1 Mark(s)

Your Answer:

Metaphase I Metaphase I
Anaphase I Anaphase I
Prophase I Prophase I
Telophase I Telophase I

Chylomicrons are concerned with the transport of:

1 Mark(s)

Your Answer:

Proteins Proteins
Fats Fats
Carbohydrates Carbohydrates
Minerals Minerals

The water cycle involves:

1 Mark(s)

Your Answer:

Only evaporation Only evaporation
Only precipitation Only precipitation
Only condensation Only condensation
All water phase changes All water phase changes

Paleontology studies:

1 Mark(s)

Your Answer:

Living organisms Living organisms
Modern ecology Modern ecology
Current species Current species
Fossils and ancient life Fossils and ancient life

ZZW-ZZ type of sex determination is seen in:

1 Mark(s)

Your Answer:

Humans Humans
Grasshoppers Grasshoppers
Drosophila Drosophila
Birds Birds

Guttation is the process of:

1 Mark(s)

Your Answer:

Transpiration Transpiration
Water droplet exudation from leaf tips Water droplet exudation from leaf tips
$CO_2$ release $CO_2$ release
Pollen release Pollen release

Sex chromosomes in human males are:

1 Mark(s)

Your Answer:

XY XY
XX XX
YY YY
XO XO

Sertoli cells are regulated by:

1 Mark(s)

Your Answer:

LH LH
GH GH
FSH FSH
TSH TSH

Nitrification is the conversion of:

1 Mark(s)

Your Answer:

$N_2$ to $NH_3$ $N_2$ to $NH_3$
$NH_3$ to $NO_3^-$ $NH_3$ to $NO_3^-$
$NO_3^-$ to $N_2$ $NO_3^-$ to $N_2$
Protein to $NH_3$ Protein to $NH_3$

The three main types of symbiosis are:

1 Mark(s)

Your Answer:

Predation only Predation only
Competition only Competition only
Mutualism, commensalism, parasitism Mutualism, commensalism, parasitism
Herbivory only Herbivory only

Heart rate regulation:

1 Mark(s)

Your Answer:

Hormonal only Hormonal only
Nervous system Nervous system
Neural Neural
Cardiac Cardiac

Major and minor grooves are features of:

1 Mark(s)

Your Answer:

DNA DNA
RNA RNA
Protein Protein
Lipid Lipid

The QRS complex in a standard ECG represents:

1 Mark(s)

Your Answer:

Depolarization of ventricles Depolarization of ventricles
Repolarization of ventricles Repolarization of ventricles
Depolarization of atria Depolarization of atria
Repolarization of atria Repolarization of atria

Bioulistics (Gene gun) is suitable for:

1 Mark(s)

Your Answer:

Bacteria Bacteria
Animal cells Animal cells
Viruses Viruses
Plant cells Plant cells

Which chemical is used to induce polyploidy in plants?

1 Mark(s)

Your Answer:

Auxin Auxin
Cytokinin Cytokinin
Gibberellin Gibberellin
Colchicine Colchicine

Synapse definition:

1 Mark(s)

Your Answer:

Nerve connection Nerve connection
Neural junction Neural junction
Neurotransmitter Neurotransmitter
Signal Signal

Mitochondria in sperm are located in:

1 Mark(s)

Your Answer:

Head Head
Acrosome Acrosome
Middle piece Middle piece
Tail Tail

Resting potential:

1 Mark(s)

Your Answer:

0 mV 0 mV
-70 mV -70 mV
+30 mV +30 mV
+70 mV +70 mV

Rh factor:

1 Mark(s)

Your Answer:

Blood type Blood type
Rhesus protein Rhesus protein
Antigen Antigen
Blood group Blood group

A transgenic organism contains:

1 Mark(s)

Your Answer:

Only its own DNA Only its own DNA
Foreign DNA Foreign DNA
Mutated DNA Mutated DNA
No DNA No DNA

Mollusks include:

1 Mark(s)

Your Answer:

Insects only Insects only
Worms only Worms only
Snails, clams, and squids Snails, clams, and squids
Spiders only Spiders only

Cleavage in human zygote is:

1 Mark(s)

Your Answer:

Holoblastic Holoblastic
Meroblastic Meroblastic
Superficial Superficial
Discoidal Discoidal

Diabetes mellitus is caused by deficiency of:

1 Mark(s)

Your Answer:

Thyroxine Thyroxine
Insulin Insulin
Adrenaline Adrenaline
Growth hormone Growth hormone

