Question

In which sense organ are the nerve endings sensitive to pressure, heat, cold and pain?

a )

Eyes

b )

Tongue

c )

Skin

(1)

4

Which living things sense their environment with the help of sense organs?

a )

All animals

b )

All plants and animals

c )

Most animals

(1)

5

....................... are traces of plants and animals found in sedimentary rocks.

a )

Pumice

b )

Quartz

c )

Fossils

(1)

6

....................................................send signals that make the muscles move.

a )

Sensory nerve cells

b )

Motor nerve cells

c )

Connecting nerve cells.

(1)

7

The brain is made up of special types of cells called ...........................

a )

Optic nerve

b )

Auditory nerve

c )

Nerve cells

(1)

8

The delicate brain is protected from outside by strong.................. bones.

a )

Nerves

b )

Skull

c )

Medulla

(1)

9

....................................is a kind of Limestone made from the shells and skeletons of millions of tiny sea creatures

a )

Chalk

b )

Slate

c )

Gneiss

(1)

10

Which part of eye controls the amount of light entering the eye?

a )

Lens

b )

Iris

c )

Cornea

(1)

11

Which of these is made up of only one cell?

a )

Mosquito

b )

Ant

c )

Paramecium

(1)

12

Ferns reproduce by:

a )

Giving birth to babies

b )

Laying eggs

c )

Producing spores

(1)

13

There are ............... types of rocks.

a )

Three

b )

Two

c )

One

(1)

14

........................................are special type of cells that convert Sun's energy directly into electricity.

a )

Solar cells

b )

Solar Cooker

c )

Coal

(1)

15

The magma that reaches the surface of the earth is .................

a )

Lava

b )

Feldspar

c )

Silica


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Answer 1

Answer:

question no 1 answer is skin2. all 3.fossil