Nutrition in Animals (Practice Sheet, Class 7)

(1)Fill in the Blanks:

(i) Humans have _____  number of incisor.

(ii)Butterfly   ______ the nectar.

(iii)The _____ is a reddish brown gland.

Solution-

(2)Mark T if the statement is true and F if it is false:

(i)The tongue helps in mixing food with saliva.

(ii)Finger like projections in Amoeba is called pseudopodia.

(iii)Cud is fully digested food in ruminant.

Solution-

(3) What is egestion?

Solution-

(4)Tick (√) mark the correct answer in each of the following :

(a)The grass is rich in

(i) Cellulose

(ii) Vitamins

(iii) fats

(b) The process of taking food into the body is called

(i)digestion

(ii)ingestion

(iii)egestion

Solution-

(5)What is absorption?

Solution-

(6)What is the difference in eating process of humans and ruminants?

Solution-

(7)What is assimilation?

Solution-

(8)Write the name of parts which make alimentary canal?

Solution-

(9)Match the items of column I with those given in column II:

Column I                                                      Column II

Food components                                         Product(s) of digestion

(a)Carbohydrates                                         Fatty acids and glycerol

(b)Proteins                                                      Sugar

(c)Fats                                                               Amino acids

Solution –

(10) Complete the table given below:

Different Type of Teeth

S N Name of Teeth Number of teeth in mouth Work of teeth
1 Incisor 8 [4ineach jaw] Cut food
2 Canine 4 [2in each jaw] Grasping & tearing food
3 Premolar 8 [4 in each jaw] Crushing food
4 Molar 12 [6 in each jaw] Chewing and grinding food

Solution-

Helping Topics

Nutrition in animals

NCERT solutions, class 7