Density is_________.

(a)

\(\frac{volume}{mass}\)

(b)

\(\frac{mass}{volume}\)

(c)

\(\frac{area}{volume}\)

(d)

\(\frac{volume}{area}\)

Force involved in uniform circular motion is given by _____________.

(a)

f = mv²/r

(b)

f = mvr

(c)

f = mr²/v

(d)

f = v²/r

A body moving along a circular path has _______

(a)

constant speed

(b)

constant velocity

(c)

no radial acceleration

(d)

no tangential velocity

Gas particles can be forced to get closer and can be easily compressed. So _______ increases.

(a)

pressure

(b)

volume

(c)

mass

(d)

weight

Among the following the odd pair is

(a)

₈O¹⁸,9F¹⁹

(b)

₁₈Ar⁴⁰,₇N¹⁴

(c)

₁₄Si³⁰, _15P³¹

(d)

₂₄Cr⁵⁴, ₁₉K³⁹

Maximum number of electrons that can be accommodated in an energy level is given by the formula ___________

(a)

n²

(b)

2n²

(c)

3n²

(d)

2n³

Identify the emerald green sea slug________________.

(a)

Vaucheria litorea

(b)

Nepenthes

(c)

Droseta

(d)

Elysia chlorotica

Find the group having only marine members

(a)

Mollusca

(b)

Porifera

(c)

Coelenterata

(d)

Echinodermata

Find the incorrect pair.
 

(a)

 Earth worm - Metamerism

(b)

Round worm - Pseudocoelom

(c)

Hydra Polyp - Medusa

(d)

Star fish - Asymmetrical

The body of soft bodied animals are covered by__________.

(a)

Spicules

(b)

Scales

(c)

Bristles

(d)

Mantle

Identify the protein deficiency disease

(a)

Marasmus

(b)

Pellagra

(c)

bow legs

(d)

Goitre

Two cylinders of equal height and radius are made of copper and aluminium. Which of them conducts heat faster?

(a)

Copper rod

(b)

Aluminium rod

(c)

Both of them

(d)

None of them

Elements in the modern periodic table are arranged in__________ groups and __________ periods.

(a)

7,18

(b)

18,7

(c)

17,8

(d)

8, 17

d-block elements are otherwise known as_______

(a)

transition elements

(b)

inner transition elements

(c)

halogens

(d)

alkali metals

You are given pure water to test the pH value using pH paper. It shows colour

(a)

White

(b)

black

(c)

green

(d)

black

Which of the following solution is soapy to touch?

(a)

Acidic

(b)

Basic

(c)

Salt

(d)

Aquaregia

Which of the following is not a salivary gland?

(a)

Sublingual

(b)

Lachrymal

(c)

Submaxillary

(d)

Parotid

Name the cable that connects CPU to the monitor.

(a)

Ethernet

(b)

VGA

(c)

HDMI

(d)

USB

Which of the following is not a member of the solar system?

(a)

An asteroid

(b)

A satellite

(c)

A constellation

(d)

A comet

Diamond is not a good conductor of electricity because

(a)

it is very hard

(b)

it has no free electron

(c)

its structure is uniform

(d)

it is insoluble in water