Question

4. The process of producing more of their own kind by the living organisms is called ______________________.
5. Frogs have _______________ feet that help them to swim in water.
6. Dolphins and whales breathe through ____________________.
7. The process of getting rid of wastes by the living organisms is called __________________.
8. The stems of aquatic plants are long, ________________ and _______________.
9. During respiration, organisms take in _____________ and give out _______________________.
10. Exchange of gases in plants take place through the tiny pores on the leaves called _________________.

Name the following
1. Two terrestrial habitats:

2. Two aquatic habitats:

3. Two plants and two animals of mountain regions:

4. Four important abiotic factors needed for growth of plants:

5. Any three modes of reproduction by plants:

Answer the following
1. Write any three adaptive features of the following:
i) Camel
a) ………………………………………………………………………
b) ………………………………………………………………………
c) ………………………………………………………………………
ii) Fish
a) ………………………………………………………………………
b) ………………………………………………………………………
c) ………………………………………………………………………
iii) Lotus
a) ………………………………………………………………………
b) ………………………………………………………………………
c) ………………………………………………………………………
iii) Cactus
a) ………………………………………………………………………
b) ………………………………………………………………………
c) ………………………………………………………………………
iii) Yak
a) ………………………………………………………………………
b) ………………………………………………………………………
c) ………………………………………………………………………
iii) Polar bear
a) ………………………………………………………………………
b) ………………………………………………………………………
c) ………………………………………………………………………

2. List any six characteristics of living beings.
a) ………………………………………………………………………
b) ………………………………………………………………………
c) ………………………………………………………………………
d) ………………………………………………………………………
e) ………………………………………………………………………
f) ………………………………………………………………………

3. Draw the life cycle of butterfly.



4. Write the difference between:
a) Biotic components and abiotic components.

Biotic components Abiotic components

Example: Example:

b) Aquatic and terrestrial habitats.

Aquatic habitat Terrestrial habitat

Example: Example:

c) Acclimatisation and adaptation.

Acclimatization Adaptation

Example: Example:

5. Complete the table.
BIOTIC COMPONENTS DEFINITION EXAMPLES

(a) ………………… Prepare food by the process of photosynthesis.
………………………

(b) Consumers
…………………..................
……………………………….
……………………………….
Goat, Bear, cat etc.

(i) Herbivores
……………………………….
……………………………….
………………………
………………………

(ii)……………..
Animals which feed on other animals.
………………………
……………………….

(iii)………………..
………………………………
………………………………
Cats. Crows, men.

(c) Scavengers
……………………………….
……………………………….
……………………….
……………………….

(d) ………………….
……………………………….
……………………………….
Bacteria, fungi.

Answer 1

4)reproduction

5)bedded

6)lungs

7) excretion

8)thin and elastic

9) oxygen and give out carbon dioxide

10)stomata

Answer 2

The process of producing more of their own kind by the living organisms is called