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Revision for bl 8 to 11

Total questions: 30

Worksheet time: 12mins

Name
Class
Date
1.

1.________need warmth,moisture, air to grow

a)

water

b)

microorganisms

2.

2.vegetables,fruits can be easily transported to off places through_____

a)

canning

b)

pasturisation

3.

3.food is put in a plastic packet and air is sucked out this method is called as ________

a)

salting

b)

vaccum packing

4.

4.Milk is heated to a high temperature and then cooled suddenly this method is called as _______

a)

Pasteurisation

b)

drying

5.

5.microorganisms produce some poisonous substances called as_______

a)

Sweet substances

b)

toxins

6.

6. If we leave food aside for many days we can see changes in its

a)

colour

b)

taste

c)

texture

d)

all of the above

7.

7.Diet chart gives information about the amount of __________ needed for growth of the body

a)

nutrients

b)

diseases

8.

8.Deiciency disease anaemia is caused due to lack of nutrient ________

a)

vitamin B

b)

Iron

9.

________ is caused when the diet is too rich in carbohydrates and fats

a)

malnutrition

b)

obesity

10.

Each deficiency disease is characterised by some______

a)

disorders

b)

symptoms

11.

Polio is a viral disease which afeects children below ____ years of age.

a)

below 10 years

b)

below 5 years

12.

A ________ is a small dose of the germs cause the disease

a)

vaccine

b)

Juice

13.

If the disease is spread to tooo many people at the same time, it is called as_____ condition

a)

endamic

b)

epidemic

14.

Rats spread _______

a)

plague

b)

rabies

15.

Communicable disease Is ________

a)

spread from one person to another

b)

cannot spread from one person to another person

16.

Cancer comes under ___________ disease

a)

communicable disease

b)

non communicable disease

17.

Microorganisms can be seen through ____________

a)

microorganisms

b)

nacked eyes

18.

Microorganisms are _______celled organisms

a)

single celled

b)

Multi celled

19.

Pervention is better can cure do you agree with this statement

a)

yes

b)

no

20.

Our ________ controls and coordinates the functions of the body

a)

brain

b)

spinal cord

21.

How many parts does the brin have?

a)

5

b)

3

22.

Which is the largest part of brain

a)

cerebellum

b)

cerebrum

23.

Which part of brain controls breathing in body

a)

cerebrum

b)

brain stem

24.

The nerves which carry messeges from brain to different parts of the body are called as _______ nerves

a)

mixed nerves

b)

motor nerves

25.

Reflex actions are controlled by ___________

a)

brain

b)

Spinal cord

26.

Which part of the brain controls the sense organs?

a)

brain stem

b)

cerebrum

27.

Many nerve cells join together to from a

a)

nerve

b)

brain

28.

Animals that carry disease causing microorganisms are called as_____

a)

direct contact

b)

vector

29.

Which part of India is famous for idly,dosa ?

a)

maharashtra

b)

south India

30.

What are the symptoms we can see after eating spoiled food?

a)

head ache

b)

Vomitings

c)

stomach ache

d)

all the above