Biology - Questions and Answers, General Study (GK)

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601.

Yellow proteins are

(a)Flavoproteins

(b)Carotenes

(c)Xanthophylls

(d)All of above

Comment

Answer is: A

602.

Which one of the following plant organs is an organ of respiration?

(a)Leaf

(b)Flower

(c)Root

(d)None of these

Comment

Answer is: D

603.

The numerous minute pores in the epidermis of a leaf are called

(a)Stomata

(b)Hydathodes

(c)Perforation

(d)Lenticels

Comment

Answer is: A

604.

In some plants, water oozes through certain pores that remain permanently open. This phenomenon is called ?

(a)Guttation

(b)Transpiration

(c)Vaporization

(d)Evaporation

Comment

Answer is: A

605.

Which one of the following isnot a stem modification?

(a)Ginger

(b)Arrowroot

(c)Garlic

(d)Sweet potato

Comment

Answer is: D

606.

From which part of the plant is turmeric a commonly-used colourant and antiseptic obtained ?

(a)Root

(b)Fruit

(c)Stem

(d)Flower

Comment

Answer is: C

607.

Clove, the commonly used spice, is obtained from the

(a)Stem

(b)Fruit

(c)Root

(d)Flower bud

Comment

Answer is: D

608.

Hashish is obtained from a plant. From which part of the plant is it obtained ?

(a)Exudate from stem and male inflorescence

(b)Stem

(c)Exudate from leaves and female inflores

(d)Leaves

Comment

Answer is: C

609.

Cotton fibre is obtained from the

(a)Stem

(b)Leaf

(c)Seed

(d)Fruit

Comment

Answer is: C

610.

The living and growing part of human hair is ?

(a)Hair root

(b)Hair follicle

(c)Hair papilla

(d)Hair shaft

Comment

Answer is: A

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Biology - Questions and AnswersPage 61

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