The amount of space occupied by a three dimensional object is known as its ____________

(a)

density

(b)

volume

(c)

Area

(d)

mass

From the given v-t graph it can be inferred that the object is _______.

(a)

in uniform motion

(b)

at rest

(c)

in non uniform motion

(d)

moving with uniform acceleration

Velocity-time graph of an object is given below the object has

(a)

uniform velocity

(b)

uniform retardation

(c)

uniform speed

(d)

variable retardation

A molecule containing three atoms is called a __________ molecule

(a)

monoatomic

(b)

diatomic

(c)

triatomic

(d)

polyatomic

The sub-atomic particle which revolves around the nucleus is _______.

(a)

Atom

(b)

Neutron

(c)

Electron

(d)

Proton

____________ is made up of two or more atoms

(a)

Atoms

(b)

Molecule

(c)

Compound

(d)

None

Electron was discovered by ___________

(a)

J.J. Thomson

(b)

Chadwick

(c)

Goldstein

(d)

Delton

Lithium atom contains 3 protons and 4 neutrons Its atomic number is __________

(a)

4

(b)

3

(c)

5

(d)

7

____________ do not produce spores.

(a)

Algae

(b)

Fungi

(c)

Datura

(d)

Ferns

Sleep is not only good for our body, but it is also good for ________ .

(a)

Enjoyment

(b)

Relaxation

(c)

Mind

(d)

Environment

____________ is a non communicable disease

(a)

small pox

(b)

Varicella

(c)

Rheumatism

(d)

Flu

___________ helps in explaining the concepts easily through picture.

(a)

Visible Communication Device

(b)

Visible Cinema Device

(c)

Visual Cinema Device

(d)

Visual Communication Device

International unit of measuring temperature is _______.

(a)

Kelvin

(b)

Fahrenheit

(c)

Celsius

(d)

Joule

______ of the following are endothermic changes.

(a)

Condensation and melting

(b)

Condensation and freezing

(c)

Evaporation and melting

(d)

Evaporation and freezing

Approximately ______ species of living organisms found in the earth.

(a)

8.7 million

(b)

8.6 million

(c)

8.5 million

(d)

8.8 million

Light that hits a mirror gets_______.

(a)

Transmitted

(b)

Reflected

(c)

Absorbed

(d)

Refracted

The moon takes _________ days to complete one revolution around the Earth.

(a)

25

(b)

26

(c)

27

(d)

28

______ is a non-biodegradable material

(a)

Paper

(b)

A plastic bottle

(c)

Cotton cloth

(d)

Wool

The cultivation and production of silk is known as______.

(a)

Horticulture

(b)

Floriculture

(c)

Agriculture

(d)

Sericulture

The Keyboard shortcut is used to cut the selected text ______.

(a)

Ctrl+ c

(b)

Ctrl+v

(c)

Ctrl+x

(d)

Ctrl+A