NEET UG Mock Test 13 - Online MCQ Exam

The nervous tissues are composed of:

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Your Answer:

electrons electrons
neurons neurons
protons protons
neutrons neutrons

Alpha particle ionizes an atom_________________?

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Your Answer:

Through direct collision Through direct collision
Through electrostatic attraction Through electrostatic attraction
Through electrostatic repulsion Through electrostatic repulsion
All of above All of above

The tissues which are responsible for the transportation of dissolved substances and water to aerial parts from roots are called:

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Your Answer:

phloem tissues phloem tissues
chlorophyll tissues chlorophyll tissues
mesophyll tissues mesophyll tissues
xylem tissues xylem tissues

What is the pH of a solution formed by dissolving 0.005 moles of Ca(OH)2 in 50 mL of water?

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Your Answer:

10.5 approx. 10.5 approx.
13 approx. 13 approx.
8.2 approx. 8.2 approx.
15 approx. 15 approx.

Triploblastic have embroynic layers_________?

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Your Answer:

1 1
2 2
3 3
4 4

First major group of amphibians developed in the_________ period?

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Your Answer:

Triassic Triassic
Devonian Devonian
Early permian Early permian
None of these None of these

The total torque produced in opening a nut from spanner is:

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Your Answer:

F * AB F * AB
F * A F * A
F * B F * B
A * B A * B

Spermatogenesis is stimulated by:

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Your Answer:

Testosterone Testosterone
Estrogen Estrogen
Progesterone Progesterone
Oxytocin Oxytocin

An internal and external structure of organism is___________?

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Your Answer:

upper part upper part
outer layer outer layer
skeleton skeleton
muscles muscles

Parenchyma cells function in:

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Your Answer:

Storage and metabolism Storage and metabolism
Support only Support only
Water transport Water transport
Protection only Protection only

Which statement best explains why Dalton’s atomic theory was accepted over earlier ideas?

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Your Answer:

A) It was based on imagination A) It was based on imagination
B) It was based on experiments B) It was based on experiments
C) It included electrons C) It included electrons
D) It explained nuclear structure D) It explained nuclear structure

The maximum oxidation shown by manages is_________?

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Your Answer:

+2 +2
+4 +4
+5 +5
+7 +7

The phenomenon in which radiations split matter into ions is called:

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Your Answer:

denaturing denaturing
ionization ionization
condensation condensation
atomization atomization

In water, Hydrogen is present ________by mass.

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Your Answer:

22% 22%
11.11% 11.11%
31.13% 31.13%
15.15% 15.15%

The alleles that are represented by lower case letters are:

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Your Answer:

hybrid allele hybrid allele
monohybrid allele monohybrid allele
dominant allele dominant allele
recessive allele recessive allele

Which of the following pairs correctly matches a disease and a pathogen causing it ?

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Your Answer:

A) Typhoid – Salmonella typhi A) Typhoid – Salmonella typhi
B) Pneumonia – Haemophilus pneumoniae B) Pneumonia – Haemophilus pneumoniae
C) Malaria – Ascaris lumbricoides C) Malaria – Ascaris lumbricoides
D) Ringworm – Entamoeba histolytica D) Ringworm – Entamoeba histolytica

Modern system of navigation satellites called ___________?

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Your Answer:

Inertia frames of reference Inertia frames of reference
Navstar Navstar
Proton Proton
None of these None of these

Beta particles ionize an atom_________________?

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Your Answer:

Due to the electrostatic force of attraction
Due to the electrostatic force of repulsion
Due to a direct collision Due to a direct collision
Due to the gravitational force Due to the gravitational force

SI unit of the coefficient of viscosity is___________________?

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Your Answer:

Kg.m.S-1 Kg.m.S-1
Kg m-1.S-1 Kg m-1.S-1
Kg.m.S Kg.m.S
Kg-1.m-1.S-1 Kg-1.m-1.S-1

The early stage human embryo distinctly possesses

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Your Answer:

A) gills A) gills
B) gill slits B) gill slits
C) external ear (pinna) C) external ear (pinna)
D) eyebrows. D) eyebrows.

Two spheres of masses $m$ and $M$ are in air. If they are immersed in water, the gravitational force between them:

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Your Answer:

Increases Increases
Decreases Decreases
Remains constant Remains constant
Becomes zero Becomes zero

Two fog droplets have radius 2:3 their terminal velocities are_______________?