AIDS definition:

1 Mark(s)

Your Answer:

Infection Infection
Immunodeficiency Immunodeficiency
Viral Viral
AIDS AIDS

A bioreactor provides optimal conditions for:

1 Mark(s)

Your Answer:

Storage Storage
Purification Purification
Gene isolation Gene isolation
Growth and product formation Growth and product formation

The Environment (Protection) Act was passed in India in the year:

1 Mark(s)

Your Answer:

1974 1974
1981 1981
1980 1980
1986 1986

Antibiotic resistance gene in pBR322 is:

1 Mark(s)

Your Answer:

Penicillin Penicillin
Ampicillin and tetracycline Ampicillin and tetracycline
Streptomycin Streptomycin
Chloramphenicol Chloramphenicol

Hypertension definition:

1 Mark(s)

Your Answer:

Low pressure Low pressure
Elevated pressure Elevated pressure
Hypotension Hypotension
Dysrhythmia Dysrhythmia

Instinctive behaviors are:

1 Mark(s)

Your Answer:

Learned Learned
Taught Taught
Acquired Acquired
Innate an Innate an

Viruses consist of:

1 Mark(s)

Your Answer:

Cells Cells
Nucleic acid and protein coat Nucleic acid and protein coat
Organelles Organelles
Cell wall Cell wall

Cancer causing genes are called:

1 Mark(s)

Your Answer:

Oncogenes Oncogenes
Proto-oncogenes Proto-oncogenes
Transposons Transposons
Mutagens Mutagens

The gestation period in humans is:

1 Mark(s)

Your Answer:

6 months 6 months
7 months 7 months
9 months 9 months
12 months 12 months

Plasmids are:

1 Mark(s)

Your Answer:

Linear DNA Linear DNA
Large chromosomes Large chromosomes
Circular extrachromosomal DNA Circular extrachromosomal DNA
Proteins Proteins

The most important climatic factors that regulate decomposition are:

1 Mark(s)

Your Answer:

Light and Temperature Light and Temperature
Temperature and Moisture Temperature and Moisture
Wind and Soil Wind and Soil
pH and Light pH and Light

The speed of nerve impulse is approximately:

1 Mark(s)

Your Answer:

1 m/s 1 m/s
100 m/s 100 m/s
1000 m/s 1000 m/s
10 m/s 10 m/s

Shine-Dalgarno sequence is found in:

1 Mark(s)

Your Answer:

Eukaryotes Eukaryotes
Prokaryotes Prokaryotes
Both Both
Neither Neither

Neurotransmitter function:

1 Mark(s)

Your Answer:

Electrical signals Electrical signals
Chemical messaging Chemical messaging
Receptor Receptor
Synapse Synapse

Bacterial endospores are:

1 Mark(s)

Your Answer:

Survival structures Survival structures
Reproductive cells Reproductive cells
Normal cells Normal cells
Dead cells Dead cells

Glomerular Filtration Rate (GFR) in a healthy individual is approx:

1 Mark(s)

Your Answer:

180 ml/min 180 ml/min
100 ml/min 100 ml/min
500 ml/min 500 ml/min
125 ml/min 125 ml/min

Which of the following white blood cells releases histamine and heparin?

1 Mark(s)

Your Answer:

Neutrophils Neutrophils
Basophils Basophils
Monocytes Monocytes
Lymphocytes Lymphocytes

Which ecosystem has the maximum Net Primary Productivity (NPP)?

1 Mark(s)

Your Answer:

Desert Desert
Tropical Rainforest Tropical Rainforest
Open Ocean Open Ocean
Tundra Tundra

Citric acid cycle location:

1 Mark(s)

Your Answer:

Cytoplasm Cytoplasm
Matrix Matrix
Stroma Stroma
Thylakoid Thylakoid

The 'Dub' sound of the heart is produced during:

1 Mark(s)

Your Answer:

Closure of AV valves Closure of AV valves
Opening of AV valves Opening of AV valves
Opening of Semilunar valves Opening of Semilunar valves
Closure of Semilunar valves Closure of Semilunar valves

Amrita Devi Bishnoi is associated with the conservation of:

1 Mark(s)

Your Answer:

Water Water
Wildlife Wildlife
Forests Forests
Soil Soil

Wind pollinated flowers are characterized by:

1 Mark(s)

Your Answer:

Large colorful petals Large colorful petals
Light, non-sticky pollen Light, non-sticky pollen
Heavy sticky pollen Heavy sticky pollen
Nectar production Nectar production

Addison's disease is caused by:

1 Mark(s)

Your Answer:

Excess cortisol Excess cortisol
Deficient cortisol Deficient cortisol
Excess insulin Excess insulin
Deficient thyroxine Deficient thyroxine

Anaerobic respiration produces:

1 Mark(s)

Your Answer:

Glucose Glucose
Lactate/ethanol Lactate/ethanol
ATP only ATP only
CO₂ CO₂

Proofreading activity is present in:

1 Mark(s)

Your Answer:

DNA polymerase III DNA polymerase III
RNA polymerase RNA polymerase
Ligase Ligase
Helicase Helicase

A typical angiosperm embryo sac at maturity is:

1 Mark(s)

Your Answer:

8-nucleate, 8-celled 8-nucleate, 8-celled
7-nucleate, 8-celled 7-nucleate, 8-celled
7-nucleate, 7-celled 7-nucleate, 7-celled
8-nucleate, 7-celled 8-nucleate, 7-celled

Mendel's work was rediscovered by:

1 Mark(s)

Your Answer:

Morgan Morgan
Bateson Bateson
de Vries, Correns, Tschermak de Vries, Correns, Tschermak
Punnett Punnett

Which enzyme removes the RNA primer during DNA replication?

1 Mark(s)

Your Answer:

DNA Polymerase I DNA Polymerase I
DNA Polymerase III DNA Polymerase III
Primase Primase
Ligase Ligase

Which ion is most stable?

1 Mark(s)

Your Answer:

$\ce{Fe^3+}$ $\ce{Fe^3+}$
$\ce{Mn^2+}$ $\ce{Mn^2+}$
$\ce{Cr^2+}$ $\ce{Cr^2+}$
$\ce{V^2+}$ $\ce{V^2+}$

Which compound has highest percentage of oxygen?

1 Mark(s)

Your Answer:

$\ce{H2O2}$ $\ce{H2O2}$
$\ce{H2O}$ $\ce{H2O}$
$\ce{MnO2}$ $\ce{MnO2}$
$\ce{CaO}$ $\ce{CaO}$

Lindlar's catalyst is used for:

1 Mark(s)

Your Answer:

Complete reduction Complete reduction
No reduction No reduction
Partial reduction to cis-alkene Partial reduction to cis-alkene
Oxidation Oxidation

Formic acid is stronger acid than acetic acid because:

1 Mark(s)

Your Answer:

No +I effect in $\ce{HCOOH}$ No +I effect in $\ce{HCOOH}$
Larger size Larger size
More polar More polar
Lower pKa Lower pKa

Standard cell potential is related to Gibbs energy by:

1 Mark(s)

Your Answer:

$\Delta G° = nFE°$ $\Delta G° = nFE°$
$\Delta G° = -nFE°$ $\Delta G° = -nFE°$
$\Delta G° = nF/E°$ $\Delta G° = nF/E°$
$\Delta G° = -E°/nF$ $\Delta G° = -E°/nF$

Acetone is prepared industrially by:

1 Mark(s)

Your Answer:

Cumene oxidation Cumene oxidation
Fermentation Fermentation
Oxidation of propanol Oxidation of propanol
Dehydrogenation Dehydrogenation

Second order half-life:

1 Mark(s)

Your Answer:

$\frac{0.693}{k}$ $\frac{0.693}{k}$
$\frac{1}{k[A]_0}$ $\frac{1}{k[A]_0}$
$\frac{[A]_0}{k}$ $\frac{[A]_0}{k}$
$\frac{k}{[A]_0}$ $\frac{k}{[A]_0}$

Which element can show positive oxidation state?

1 Mark(s)

Your Answer:

Fluorine Fluorine
Oxygen Oxygen
Chlorine Chlorine
Nitrogen Nitrogen

Bond order of $\ce{C2}$ molecule is:

1 Mark(s)

Your Answer:

1 1
1. 5 1. 5
2 2
2.5 2.5

Glycogen has:

1 Mark(s)

Your Answer:

Linear structure Linear structure
Branched structure Branched structure
No linkages No linkages
Only $\beta$ linkages Only $\beta$ linkages

Oxidation state of S in $\ce{Na2S4O6}$:

1 Mark(s)

Your Answer:

2 2
2.5 2.5
4 4
6 6

Which element shows maximum oxidation states?

