Everyday Science Mock Test 12

The cell membrane is composed of:

1 Mark(s)

Your Answer:

Lipids and proteins Lipids and proteins
Only lipids Only lipids
Only proteins Only proteins
Only carbohydrates Only carbohydrates

If mammalian ovum fails to get fertilised, which one of the following is unlikely ?

1 Mark(s)

Your Answer:

A) Corpus luteum will distintegrate. A) Corpus luteum will distintegrate.
B) Progesterone secretion rapidly declines.
C) Estrogen secretion increases. C) Estrogen secretion increases.
D) Primary follicle starts developing. D) Primary follicle starts developing.

Stomata are mainly present in:

1 Mark(s)

Your Answer:

Lower surface of leaves Lower surface of leaves
Upper surface only Upper surface only
Stems only Stems only
Roots Roots

Biological organization is_____________?

1 Mark(s)

Your Answer:

simple simple
advance advance
complex complex
highly complex highly complex

The largest latitude circle on earth is ________?

1 Mark(s)

Your Answer:

Arctic circle Arctic circle
Tropic of cancer Tropic of cancer
Tropic of Capricorn Tropic of Capricorn
The Equator The Equator

The sample may be solid, liquid, gas or a _______ in qualitative analysis.

1 Mark(s)

Your Answer:

Mixture Mixture
Compound Compound
Differentiate Differentiate
Substance Substance

Bacterial pili are used for:

1 Mark(s)

Your Answer:

Swimming Swimming
Feeding Feeding
Attachment and conjugation Attachment and conjugation
Photosynthesis Photosynthesis

An early proponent of evolution is___________?

1 Mark(s)

Your Answer:

lamarck lamarck
Erasmus Darwin Erasmus Darwin
charles darwin charles darwin
linne linne

By using electroscope, if the body is negatively charged then due to electrostatic induction, then on the leaves there will be appear:

1 Mark(s)

Your Answer:

both positive and negative charges both positive and negative charges
negative charge negative charge
positive charge positive charge
no charge no charge

The process of genetic recombination in ascomycota is called __________?

1 Mark(s)

Your Answer:

heterokaryosis heterokaryosis
parasexuality parasexuality
ascocarps ascocarps
a and b both a and b both

Einstein’s photoelectric equation is given by_______________?

1 Mark(s)

Your Answer:

1/2 mvmax2=hf+Φ 1/2 mvmax2=hf+Φ
1/2 mvmax2-hf = Φ 1/2 mvmax2-hf = Φ
1/2 mvmax2=hf-Φ 1/2 mvmax2=hf-Φ
All of above are correct All of above are correct

Several secondary division in leeches is__________?

1 Mark(s)

Your Answer:

annuli annuli
setae setae
coelom coelom
bodywall bodywall

Charles darwin as naturalist mapping expedition_________?

1 Mark(s)

Your Answer:

5 years 5 years
4 years 4 years
3 years 3 years
6 years 6 years

The Greek letter used for summation is:

1 Mark(s)

Your Answer:

sigma(&sigma); sigma(&sigma);
μ μ
π π
ω ω

: The Thermoreceptors respond to …..

1 Mark(s)

Your Answer:

Light Light
Cold Cold
Warmth Warmth
B and C B and C

A body cools from $60^\circ C$ to $50^\circ C$ in 10 mins. If room temp is $25^\circ C$, time taken to cool from $50^\circ C$ to $40^\circ C$ is:

1 Mark(s)

Your Answer:

Less than 10 mins Less than 10 mins
10 mins 10 mins
More than 10 mins More than 10 mins
Depends on mass Depends on mass

The radiation that does not change its direction inside the magnetic field is:

1 Mark(s)

Your Answer:

alpha alpha
beta beta
gamma gamma
x-ray x-ray

Which teeth are used to rip and tear food?

1 Mark(s)

Your Answer:

Enamel Enamel
Canines Canines
Incisors Incisors
None None

Which three conditions are necessary for seed germination?

1 Mark(s)

Your Answer:

Water, Light, and Humidity Water, Light, and Humidity
Water, Nutrients, and Darkness Water, Nutrients, and Darkness
Water, Carbon Dioxide, and Pressure Water, Carbon Dioxide, and Pressure
Water, Oxygen, and Proper Temperature Water, Oxygen, and Proper Temperature

Progressive multifocal leukoencephalopathy is caused by__________?

1 Mark(s)

Your Answer:

HIV HIV
CMV CMV
JC Virus JC Virus
Prions Prions

Dolomite is an ore of which metal?