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Your Answer:

4:06 4:06
4:09 4:09
2:09 2:09
4.3 4.3

Carbon dioxide or oxygen can move across the cell membrane by a process called

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Your Answer:

A) Reverse Osmosis A) Reverse Osmosis
B) Diffusion B) Diffusion
C) Transportation C) Transportation
D) Circulation (Q. No. 1 to 24): The question below consists of an Assertion (A) and a Reason (R). Use the following key to choose the appropriate answer.

The major dietary source of energy for heterotrophs is complex___________?

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Your Answer:

Protiens Protiens
Lipids Lipids
Carbohydrates Carbohydrates
Fatty acids Fatty acids

Occipital lobe receive and analyze the:

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Your Answer:

hearing information hearing information
visual information visual information
reading information reading information
none of above none of above

CuSO4 + Zn?ZnSO4+Cu is___________________?

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Your Answer:

Spontaneous reaction Spontaneous reaction
Non-spontaneous reaction Non-spontaneous reaction
Endothermic Endothermic
Exothermic Exothermic

The population growth curve becomes sigmoid (S-shaped) when:

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Your Answer:

Resources are unlimited Resources are unlimited
Resources are limiting Resources are limiting
Predation is high Predation is high
Competition is absent Competition is absent

The angiosperms and gymnosperms are classified as:

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Your Answer:

seed plants seed plants
corals corals
ferns ferns
mosses mosses

The skeletal muscles are also known as:

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Your Answer:

striated muscles striated muscles
impulsive muscles impulsive muscles
reflexive muscles reflexive muscles
adipose muscles adipose muscles

Calculate the temperature at which the KE of a gas molecule is double its value at $27^\circ C$.

1 Mark(s)

Your Answer:

$54^\circ C$ $54^\circ C$
$300^\circ C$ $300^\circ C$
$327^\circ C$ $327^\circ C$
$127^\circ C$ $127^\circ C$

The modulus of rigidity ($\eta$) relates to:

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Your Answer:

Change in volume Change in volume
Change in length Change in length
Change in shape Change in shape
Change in temperature Change in temperature

Species are formed in one step of reaction mechanism and used up in another step are called:

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Your Answer:

Catalyst Catalyst
Intermediate Intermediate
inhibitor inhibitor
activated complex activated complex

Which of the following acts as a thermal insulator in mammals?

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Your Answer:

skin skin
fat fat
lipids lipids
proteins proteins

Newspaper can be recycled again and again how many times ?

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Your Answer:

2 2
3 3
4 4
5 5

The electrons of the Scanning Electron Microscope are reflected through:

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Your Answer:

glass funnel glass funnel
specimen specimen
metal-coated surfaces metal-coated surfaces
vacuum chamber vacuum chamber

1st polar body is formed at which stage of oogenesis ?

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Your Answer:

A) 1st meiosis A) 1st meiosis
B) 2nd mitosis B) 2nd mitosis
C) 1st mitosis C) 1st mitosis
D) Differentiation D) Differentiation

Proboscis a storage sac is___________?

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Your Answer:

crop crop
grinding gizard grinding gizard
lung lung
a and b both a and b both

Which cichlids is native to lake in malawi in africa___________?

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Your Answer:

all cichlids all cichlids
dogtooth cichlids dogtooth cichlids
cyprinus carpio cyprinus carpio
silver carp silver carp

Echinoderm skeleton consists of series of calcium carbonate called__________?

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Your Answer:

ganglia ganglia
Ossicles Ossicles
villi villi
Bursae Bursae

In humans, the sex determination mechanism is:

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Your Answer:

XX-XY type XX-XY type
XX-XO type XX-XO type
ZZ-ZW type ZZ-ZW type
Haplo-diploid type Haplo-diploid type

Sickle cell anemia is a result of a point mutation where Glutamic acid is replaced by:

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Your Answer:

Serine Serine
Valine Valine
Proline Proline
Methionine Methionine

Exothermic reaction curve shows:

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Your Answer:

Products lower than reactants Products lower than reactants
Products higher Products higher
Same level Same level
No products No products

Phenotypic and genotypic ratio is similar in case of

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Your Answer:

A) complete dominance A) complete dominance
B) incomplete dominance B) incomplete dominance
C) over dominance C) over dominance
D) epistasis. D) epistasis.

Mary Mallon was a carrier of:

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Your Answer:

Typhoid Typhoid
Pneumonia Pneumonia
Cholera Cholera
Tuberculosis Tuberculosis

In a battery, the separation of charges sets up:

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Your Answer:

potential difference potential difference
current current
charges charges
resistance resistance

Muscle contraction mechanism:

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Your Answer:

Muscle shortening Muscle shortening
Filament sliding Filament sliding
Actin-myosin Actin-myosin
Contraction Contraction

Which leech have well developed sense___________?

