One kilogram force equals to

(a)

9.8 dyne

(b)

9.8 × 10⁴ N

(c)

98 × 10⁴ dyne

(d)

980 dyne

______ deals with the bodies which are at rest under the action of forces.

(a)

Statics

(b)

Kinematics

(c)

Dynamics

(d)

Mechanics

A force is applied by direct physical contact between two bodies is

(a)

Contact force

(b)

Non - contact force

(c)

Balanced force

(d)

Unbalanced force

SI unit of impulse is

(a)

Ns

(b)

Ns²

(c)

kg ms^-2

(d)

kg m²s^-2

Which of the following lens would you prefer to use while reading small letters found in a dictionary?

(a)

A convex lens of focal length 5 cm

(b)

A concave lens of focal length 5 cm

(c)

A convex lens of focal length 10 cm

(d)

A concave lens of focal length 10 cm

The velocity of light is _______

(a)

3 x 10^-8 ms^-1

(b)

3 x 10⁸  ms^-1

(c)

3 x 10⁸ km s^-1

(d)

3 x 10^-8 km s^-1

The image formation by spherical lenses is due to the phenomenon of

(a)

reflection

(b)

refraction

(c)

interference

(d)

dispersion

As compare to single lens, compound microscope gives ______ magnification

(a)

Smaller

(b)

Greater

(c)

No

(d)

Equal

SI unit of temperature is ______

(a)

K

(b)

°C

(c)

/°C

(d)

⁰F

In a simple circuit, why does the bulb glow when you close the switch?

(a)

The switch produces electricity

(b)

Closing the switch completes the circuit.

(c)

Closing the switch breaks the circuit.

(d)

The bulb is getting charged.

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

The sound waves are reflected from an obstacle into the same medium from which they were incident. Which of the following changes?

(a)

speed

(b)

frequency

(c)

wavelength

(d)

none of these

The velocity of sound is affected by

(a)

temperature

(b)

density

(c)

pressure

(d)

all the above

Sound waves do not travel through.

(a)

vacuum

(b)

solid

(c)

liquid

(d)

gases

_____________ aprons are used to protect us from gamma radiations

(a)

Lead oxide

(b)

Iron

(c)

Lead

(d)

Aluminium

Which of the following is used to detect the presence of block in blood vessels.

(a)

₁₅P³¹

(b)

₁₅P³²

(c)

₂₆Fe⁵⁹

(d)

₁₁Na²⁴

Graphite is used as a _________ in nuclear reactors.

(a)

moderator

(b)

coolant

(c)

detector

(d)

fuel

Which of the following represents 1 amu?

(a)

Mass of a C – 12 atom

(b)

Mass of a hydrogen atom

(c)

1/12^th of the mass of a C – 12 atom

(d)

Mass of O – 16 atom

What mass of hydrogen and oxygen will be produced on complete electrolysis of 18 g of water

(a)

2 g hydrogen and 32 g oxygen

(b)

2 g hydrogen and 16 g oxygen

(c)

4 g hydrogen and 32 g oxygen

(d)

4 g hydrogen and 14 g oxygen

_____ is a relative periodic property.

(a)

atomic radii

(b)

ionic radii

(c)

electron affinity

(d)

electronegativity

The acid which makes iron passive is _______________

(a)

Conc. HCl

(b)

Cone. H₂SO₄

(c)

Cone. HNO₃

(d)

Cone. HF

The carbon content in wrought iron is _________

(a)

0.25 - 2%

(b)

0.25 - 17%

(c)

2 - 3.5%

(d)

3 - 4.5%

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

Which of the following is not an “element + element → compound” type reaction?

(a)

C_(s) + O_2(g) → CO_2(g)

(b)

2K_(s) + Br_2(l) → 2KBr_(s)

(c)

2CO_(g) + O_2(g) → 2CO_2(g)

(d)

4Fe_(s) + 3O_2(g) → 2Fe₂O_3(s)

TFM in soaps represents ___________ content in soap

(a)

mineral

(b)

vitamin

(c)

fatty acid

(d)

carbohydrate

The segments of leech are known as

(a)

Metameres (somites)

(b)

Proglottids

(c)

Strobila

(d)

All the above

Which of the following process requires energy?

(a)

Active transport

(b)

Diffusion

(c)

Osmosis

(d)

All of them

Which nervous band connects the two cerebral hemispheres of brain?

(a)

thalamus

(b)

hypothalamus

(c)

corpus callosum

(d)

pons

Which organ acts as both exocrine gland as well as endocrine gland

(a)

Pancreas

(b)

Kidney

(c)

Liver

(d)

Lungs

Estrogen is secreted by

(a)

Anterior pituitary

(b)

Primary follicle

(c)

Graffian follicle

(d)

Graffian follicle

The loss of one or more chromosome in a ploidy is called_____________.

(a)

Tetraploidy

(b)

Aneuploidy

(c)

Euploidy

(d)

Polyploidy

Himgiri developed by hybridisation and selection for disease resistance against rust pathogens is a variety of _______.

(a)

chilli

(b)

maize

(c)

sugarcane

(d)

wheat

Which type of cancer affects lymph nodes and spleen?

(a)

Carcinoma

(b)

Sarcoma

(c)

Leukemia

(d)

Lymphoma

Common energy source in village is

(a)

electricity

(b)

coal

(c)

biogas

(d)

wood and animal dung