1 Mark(s)

Your Answer:

Potassium Potassium
Sodium Sodium
Magnesium Magnesium
Barium Answer Barium Answer

Work done to rotate a dipole from stable to unstable equilibrium is:

1 Mark(s)

Your Answer:

$pE$ $pE$
Zero Zero
$2pE$ $2pE$
$pE/2$ $pE/2$

The cells in which chromosomes are in pairs are classified as:

1 Mark(s)

Your Answer:

bud cells bud cells
benign cells benign cells
haploid cells haploid cells
diploid cells diploid cells

Percentage of argon in the air is:

1 Mark(s)

Your Answer:

0.78 0.78
0.21 0.21
0.0093 0.0093
0.0004 0.0004

Commercially concentrated HCl is:

1 Mark(s)

Your Answer:

0.4 0.4
0.5 0.5
0.37 0.37
0.8 0.8

10^-3 second is called as _____?

1 Mark(s)

Your Answer:

Millisecond Millisecond
Microsecond Microsecond
Nanosecond Nanosecond
Picosecond Picosecond

Intensity level of threshold of pain is: _____________?

1 Mark(s)

Your Answer:

60 db 60 db
80 db 80 db
100 db 100 db
120 db 120 db

Neogene from era 23.03 million years ago to__________?

1 Mark(s)

Your Answer:

2.6 million years ago 2.6 million years ago
2.5 million years ago 2.5 million years ago
3 million years ago 3 million years ago
4 million years ago 4 million years ago

The gametophyte is an inconspicuous and which generation __________?

1 Mark(s)

Your Answer:

Haploid Haploid
Diploid Diploid
Triploid Triploid
Tetraploid Tetraploid

Reptiles are generally considered_________ intelligent then mammals and birds?

1 Mark(s)

Your Answer:

More More
Equal Equal
Less Less
None of these None of these

The mean value of AC over a full cycle is:

1 Mark(s)

Your Answer:

Zero Zero
$I_0$ $I_0$
$I_{rms}$ $I_{rms}$
$I_0/2$ $I_0/2$

Ozone layer thickness is measured in____________?

1 Mark(s)

Your Answer:

Metre Metre
Joule Joule
Pounds Pounds
Dobson Dobson

PCR involves three main temperature steps:

1 Mark(s)

Your Answer:

Denaturation, annealing, extension Denaturation, annealing, extension
Heating only Heating only
Cooling only Cooling only
One temperature One temperature

Negatively charged ions are called:

1 Mark(s)

Your Answer:

cations cations
anions anions
ion ion
none of above none of above

Fruit plants are mostly pollinated by _____?

1 Mark(s)

Your Answer:

Insects Insects
Water Water
Animals Animals
Sunlight Sunlight

The bacteria which carries the lactic acid fermentation is:

1 Mark(s)

Your Answer:

lactobacillus lactobacillus
lactobacillus cerevisiae lactobacillus cerevisiae
Wilmot cerevisiae Wilmot cerevisiae
saccharomyces cerevisiae saccharomyces cerevisiae

A small magnetically sensitive, flexible plastic wafer housed in a plastic case is called:

1 Mark(s)

Your Answer:

audio cassette audio cassette
floppy disk floppy disk
hard disk hard disk
compact disc compact disc

Which of the labelled parts in the transverse section of tomato fruit, is/are diploid?

1 Mark(s)

Your Answer:

A) X A) X
B) Y B) Y
C) Both X and Y C) Both X and Y
D) None of these D) None of these

Nuclei which do not emit radiations naturally are called:

1 Mark(s)

Your Answer:

unstable nuclei unstable nuclei
stable nuclei stable nuclei
positive nuclei positive nuclei
negative nuclei negative nuclei

Why do non-green parts of a leaf not produce starch?

1 Mark(s)

Your Answer:

A) They do not get water. A) They do not get water.
B) They do not have chlorophyll. B) They do not have chlorophyll.
C) They are too small. C) They are too small.
D) They do not get air. D) They do not get air.

Study of fungi is called __________?

1 Mark(s)

Your Answer:

mycology mycology
biology biology
physiology physiology
ecology ecology

Triple fusion in Capsella bursa pastoris is fusion of male gamete with

1 Mark(s)

Your Answer:

A) egg A) egg
B) synergid B) synergid
C) secondary nucleus C) secondary nucleus
D) antipodal. D) antipodal.

Coenzymes are:

1 Mark(s)

Your Answer:

Proteins Proteins
Non-protein organic molecules Non-protein organic molecules
Inorganic ions Inorganic ions
Substrates Substrates

What is the symbol of the element Tungsten?

