NCERT TEXT BOOK EXERCISES
Q1. Do you find that all living beings need the same kind of food ?
Ans. No. The food requirements of all living organisms vary. On the basis of food requirements, living organisms are grouped into three categories :
(i) Herbivores : These animals eat only plants or plant products. For example : Cow, elephant, rabbit, horse, etc.
(ii) Carnivores : These animals eat other animals. For example : Lion, tiger, lizard, etc.
(iii) Omnivores : These animals eat both plants and animals. For example : Dog, cat, crow, etc.
Q2. Name five plants and their parts that we consume.
Ans.
| Plant | Edible plant part |
| Carrot | Root |
| Peas | Seed |
| Apple | Fruit |
| Cauliflower | Flower |
| Cabbage | Leaf |
Q3. Match the items given in Column A with those in Column B.
| Column A | Column B |
| Milk, curd, paneer, ghee | eat other animals |
| Spinach, cauliflower, carrot | eat plants and plant products |
| Lions and tigers | are vegetables |
| Herbivores | are all animal products |
Ans.
| Column A | Column B |
| Milk, curd, paneer, ghee | are all animal products |
| Spinach, cauliflower, carrot | are vegetables |
| Lions and tigers | eat other animals |
| Herbivores | eat plants and plant products |
Q4. Fill up the blanks with the words given :
herbivore, plant, milk, sugarcane, carnivore
(a) Tiger is a _________ because it eats only meat.
(b) Deer eats only plant products and so, is called _________.
(c) Parrot eats only _________ products.
(d) The _______that we drink, which comes from cows, buffaloes and goats is an animal product.
(e) We get sugar from _________ .
Ans. (a) Tiger is a carnivore because it eats only meat.
(b) Deer eats only plant products and so, is called herbivore.
(c) Parrot eats only plant products.
(d) The milk that we drink, which comes from cows, buffaloes and goats is an animal product.
(e) We get sugar from sugarcane.