Chap 9 Session 1

Which of the following are/is biotic components of a habitat?

• Lion

• Tiger

• Plants

• All of these

From amongst the following, select the abiotic components i) Air ii) Water iii) Heat iv) Sunlight

• ii only

• ii and iii only

• iii and iv only

• All of these

Which of the following cannot be called a habitat?

• a desert with camels

• a pond with fish

• a jungle with wild animals

• cultivated land with grazing cattle

Choose the set that represents only the biotic components

• Tiger, deer, grass, soil

• rocks, soil, plants, air

• sand, turtle, crab, rocks

• aquatic plant, fish, frog, insect

Saline water, hot air and sand are _____ components of a habitat.

• abiotic

• biotic

The thick layer of fat in polar bear is called

• Lipid

• Blubber

• Muscles

• Epidermis

Polar bears inhibit loss of heat from their body by help of their

• small ears

• short tail

• both small ears and short tail

• thick fur

Polar bears live in habitat of

• Arctic Ocean

• Indian ocean

• Pacific ocean

• Atlantic ocean

The adaptations of polar bear are

• thick fur

• thick skin

• small ears and tail

• all of them

The trapped air in skin of polar bear and its thick fur act as

• conductor

• heat insulator

• water insulator

• heat conductor