1 Mark(s)

Your Answer:

A) Tu A) Tu
B) W B) W
C) Ta C) Ta
D) Tw D) Tw

Solder melting point is:

1 Mark(s)

Your Answer:

Above 500°C Above 500°C
Below 300°C Below 300°C
Around 800°C Around 800°C
Above 1000°C Above 1000°C

To move around the Earth, a satellite requires:

1 Mark(s)

Your Answer:

centrifugal force centrifugal force
centripetal force centripetal force
dynamic force dynamic force
translatory force translatory force

People of old age have trouble hearing certain frequencies of sound. Which range of frequencies is mostly heard by these people? The tin can is cut open from its bottom and a rubber sheet is stretched to cover it. A small mirror is glued to the rubber sheet. What would happen to the circular spot of light on the wall when the student speaks into the open end of the tin can?

1 Mark(s)

Your Answer:

A) The sound produced vibrates the rubber diaphragm, which causes the movement of the light spot on the wall.
B) The sound produced vibrates the surface of the mirror, which causes a change in the color of the light spot on the wall.
C) The sound produced vibrates the rubber diaphragm, which causes the light spot to appear dim due to the scattering of light.
D) The sound produced vibrates the walls of the tin can, which causes the light spot to appear diffused due to the scattering of light.

A sensitive galvanometer gives full-scale deflection with 100 mV. If the resistance of the galvanometer is 50? the maximum current that can flow through safely is__________________?

1 Mark(s)

Your Answer:

2.0 mA 2.0 mA
20 mA 20 mA
200 mA 200 mA
0.2 mA 0.2 mA

Daughter chromosomes move to the pole of cell at the end of__________?

1 Mark(s)

Your Answer:

anaphase anaphase
metaphase metaphase
telophase telophase
G phase G phase

A Blue pigment in cynobacteria is__________?

1 Mark(s)

Your Answer:

phycocyanine phycocyanine
phycobilins phycobilins
stigma stigma
cytoplasm cytoplasm

Quantum Mechanics is the domain of physics that deals with:

1 Mark(s)

Your Answer:

Astronomical phenomena Astronomical phenomena
Microscopic phenomena Microscopic phenomena
Terrestrial phenomena Terrestrial phenomena
Static phenomena Static phenomena

Transposons are:

1 Mark(s)

Your Answer:

Fixed sequences Fixed sequences
Mobile DNA elements Mobile DNA elements
Proteins Proteins
Organelles Organelles

A body of mass 1 kg is lifted through a height of 1 m. The energy possessed in the body will be: (consider g = 10 ms^-2).

1 Mark(s)

Your Answer:

1 J 1 J
10 Joule 10 Joule
100 Joule 100 Joule
1000 Joule 1000 Joule

Among the following, which group of food protects us from many diseases?

1 Mark(s)

Your Answer:

Vitamins Vitamins
Proteins Proteins
Fats Fats
Carbohydrates Carbohydrates

Which of the following is an example of a chemical reaction?

1 Mark(s)

Your Answer:

Water freezing into ice Water freezing into ice
Sand settling to the bottom of a pool Sand settling to the bottom of a pool
Leaves changing colors in the fall Leaves changing colors in the fall
A rock rolling down a hill A rock rolling down a hill

Co evolution occurred by___________?

1 Mark(s)

Your Answer:

natural selection natural selection
artificial selection artificial selection
common selection common selection
All All

Who invented bifocal eyeglasses?

1 Mark(s)

Your Answer:

Ibn-e-Haitem Ibn-e-Haitem
Benjamin Franklin Benjamin Franklin
Archemedes Archemedes
None None

Hydrogenolysis results in the formation of________________?

1 Mark(s)

Your Answer:

alkane alkane
alkene alkene
alkyne alkyne
aldehydes aldehydes

On ________ which date will the conjunction of Venus and Saturn occur?

1 Mark(s)

Your Answer:

January 20 January 20
January 22 January 22
January 23 January 23
January 24 January 24

The process in which ribosome reads the sequence carried by mRNA and joins amino acids to form a protein is called:

1 Mark(s)

Your Answer:

segregation segregation
transcription transcription
denomination denomination
translation translation

Which of the following ocean is the most polluted ocean of the world?

1 Mark(s)

Your Answer:

Indian Ocean Indian Ocean
North Pacific Ocean North Pacific Ocean
Arctic Ocean Arctic Ocean
None of the above None of the above

Evaluating Your Answers

Everyday Science Mock Test 12 : Question 1 of 61