NTS Mock Test 3 - PLS Academy

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NAT NTS Mock Test 3

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1 / 60

Category: Physics Ch 2 Class 11

A vector having magnitude equal to one is called

Position vector

Unit vector

Null vector

None of these

2 / 60

Category: Chemistry Ch 6 Class 11

Second Ionization energy of M atom

Higher than first ionization energy

Lower than first ionization energy

Very low

None of these

3 / 60

Category: Chemistry Ch 16 Class 12

Measuring ‘Biochemical Oxygen Demand’ (ROD) is a method used for:

Estimating the amount of organic matter in sewage water for determining quality

Measuring the activity of Saccharomyces cerevisiae in producing curd on a commercial scale.

Working out the efficiency of RBCs, about their capacity to carry oxygen.

Working out the efficiency of oil driven automobile engines.

4 / 60

Category: Physics Ch 13 Class 12

Conductivity equals:

AR/L

1/AR

1/p

Both b and c

5 / 60

Category: Physics Ch 14 Class 12

Magnetic effect of electric current was first discovered by

Faraday

Oersted

Henry

None of these

6 / 60

Category: Biology Ch 10 Class 11

All the animals of the grade radiata are

Diploblastic

Triploblastic

Both

Unicellular

7 / 60

Category: Biology Ch 5 Class 12

Plasticity of cell wall increases during

Cell maturation

Cell elongation

Cell differentiation

Cell division

8 / 60

Category: Chemistry Ch 1 Class 11

Chemical properties of an atom depends upon number of

Electron

Neutrons

Protons

Nucleons

9 / 60

Category: Physics Ch 12 Class 12

The electric field of a point charge is in shape.

Spherical

Spherical symmetrical

Plane

Cylindrical

10 / 60

Category: Physics Ch 12 Class 12

Unit of capacitance is:

Farad

Coulomb

Volt

Ohm

11 / 60

Category: Physics Ch 12 Class 12

Unit of electric field is:

N/C

Weber/sec

Volt/C

Joule/sec

12 / 60

Category: Biology Ch 1 Class 12

Sperms of liverworts, mosses, ferns move towards archegonia, in response to uncleic acid released by the ovum. This is an example of:

Chemotropic movement

Chemotactic movement.

Chemosastic movement

. Haptonastic movement.

13 / 60

Category: Chemistry Ch 4 Class 11

if the crystal structure of Graphite is Hexagonal, the crystal system of Diamond will be:

Tetrahedral

Pyramidal

Cubic

Pentagonal

14 / 60

Category: Biology Ch 13 Class 11

Functional units of lungs are called

Alveoli

Air sacs

Parabronchi

None of these

15 / 60

Category: Physics Ch 10 Class 11

A convex lens of focal length ‘f1’and a concave lens of focal length ‘f2’ are placed in contact. The focal
length of the combination is

f2 + f1

f2 – f1

f1f2/f2+f1

f1f2/f1-f2

16 / 60

Category: Physics Ch 10 Class 11

The objective of a microscope is a lens of

large focal length and converging properties

moderate focal length and diverging properties

very short focal length and converging properties

moderate focal length and converging properties

17 / 60

Category: Biology Ch 3 Class 12

Chlorosis, i.e., yellowish hue on the leaves results from

Accumulation of toxic waste products in leaves.

Deficiency of chlorophyll.

Short supplies of mineral nutrients in the soil

All of these

18 / 60

Category: Chemistry Ch 7 Class 11

Which of following is NOT state variable of thermodynamics?

Entropy

Internal energy

Volume

Density

19 / 60

Category: Physics Ch 9 Class 11

Sky appears blue due to?

Light Interference

Light diffraction

Light scattering

Light polarization

20 / 60

Category: Biology Ch 7 Class 11

Of the following which one has glassy shells?

Radiolarians

Forams

Both of these

None of these

21 / 60

Category: Chemistry Ch 3 Class 11

Statement of Charles Law:

V is directly proportional to P

V is directly proportional to T

) P is inversely proportional to V

d) All of these

22 / 60

Category: Chemistry Ch 5 Class 12

The halogens are known as:

Salt formers

Rare earth elements

Alkali metals

Noble gases

23 / 60

Category: Biology Ch 9 Class 11

Sporophyte is

Monoploid

Haploid

Diploid

Polyploidy

24 / 60

Category: Physics Ch 20 Class 12

The wavelength of X-rays is:

10^-10

10^-8

10^-4

10^-12

25 / 60

Category: Biology Ch 11 Class 12

The actual location or place where an organism lives is

Environment

Biosphere

Biomass

Habitat

26 / 60

Category: Physics Ch 5 Class 11

Js is the unit of:

linear momentum

Angular momentum

Energy

Mass

27 / 60

Category: Chemistry Ch 9 Class 12

The hybridization of benzene is:

sp3

sp2

None of these

28 / 60

Category: Chemistry Ch 5 Class 11

Which orbitals always possess same energy:

Hybrid orbitals

Degenerate orbitals

None of these

Both a and b

29 / 60

Category: Biology Ch 6 Class 11

Some bacteria ranging occasionally a size of 500 ?m in length are

Escherichia coli

Spirochetes

Mycoplasma

Epulopiscuim

30 / 60

Category: Chemistry Ch 15 Class 12

Which in not woody raw material

Poplar

) Hard wood

Fir

Rag

31 / 60

Category: Biology Ch 8 Class 11

Constricting ring around nematode is formed by

Arthrobotrys

Pleurotus ostreatus

Mildews

All of these

32 / 60

Category: Biology Ch 8 Class 11

Which one of the following is different from all the rest regarding the number of cells inits body?

