Which of the following cannot be called a habitat?

1

(a)

A desert with camels

(b)

A pond with fishes

(c)

A jungle with wild animals

(d)

Cultivated land with gratr'ng cattle

Boojho comes across an animal having a streamlined and slippery body. What is the habitat of the animal?

1

(a)

Water

(b)

Desert

(c)

Grassland

(d)

Mountain

Carbon dioxide in air is used by plants to

1

(a)

breathe

(b)

make food

(c)

remove waste

(d)

trap energy of the sun for photosynthesis

Respiration in aquatic animals occurs by

1

(a)

lungs

(b)

gills

(c)

nostrils

(d)

legs

Fishes move about in water with the help of their

1

(a)

mouth and gills

(b)

legs and seales

(c)

wings and tails

(d)

fins and tails

The biggest animal living on the earth is

1

(a)

Whale

(b)

Zebra

(c)

Elephant

(d)

Camel

Soil, water and air are the ______________ factors of a habitat.

1

(a)

abiotic

Soil, water and air are__________ components of habitat.

1

(a)

abiotic

Forest and trees act as _____________ .

1

(a)

wind brakes

Camel is called of ___________ desert.

1

(a)

ship

What is the function of gills ?

1

(a)

To absorb oxygen dissolved in water.

Non-living objects carry out respiration.

1

(a) True

(b) False

Almost all types of plants are found in sea.

1

(a) True

(b) False

All living beings need water.

1

(a) False

(b) True

All plants and animals cannot survive without air.

1

(a) False

(b) True

All animals can live in isolation and are independent.

1

(a) True

(b) False

Name one characteristic which identify seeds as living beings.

2

(a)

Using the following words, write the habitat of each animal given in figures (a to d). Grassland, mountain, desert, pond, river

2

(a)

State an example of animals showing response to a stimuli.

2

(a)

Animals like mountain goat and snow leopard do not slip or fall. Why?

2

(a)

Camels live in desert habitat. How do they adapt to such harsh climate?

2

(a)

List the common characteristics of the living things.

3

(a)

List the types of movements seen in plants.

3

(a)

Differentiate between excretion and secretion in plants and animals.

3

(a)

List the important characteristics of living things which differentiate them from non-living things.

5

(a)

Define the following:
(i) Prey
(ii) Predators
(iii) Acclimatization
(iv) Adaptation
(v) Stimuli

5

(a)