Question 11
Which features adapt polar bears to live in extremely cold climate?
(i) A white fur, fat below the skin, keen sense of smell.
(ii) Thin skin, large eyes, a white fur.
(iii) A long tail, strong claws, white large paws.
(iv) White body, paws for swimming, gills for respiration.

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Solution

(i) A white fur, fat below the skin, keen sense of smell.

The features which help the polar bears adapt to live in extremely cold climate are a white fur, fat below the skin and a keen sense of smell.

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Similar questions

Following are some of the characteristics of animals:

(i) Diets heavy on fruits (ii) White fur

(iii) Need to migrate (iv) Loud voice

(v) Sticky pads on feet (vi) Layer of fat under skin

(vii) Wide and large paws (viii) Bright colours

(ix) Strong tails (x) Long and large beak

For each characteristic indicate whether it is adaptation for tropical rainforests or polar regions. Do you think that some of these characteristics can be adapted for both regions?

Question 9
Choose the odd one from the following options :

(a) Thick layer of fat under the skin
(b) White fur
(c) Long grasping tail
(d) Wide and large feet with sharp claws

Q. Match the following.

	List I		List I
I.	Red eye frog	A.	Thick skin and strong sense of smell
II.	Toucan	B.	Thick skin and sensitive hearing
III.	Big cats	C.	Long large beak
IV.	Polar bear	D.	Sticky pad

Q. is the fur of polar bear transparent or white? what is the colour of its skin?

Q. Match the Columns.
कॉलमों का मिलान कीजिए।

	Column (कॉलम) I (Characteristic features of Polar bear) (ध्रुवीय भालू के अभिलाक्षणिक गुण)		Column (कॉलम) II (Adaptations) (अनुकूलन)
(A)	A layer of fat under its skin इसकी त्वचा के नीचे वसा की परत होती है	(P)	Help it to walk on ice बर्फ पर चलने में इसकी सहायता करते हैं
(B)	Very strong sense of smell सूँघने की तीव्र शक्ति होती है	(Q)	Insulates its body from cold इसके शरीर को ठण्ड से बचाता है
(C)	Wide and large paws चौड़े तथा लंबे नखर	(R)	Helps it to locate and catch its prey अपने शिकार को ढूँढने तथा पकड़ने में इसकी सहायता करते हैं
(D)	Long curved and sharp claws लंबे मुड़े हुए तथा पैने पंजे	(S)	Helps it to swim तैरने में इसकी सहायता करते हैं

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The Polar Regions

Standard VII Biology

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Question 11 Which features adapt polar bears to live in extremely cold climate? (i) A white fur, fat below the skin, keen sense of smell. (ii) Thin skin, large eyes, a white fur. (iii) A long tail, strong claws, white large paws. (iv) White body, paws for swimming, gills for respiration.

(i) A white fur, fat below the skin, keen sense of smell. The features which help the polar bears adapt to live in extremely cold climate are a white fur, fat below the skin and a keen sense of smell.

Question 11
Which features adapt polar bears to live in extremely cold climate?
(i) A white fur, fat below the skin, keen sense of smell.
(ii) Thin skin, large eyes, a white fur.
(iii) A long tail, strong claws, white large paws.
(iv) White body, paws for swimming, gills for respiration.

(i) A white fur, fat below the skin, keen sense of smell.

The features which help the polar bears adapt to live in extremely cold climate are a white fur, fat below the skin and a keen sense of smell.