Rusts

Mushrooms

Molds

Yeasts

33 / 60

Category: Biology Ch 11 Class 11

Photosynthesis is process in which ________ compounds of carbon (CO2) and hydrogen (H2O) are reduced to carbohydrate like (glucose) using light energy.

Organic

Energy rich

Energy poor

Reduced

34 / 60

Category: Biology Ch 12 Class 12

Development of bark in plants and skin in animals is a method for

Providing support

Protection from enemies

Reducing water loss

Helping in food production

35 / 60

Category: Physics Ch 3 Class 11

Newton’s first law Is applicable on:

I) Body In motion II) Body In rest

I only

II only

Neither a nor b

Both a and b

36 / 60

Category: Chemistry Ch 1 Class 12

Metals usually produce hydrogen gas with acids. Which of the following produces hydrogen gas with NaOH?

37 / 60

Category: Biology Ch 9 Class 12

DNA analysis is done to

Diagnose viral infections

Identify criminals

Determine evolution

All of these

38 / 60

Category: Biology Ch 12 Class 11

Puccinia is a parasitic:

Plant

Fungus

Animal

Algae

39 / 60

Category: Biology Ch 12 Class 11

Midgut in cockroach is a short narrow tube called

Hepatic caeca

Gizzard

Stomach

Rectum

40 / 60

Category: Biology Ch 4 Class 12

Seeds are dormant in conditions of

Water scarcity

Low temperature

Harsh winters

All of these

41 / 60

Category: Chemistry Ch 4 Class 12

Nitrogen has oxides:

Several

42 / 60

Category: Physics Ch 21 Class 12

Which of the following gives the correct expression of Decay Constant?

43 / 60

Category: Physics Ch 16 Class 12

Wavelength of X-rays is of the order of?

Centimeter

Micron

Angstrom (10^-6 m)

Meter

44 / 60

Category: Physics Ch 4 Class 11

What Is the power of a body if 1 N force is acted upon a body have a constant velocity of 10ms-1?

0.5

45 / 60

Category: Physics Ch 4 Class 11

In which of the following case(s) the work done be positive?

Object moves in the direction of Force

Object moves in opposite direction of Force

Object moves at Right Angle to the Force

Both a and c

46 / 60

Category: Biology Ch 13 Class 12

A lullaby is a song. No song is prose. Some proses are epics.

Conclusions:

I. Some proses are songs.

II. Some epics are lullabies.

III. Some songs are lullabies.

Which of the following is most appropriate in the above case?

a) Only II

b) Only III

c) I, II, and III are inappropriate

none

47 / 60

Category: Chemistry Ch 9 Class 11

An ideal solvent dissolves maximum solute at?

Boiling point

At room temperature

Saturation point

At Freezing point

48 / 60

Category: Physics Ch 7 Class 11

What is the time period of sin(wt) ?

2πf

2πt

Both a and b

None of these

49 / 60

Category: Physics Ch 7 Class 11

If the length of pendulum is increased 4 times, the new time period will be?

50 / 60

Category: Chemistry Ch 2 Class 11

The process of changing a solid directly into gas upon heating is known as:

Sublimation

Liquefaction

Condensation

None of these

51 / 60

Category: Chemistry Ch 3 Class 12

Which one is not the type of Boric Acid?

Ortho boric Acid

Nano boric acid

Meta boric Acid

Pyro boric acid

52 / 60

Category: Physics Ch 19 Class 12

If temperature on Kelvin scale Is reduced to half, what would be the effect on the energy of radiations?

Increase 8 times

Decrease 8 times

Increase 16 times

Decrease 16 times

53 / 60

Category: Physics Ch 18 Class 12

A transistor cannot be used as

As a Switch

As an Amplifier

As a Power Source

As an inverter

54 / 60

Category: Biology Ch 10 Class 12

Adaptations that an organism acquires by its own actions are

Heritable

Not heritable

Can be made heritable through some modifications

Both heritable and not heritable

55 / 60

Category: Biology Ch 8 Class 12

In question number 2 what will be frequency of dwarf plant in F2

0.25

0.5

0.75

56 / 60

Category: Chemistry Ch 11 Class 12

Which of the following is not soluble In alcohol?

Resins and varnishes

Soaps and varnishes

Rubbers and plastics

Dyes and drug'

57 / 60

Category: Chemistry Ch 13 Class 12

Amino acid is usually known by a

Common name

IUPAC name

Both a and b

None of these

58 / 60

Category: Chemistry Ch 10 Class 11

In Lead-Acid battery, product formed at anode during discharging is

PbSO4

SO2

SO4

59 / 60

Category: Chemistry Ch 10 Class 11

Highest oxidation state of chlorine Is

-7

−1

60 / 60

Category: Chemistry Ch 8 Class 12

The IUPAC name of the compound having structural formula CH3 — CH(OH) —COON is:

2-hydroxy propanoic acid

Lactic acid

a-hydroxy propanoic acid

Both a and b

Your score is

The average score is 40%

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