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Worksheets

Science

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

1. Which of the following gases is released during Photosynthesis?

a)

Nitrogen

b)

Oxygen

c)

Carbon Dioxide

d)

Hydrogen

2.

The process of releasing silk from the cocoon is ___________.

a)

Sorting

b)

Reeling

c)

Throwing

d)

Shearing

3.

Bile Juice is produced by ________.

a)

Pancreas

b)

Gall Bladder

c)

Liver

d)

Stomach

4.

The constant movement of __________ by paramecium pushes the food particles along with the water current into its mouth.

a)

Cilia

b)

Tentacles

c)

Feeding tube

d)

Sticky tongue

5.

The process of straightening the wool fibres is called ___________.

a)

Combing

b)

Shearing

c)

Spinning

d)

Dyeing

6.

Name the largest gland in the body.

a)

Liver

b)

Pancreas

c)

Small intestine

d)

Food pipe

7.

The raw materials for Photosynthesis are

a)

Oxygen and Water

b)

Carbon Dioxide and Water

c)

Water, carbon Dioxide and Sunlight

d)

Nitrogen and Water

8.

Compound stomach is found in _________.

a)

Humans

b)

Lion

c)

Cow

d)

All of these

9.

The female silk moth lays eggs, which under suitable conditions of temperature and humidity hatch into __________.

a)

Silkworm

b)

Larvae

c)

Pupa

d)

Cocoon

10.

In cow, the food goes first into _________.

a)

Reticulum

b)

Rumen

c)

Omasum

d)

Abomasum

11.

On adding iodine solution to starch, it _______________.

a)

Turns blue-black

b)

Turns green

c)

Remains colourless

d)

Turns red

12.

The silk worm spins cocoon in the pattern of ___________.

a)

0

b)

1

c)

6

d)

8

13.

Which one of the following is parasite?

a)

Lichens

b)

Algae

c)

Cuscuta

d)

Fungus

14.

The pitcher of pitcher plant is a modified __________.

a)

Root

b)

Stem

c)

Flowers

d)

Leaves

15.

The process of obtaining silk fibre from cocoons is called _________.

a)

Shearing

b)

Scouring

c)

Reeling

d)

Combing

16.

Bacteria act on the left over food in the teeth and form _________.

a)

Acids

b)

Bases

c)

Salts

d)

Indicators

17.

Fat is completely digested in the __________.

a)

Stomach

b)

Mouth

c)

Small intestine

d)

Large intestine

18.

The Chlorophyll traps the solar energy and converts it into _________ energy.

a)

Mechanical

b)

Chemical

c)

Magnetic

d)

Electrical

19.

Which is the term related to silk production?

a)

Sericulture

b)

Pisciculture

c)

Horticulture

d)

Apiculture

20.

We keep a healthy potted plant on a dark room for some days to _________ the leaves.

a)

Decolourise

b)

Defragment

c)

Destarch

d)

Deprotein