In which of the following sport the turning of effect of force used

(a)

swimming

(b)

tennis

(c)

cycling

(d)

hockey

A & B are two objects with masses 100 kg & 75 kg respectively, then _______

(a)

both will have same inertia

(b)

B will have more inertia

(c)

A will have more inertia

(d)

both will have less inertia

The gravitational force of earth acting on a body of mass 1 kg is ___________

(a)

8.9 N

(b)

9.8 N

(c)

980 N

(d)

1 N

In a myopic eye, the image of the object is formed

(a)

behind the retina

(b)

on the retina

(c)

in front of the retina

(d)

on the blind spot

In spherical lenses, all distance are measured from

(a)

optic centre

(b)

principal focus

(c)

principal axis

(d)

centre of curvature

Cylindrical lens is used to correct

(a)

Myopia

(b)

Hypermetropia

(c)

Presbyopia

(d)

Astigmatism

If resistance of a wire is r ohms and wire is stretched to double its length, then what is its resistance?

(a)

r

(b)

2r

(c)

4r

(d)

r/2

Ultrasound waves compared to audible sound waves have.

(a)

Lower frequency and Shorter wavelength

(b)

Lower frequency and longer wavelength

(c)

higher frequency and longer wavelength

(d)

higher frequency and shorter wavelength

Man-made radioactivity is also known as ___________.

(a)

Induced radioactivity

(b)

Spontaneous radioactivity

(c)

Artificial radioactivity

(d)

a & c

Henry Becquerel discovered ________ in 1896

(a)

nucleus

(b)

atom

(c)

isotopes

(d)

radioactivity

Controlled chain reaction is seen in _________.

(a)

atom bombs

(b)

nuclear reactors

(c)

synchrotron

(d)

detectors

The volume occupied by 4.4 g of CO₂ at S.T.P

(a)

22.4 litre

(b)

2.24 litre

(c)

0.24 litre

(d)

0.1 litre

What is the mass of 12.044 x 10²³ number of O₂ molecules?

(a)

8 g

(b)

16 g

(c)

32 g

(d)

64 g

The weight of a molecule of the compound C₆₀H₁₂₂ is:

(a)

1.4 x 10^-21g

(b)

1.09 x 10^-21g

(c)

5.025 x 10²³g

(d)

16.023 x 10²³g

Neon shows zero electron affinity due to _____.

(a)

stable arrangement of neutrons

(b)

stable configuration of electrons

(c)

reduced size

(d)

increased density

The first period of the modern periodic table has ________ elements.

(a)

1

(b)

2

(c)

3

(d)

8

A 25% alcohol solution means 

(a)

25 ml alcohol in 100 ml of water

(b)

25 ml alcohol in 25 ml of water

(c)

25 ml alcohol in 75 ml of water

(d)

75 ml alcohol in 25 ml of water

Sugar and copper sulphate crystals are dissolved in water. The solution is called as ________.

(a)

binary

(b)

trinary

(c)

ternary

(d)

quartenary

Solubility of KNO₃ ____________ with the increases in temperature.

(a)

increases

(b)

decreases

(c)

remains constant

(d)

None of these

The pH of a solution is 3. Its [OH^–] concentration is

(a)

1 × 10^–3 M

(b)

3M

(c)

1 × 10^–11 M

(d)

11 M

Pb(NO₃)₂ + 2KI ⟶ Pbl₂ + 2KNO₃ is a ______________ reaction

(a)

neutralization

(b)

Precipitation

(c)

decomposition

(d)

Combustion

Which of the unique feature (s) of Carbon enables it to form a large number of compounds?

(a)

catenation

(b)

covalency

(c)

tetra valency

(d)

both (a) and (c)

Which is formed during anaerobic respiration

(a)

Carbohydrate

(b)

Ethyl alcohol

(c)

Acetyl CoA

(d)

Pyruvate

Mammals are ______________ animals.

(a)

Cold blooded

(b)

Warm blooded

(c)

Poikilothermic

(d)

All the above

PNSis formed of _______pairs of cranial nerves in Rabbit

(a)

10

(b)

12

(c)

14

(d)

16

The wall of human heart is made of

(a)

Endocardium

(b)

Epicardium

(c)

Myocardium

(d)

All of the above

Water from soil enters the root hairs due to___________

(a)

capillary Action

(b)

capillary Action

(c)

adhesion

(d)

osmosis

Which nervous band connects the two cerebral hemispheres of brain?

(a)

thalamus

(b)

hypothalamus

(c)

corpus callosum

(d)

pons

_____ is an inflammation of the meninges.

(a)

Meningitis

(b)

Myelin sheath

(c)

Piameter

(d)

Arachnoid membrane

LH is secreted by

(a)

Adrenal gland

(b)

Thyroid gland

(c)

Anterior pituitary

(d)

Hypothalamus.

_______ is the only planet in the Goldilock zone for life.

(a)

Mercury

(b)

Earth

(c)

Mars

(d)

Venus

World AIDS Day is observed on ______________

(a)

1^st December

(b)

15^th December

(c)

24^th November

(d)

1^st May 

An inexhaustible resources is

(a)

wind power

(b)

soil fertility

(c)

wild life

(d)

all of the above