Newton’s III law is applicable

(a)

for a body is at rest

(b)

for a body in motion

(c)

both a & b

(d)

only for bodies with equal masses

The resistance of a body to change its state of rest is called

(a)

inertia of rest

(b)

inertia of motion

(c)

momentum

(d)

inertia of direction

If V_B, V_G, V_R be the velocity of blue, green and red light respectively in a glass prism, then which of the following statement gives the correct relation?

(a)

V_B = V_G = V_R

(b)

V_B > V_G >V_R

(c)

V_B < V_G < V_R

(d)

V_B < V_G > V_R

The group of rays is ______

(a)

lines

(b)

dots

(c)

beam

(d)

none of these

Change in volume of a solid during heating is

(a)

Linear expansion

(b)

Superficial expansion

(c)

Cubical expansion

(d)

apparent expansion

The resistance of a conductor directly proportional to

(a)

 Length

(b)

Area

(c)

Volt

(d)

Current

Which of following relation is correct for voltage, work done and charge?

(a)

V = W x Q

(b)

W = V x Q

(c)

V = Q 1W

(d)

W = V / Q

Which options show the correct direction of current?

(a)

(b)

(c)

(d)

The pitch of sound depends on

(a)

frequency

(b)

amplitude

(c)

both

(d)

none

_____________ aprons are used to protect us from gamma radiations

(a)

Lead oxide

(b)

Iron

(c)

Lead

(d)

Aluminium

Energy generation in stars is due to

(a)

chemical reaction

(b)

fission

(c)

fusion of light nuclei

(d)

Fusion of heavy nuclei

Complete the reaction: ₉₀Th²³⁴⟶ ₉₁Pa²³⁴+ ?

(a)

₂He⁴

(b)

_-1e⁰

(c)

₁e⁰

(d)

₁n⁰

__________ is fissionable by neutrons of all energies.

(a)

U²³⁵

(b)

U²³⁸

(c)

U²³⁹

(d)

Np²³⁹

The moderator used in nuclear reactor is 

(a)

Cadmium

(b)

Boron oxide

(c)

Heavy water

(d)

Uranium

The volume occupied by 1 mole of a diatomic gas at S.T.P is

(a)

11.2 liters

(b)

5.6 liters

(c)

22.4 liters

(d)

44.8 liters

Mass of an electron is

(a)

9.1083 x 10^-31kg

(b)

9.1083 x 10^-24kg

(c)

1.67262 x 10^-27kg

(d)

1.67 x 10^-24gm

Which of the following correctly represent 360 g of water
(i) 2 moles of H₂O
(ii) 20 moles of water
(iii) 6.023 x 10²³ molecules of water
(iv) 1.2046 x 10²⁴ molecules of water

(a)

(i)

(b)

(i) and (iv)

(c)

(ii) and (iii)

(d)

(ii) and (iv)

The volume occupied by 4.4 g of CO₂ at STP is:

(a)

22.4l

(b)

2.24l

(c)

0.224l

(d)

0.1l

Modern periodic table contains ______ groups.

(a)

9

(b)

32

(c)

18

(d)

64

Blister copper contains _________

(a)

50% pure copper

(b)

99% pure copper and 1% impurities

(c)

98% pure copper and 2% impurities

(d)

75% pure copper and 25% impurities

Photolysis is a decomposition reaction caused by __________

(a)

heat

(b)

electricity

(c)

light

(d)

mechanical energy

Decomposition reactions are brought about by ________

(a)

heat

(b)

light

(c)

electricity

(d)

all the above

The secondary suffix used in IUPAC nomenclature of an aldehyde is ____

(a)

- ol

(b)

– oic acid

(c)

– al

(d)

- one

General molecular formula of alkynes is ___________.

(a)

CnH_2n+2

(b)

CnH₂n

(c)

CnH_2-n-2

(d)

CnH2_n+1

Kreb’s cycle takes place in

(a)

chloroplast

(b)

mitochondrial matrix

(c)

stomata

(d)

inner mitochondrial membrane

Exarch and tetrarch xylem are a feature of ___________.

(a)

dicot stem

(b)

dicot leaf

(c)

monocot root

(d)

dicot root

Dental formula of rabbit is______

(a)

\(\cfrac { 2033 }{ 1023 } \)

(b)

\(\cfrac { 2003 }{ 1003 } \)

(c)

\(\cfrac { 2030 }{ 1020 } \)

(d)

\(\cfrac { 2023 }{ 1220 } \)

Which is the correct sequence of  blood flow

(a)

Ventricle → atrium → vein → arteries

(b)

Atrium → ventricle → veins → arteries

(c)

Atrium → ventricle → arteries → vein

(d)

Ventricles → vein → atrium → arteries

Transpiration does not___________

(a)

help in ascent of sap

(b)

help in keeping cells turgid

(c)

helps in cooling leaves

(d)

helps in translocation

Vomiting centre is located in

(a)

medulla oblongata

(b)

stomach

(c)

cerebrum

(d)

hypothalamus

The plasma membrane of axon is called _____

(a)

axolemma

(b)

axoplasm

(c)

myelin sheath

(d)

schwann cells

Male gametes in angiosperms are formed by the division of ___________

(a)

Generative cell

(b)

Vegetative cell

(c)

Microspore mother cell

(d)

Microspore

Paleontologists deal with

(a)

Embryological evidences

(b)

Fossil evidences

(c)

Vestigial organ evidences

(d)

All the above

World 'No Tobacco Day' is observed on

(a)

May 31

(b)

June 6

(c)

April 22

(d)

October 2

Soil erosion can be prevented by

(a)

deforestation

(b)

afforestation

(c)

over growing

(d)

removal of vegetation