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Grade 7 Revision: Nutrition in Animals

Total questions: 40

Worksheet time: 40mins

Name
Class
Date
1.

The process of removing undigested food materials from the body is called (a)   .

2.
  1. Which of these is not a part of nutrition?
a)

digestion

b)

absorption

c)

egestion

d)

excretion

3.

The pointed teeth in your mouth are

a)

premolars

b)

incisors

c)

molars

d)

canines

4.
  1. The greatest amount of digestion of food in humans takes place in the
a)

mouth

b)

stomach

c)

small intestine

d)

large intestine

5.

4.Bile is produced in the

a)

stomach

b)

small intestine

c)

pancreas

d)

liver

6.

During digestion,fats are changed into

a)

amino acids

b)

fatty acids and glycerol

c)

glucose

d)

sugar

7.

The inner walls of the stomach secrete _________.

a)

Mucus & hydrochloric acid

b)

Bile

c)

Lime

d)

Salt

8.
In which stage does the use of simple substances to build complex substances is required by the body is happening?
a)
Absorption
b)
Assimilation
9.

Water from the undigested food is absorbed mainly in the

a)

stomach

b)

foodpipe

c)

small intestine

d)

large intestine

10.

Mark ‘True’ if the statement is true and ‘False’ if it is false:


Digestion of starch starts in the stomach.

a)

True

b)

False

11.

What are the five processes in human nutrition (in order)?

a)

ingestion,digestion,egestion,absorption,assimilation

b)

ingestion,digestion,absorption,egestion,assimilation

c)

ingestion,digestion,absorption,assimilation,egestion

d)

absorption,ingestion,digestion,egestion,assimilation

12.

If iodine turns a substance to blue-black colour, the substance is

a)

cellulose

b)

starch

c)

fats

d)

proteins

13.

Breaking down of food into simple,soluble compounds is called

a)

ingestion

b)

digestion

c)

nutrition

d)

egestion

14.

The chemicals that help to digest the food are called

a)

digestive juice

b)

vitamins

c)

enzymes

d)

hormones

15.
What is the finger-like projections found in the digestive system called?
a)
Protozoa
b)
Villi
16.

Mark ‘True’ if the statement is true and ‘False’ if it is false


The ruminants bring back swallowed grass into their mouth and chew it for some time.

a)

True

b)

False

17.

What is A in the given picture ?

(a)  

18.

What is C in the given picture ?

(a)  

19.

The longest part of the digestive tract in humans is the ........................

a)

Oesophagus

b)

Stomach

c)

Small Intestine

d)

Large Intestine

20.

How many Incisors will be there in adult buccal cavity including upper jaw and lower jaw?

a)

2

b)

4

c)

6

d)

8

21.

Identify ruminant from the following.

a)

Cat

b)

Cow

c)

Ant

d)

Tiger

22.

In amoeba,ingestion of food takes place with the help of false feet called................

a)

Vacuole

b)

Lysosome

c)

Arms

d)

Pseudopodia

23.

Largest gland in the human body

a)

Buccal cavity

b)

Brain

c)

Liver

d)

Intestine

24.

Name the process by which the digested food molecules are taken up by the intestine wall and sent to circulatory system.

a)

Assimilation

b)

Digestion

c)

Absorption

d)

Egestion

25.

The basic process of digestion of food and release of energy is not the same in all animals.

a)

TRUE

b)

FALSE

26.

______ takes in food by the use of pseudopodia.

a)

Goat

b)

Tiger

c)

Amoeba

d)

Human

27.

The ___ helps in mixing saliva with food.

a)

Heart

b)

Stomach

c)

Nose

d)

Tongue

28.

Mostly grass eating animals are called____.

a)

Carnivore

b)

Omnivore

c)

Ruminants

d)

Scavenger

29.

______secretes pancreatic juice.

a)

Liver

b)

Brain

c)

Pancreas

d)

Skin

30.

MilkTeeth fall off in _____.

a)

Children

b)

Adult

c)

Old Man

d)

Old Lady

31.

Digestion starts from _____.

a)

Mouth

b)

Stomach

c)

Liver

d)

Ribs

32.

____ catches insects with it’s tongue.

a)

Snail

b)

Human

c)

Lion

d)

Frog

33.

The Digested food is absorbed by____.

a)

Small Intestine

b)

Large Intestine

c)

Lungs

d)

Brain

34.

The enzymes present in the saliva convert

a)

fats into fatty acids and glycerol.

b)

starch into simple sugars.

c)

proteins into amino acids.

d)

complex sugars into simple sugars.

35.

How many chambers does the stomach of a ruminant have?

a)

1

b)

3

c)

4

d)

2

36.

THE BILE JUICE PLAYS AN IMPORTANT ROLE IN THE DIGESTION OF

a)

PROTIENS

b)

VITAMINS

c)

MINERALS

d)

FATS

37.

WHAT IS THE LENGTH OF THE LARGE INTESTINE

a)

7.5 M

b)

1.5 M

c)

8-9 M

d)

100 M

38.

THE PARTIALLY DIGESTED FOOD IN RUMINANTS IS CALLED

a)

CELLULOSE

b)

CUD

c)

PSEUDOPODIA

d)

VILLI

39.

AFTER DIGESTION,THE PROTEINS GET CONVERTED INTO

a)

GLYCEROL

b)

AMINO ACID

c)

SIMPLE SUGARS

d)

GLUCOSE

40.

WHICH IS THE WIDEST PART OF THE ALIMENTARY CANAL

a)

GALL BLADDER

b)

MOUTH

c)

LARGE INTESTINE

d)

STOMACH

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