1 Mark(s)

Your Answer:

Iron Iron
Chromium Chromium
Manganese Manganese
Vanadium Vanadium

Starch gives blue color with iodine due to:

1 Mark(s)

Your Answer:

Helical inclusion complex Helical inclusion complex
Chemical reaction Chemical reaction
Oxidation Oxidation
Ion formation Ion formation

IUPAC name of $\ce{[Co(NH3)6]Cl3}$ is:

1 Mark(s)

Your Answer:

Hexaamminecobalt(III) chloride Hexaamminecobalt(III) chloride
Cobalt hexaammine chloride Cobalt hexaammine chloride
Hexaammine cobalt trichloride Hexaammine cobalt trichloride
Cobalt(III) hexaammine chloride Cobalt(III) hexaammine chloride

Lanthanide contraction causes:

1 Mark(s)

Your Answer:

Similar sizes in transition series Similar sizes in transition series
Different sizes Different sizes
Larger sizes Larger sizes
No effect No effect

Which element has electronic configuration $[\ce{Ar}]3d^{10}4s^1$?

1 Mark(s)

Your Answer:

Copper Copper
Chromium Chromium
Potassium Potassium
Calcium Calcium

Which shows maximum paramagnetic character?

1 Mark(s)

Your Answer:

$\ce{N2}$ $\ce{N2}$
$\ce{O2}$ $\ce{O2}$
$\ce{F2}$ $\ce{F2}$
$\ce{Ne2}$ $\ce{Ne2}$

Benzyne intermediate forms by:

1 Mark(s)

Your Answer:

Direct substitution Direct substitution
Addition mechanism Addition mechanism
Elimination-addition mechanism Elimination-addition mechanism
Free radical Free radical

Bond order of $\ce{O2-}$ (superoxide) is:

1 Mark(s)

Your Answer:

1 1
2 2
1.5 1.5
2.5 2.5

Shape of $\ce{XeF4}$ is:

1 Mark(s)

Your Answer:

Tetrahedral Tetrahedral
Octahedral Octahedral
Square planar Square planar
Square pyramidal Square pyramidal

Lanthanide contraction leads to:

1 Mark(s)

Your Answer:

Larger 3rd row Larger 3rd row
Similar radii 2nd-3rd row Similar radii 2nd-3rd row
Smaller 2nd row Smaller 2nd row
No effect No effect

At critical point:

1 Mark(s)

Your Answer:

Gas is denser Gas is denser
Liquid and gas identical Liquid and gas identical
Only liquid exists Only liquid exists
Only gas exists Only gas exists

Decay constant relates to half-life:

1 Mark(s)

Your Answer:

$\lambda = \frac{0.693}{t_{1/2}}$ $\lambda = \frac{0.693}{t_{1/2}}$
$\lambda = t_{1/2}/0.693$ $\lambda = t_{1/2}/0.693$
$\lambda = 2t_{1/2}$ $\lambda = 2t_{1/2}$
$\lambda = 0.693 \times t_{1/2}$ $\lambda = 0.693 \times t_{1/2}$

Degree of hydrolysis increases with:

1 Mark(s)

Your Answer:

Concentration Concentration
Dilution Dilution
Temperature decrease Temperature decrease
Pressure Pressure

DNA replication is:

1 Mark(s)

Your Answer:

Conservative Conservative
Dispersive Dispersive
Semi-conservative Semi-conservative
Random Random

Hell-Volhard-Zelinsky reaction involves:

1 Mark(s)

Your Answer:

$\ce{Cl2/PCl3}$ on acid $\ce{Cl2/PCl3}$ on acid
$\ce{Br2/NaOH}$ on acid $\ce{Br2/NaOH}$ on acid
$\ce{I2/KOH}$ on acid $\ce{I2/KOH}$ on acid
$\ce{Cl2/H2O}$ on acid $\ce{Cl2/H2O}$ on acid

Three-center-two-electron bond is found in:

1 Mark(s)

Your Answer:

$\ce{H2}$ $\ce{H2}$
$\ce{CH4}$ $\ce{CH4}$
$\ce{B2H6}$ $\ce{B2H6}$
$\ce{C2H6}$ $\ce{C2H6}$

$\ce{NH3}$ is better ligand than $\ce{PH3}$ because:

1 Mark(s)

Your Answer:

Smaller N, more electronegative Smaller N, more electronegative
Larger N Larger N
More stable More stable
Lower basicity Lower basicity

van der Waals equation for real gases is:

1 Mark(s)

Your Answer:

$(P - \frac{a}{V^2})(V - b) = RT$ $(P - \frac{a}{V^2})(V - b) = RT$
$(P + \frac{a}{V^2})(V - b) = RT$ $(P + \frac{a}{V^2})(V - b) = RT$
$(P + \frac{a}{V})(V + b) = RT$ $(P + \frac{a}{V})(V + b) = RT$
$(P - \frac{a}{V^2})(V + b) = RT$ $(P - \frac{a}{V^2})(V + b) = RT$

Which element forms $\pi$-bond using d-orbitals?

1 Mark(s)

Your Answer:

Nitrogen Nitrogen
Phosphorus Phosphorus
Carbon Carbon
Oxygen Oxygen

Nucleophilicity order in protic solvent:

1 Mark(s)

Your Answer:

$\ce{F- > Cl- > Br- > I-}$ $\ce{F- > Cl- > Br- > I-}$
$\ce{Cl- > Br- > I- > F-}$ $\ce{Cl- > Br- > I- > F-}$
$\ce{I- > Br- > Cl- > F-}$ $\ce{I- > Br- > Cl- > F-}$
All equal All equal

Calculation from combustion analysis:

1 Mark(s)

Your Answer:

Carbon from CO₂, H from H₂O Carbon from CO₂, H from H₂O
Just burn completely Just burn completely
No specific method No specific method
Random calculation Random calculation

Isotones have:

1 Mark(s)

Your Answer:

Same number of neutrons Same number of neutrons
Same Z Same Z
Same A Same A
Same electrons Same electrons

For the reaction $\ce{N2 + 3H2 <=> 2NH3}$, $K_p$ in terms of $K_c$ is:

1 Mark(s)

Your Answer:

$K_c(RT)^2$ $K_c(RT)^2$
$K_c(RT)^{-2}$ $K_c(RT)^{-2}$
$K_c(RT)$ $K_c(RT)$
$K_c$ $K_c$

Molar mass by Dumas method determines:

1 Mark(s)

Your Answer:

From vapor density From vapor density
From refractive index From refractive index
From solubility From solubility
From color From color

Which has square planar geometry?

1 Mark(s)

Your Answer:

$\ce{CH4}$ $\ce{CH4}$
$\ce{NH3}$ $\ce{NH3}$
$\ce{BF3}$ $\ce{BF3}$
$\ce{XeF4}$ $\ce{XeF4}$

Silicones are:

1 Mark(s)

Your Answer:

$\ce{Si-Si}$ polymers $\ce{Si-Si}$ polymers
$\ce{Si-O}$ polymers $\ce{Si-O}$ polymers
Pure silicon Pure silicon
Silicon carbide Silicon carbide

Peroxide ion ($\ce{O2^2-}$) has bond order:

1 Mark(s)

Your Answer:

2 2
1 1
1.5 1.5
0 0

Abnormal molar mass is observed when:

1 Mark(s)

Your Answer:

Pure solvent Pure solvent
Normal solute Normal solute
Association/dissociation occurs Association/dissociation occurs
High temperature High temperature

Carboxylic acids are more acidic than phenols because:

1 Mark(s)

Your Answer:

Larger size Larger size
Higher molecular mass Higher molecular mass
Better resonance stabilization Better resonance stabilization
More polar More polar

Birch reduction of benzene gives:

1 Mark(s)

Your Answer:

1,4-cyclohexadiene 1,4-cyclohexadiene
Cyclohexane Cyclohexane
Cyclohexene Cyclohexene
Benzene remains Benzene remains

Rate determining step is:

1 Mark(s)

Your Answer:

Fastest step Fastest step
First step First step
Slowest step Slowest step
Last step Last step

Shielding effect is maximum in:

1 Mark(s)

Your Answer:

p-orbital p-orbital
s-orbital s-orbital
d-orbital d-orbital
f-orbital f-orbital

Actinoids are:

1 Mark(s)

Your Answer:

Radioactive, 5f series Radioactive, 5f series
Non-radioactive Non-radioactive
6d series 6d series
4f series 4f series

Pseudo first order reaction:

1 Mark(s)

Your Answer:

Zero order Zero order
Second order in disguise Second order in disguise
Third order Third order
Always first order Always first order

Evaluating Your Answers

NEET 2026 Mock Tests : Question 1 of 180