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Your Answer:

hirudo medicinalis hirudo medicinalis
earthworm earthworm
fan worm fan worm
lung worm lung worm

The phenomenon of induction of induced current in one coil due to change of current in a neighboring coil is called:

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Your Answer:

flow of power in fuse flow of power in fuse
mutual induction mutual induction
speed of relative motion of coil speed of relative motion of coil
speed of relative motion of magnet speed of relative motion of magnet

In situ conservation means:

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Your Answer:

Zoo conservation Zoo conservation
Seed banks Seed banks
Natural habitat protection Natural habitat protection
Laboratory conservation Laboratory conservation

Chromosomes begin to assemble the structure in__________?

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Your Answer:

G2 G2
G1 G1
O phase O phase
all all

The earth absorb radiation in Visible range but emit radiation at the same rate in the:

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Your Answer:

Ultra voilet Ultra voilet
Gamma rays Gamma rays
Infrared Infrared
All of these All of these

A simple pendulum completes one vibration in 3 seconds. When g = 10 ms-2, its length will be:

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Your Answer:

1.5 m 1.5 m
2 m 2 m
3.2 m 3.2 m
2.28 m 2.28 m

The cofactor required for DNA Polymerase activity is:

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Your Answer:

$Ca^{2+}$ $Ca^{2+}$
$Mg^{2+}$ $Mg^{2+}$
$Cl^{-}$ $Cl^{-}$
$K^{+}$ $K^{+}$

The spontaneous emission of radiation by unstable nuclei is called:

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Your Answer:

positive radioactivity positive radioactivity
artificial radioactivity artificial radioactivity
natural radioactivity natural radioactivity
negative radioactivity negative radioactivity

Word pro meaning is__________?

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Your Answer:

before before
behinde behinde
common common
point point

Modern periodic table has been divided in ___________ blocks?

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Your Answer:

2 2
4 4
8 8
7 7

Which compound forms ions in solution?

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Your Answer:

A) Sugar A) Sugar
B) CO 2 B) CO 2
C) NaCl C) NaCl
D) CH 4 D) CH 4

Out of these gases which one is used in fire extinguishers

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Your Answer:

A) CO 2 A) CO 2
B) SO 2 B) SO 2
C) NO 2 C) NO 2
D) H 2 S D) H 2 S

Ribosomes are made up of:

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Your Answer:

DNA and protein DNA and protein
Lipid and protein Lipid and protein
RNA and protein RNA and protein
Carbohydrate and protein Carbohydrate and protein

If the mass of bob is increased 3 times then it's period:

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Your Answer:

increases increases
decreases 2 times decreases 2 times
remains same remains same
increases 4 times increases 4 times

Compounds that have the same molecular formula but a different arrangement of atoms in their molecules are called:

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Your Answer:

isotopes isotopes
isomers isomers
hydrocarbons hydrocarbons
organic compounds organic compounds

Which of the following major part of temperate forest in the world__________?

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Your Answer:

Angiosperms Angiosperms
Gymnosperms Gymnosperms
Bryophytes Bryophytes
Pteridophytes Pteridophytes

Ethyl chloride with nascent hydrogen produces_________________?

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Your Answer:

methane methane
ethane ethane
propane propane
butane butane

Ecology is the study of the relationship between the organism and their:

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Your Answer:

climate climate
weather weather
plants plants
environment environment

Giant sloth have color__________?

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Your Answer:

yellow yellow
light brown light brown
green green
white white

On dissolution of a firm, Bank overdraft is transferred to:

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Your Answer:

A) Cash Account A) Cash Account
B) Bank Account B) Bank Account
C) Realisation Account C) Realisation Account
D) Partners’ Capital Account D) Partners’ Capital Account

Which of the following is not transferred to Realisatsion Account ?

1 Mark(s)

Your Answer:

A) Balance of Cash Account A) Balance of Cash Account
B) Balance of Reserves B) Balance of Reserves
C) Balance of Profit & Loss Account C) Balance of Profit & Loss Account
D) All of the above D) All of the above

Michelson calculated the speed of light using the instruments______________?

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Your Answer:

spectrometer spectrometer
galvanometer galvanometer
interferometer interferometer
none of these none of these

The sensation of sound persists in our brain for about:

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Your Answer:

0.001s 0.001s
0.2s 0.2s
0.1s 0.1s
10s 10s

The epidermal tissues present in roots are responsible for:

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Your Answer:

respiration respiration
infusion infusion
lignin absorption lignin absorption
water absorption water absorption

Evaluating Your Answers

NEET UG Mock Test 13 : Question 1 of 70