Biology - Questions and Answers, General Study (GK)

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1621.

One of the following is essential for seed germination

(a)High temperature

(b)Water

(c)Minerals

(d)Light

Comment

Answer is: B

1622.

The process by which RNA is formed from DNA is called

(a)Transformation

(b)Duplication

(c)Transcription

(d)Transduction

Comment

Answer is: C

1623.

Some plants develop fruits without fertilization, this phenomenon is called

(a)Apocarpy

(b)Parthenocarpy

(c)Syncarpy

(d)Acarpy

Comment

Answer is: B

1624.

Which one of the following diseases is caused by viral infection?

(a)Typhoid

(b)Cholera

(c)Jaundice

(d)Tetanus

Comment

Answer is: C

1625.

Symbolic nitrogen fixation is done by

(a)Rhizobium

(b)Azotobacter

(c)Nitrobacter

(d)Clostridium

Comment

Answer is: A

1626.

Lack of which element makes the plant insectivorous ?

(a)Calcium

(b)Iodine

(c)Magnesium

(d)Nitrogen

Comment

Answer is: D

1627.

Founder of binomial nomenclature is

(a)Pasteur

(b)Lemarck

(c)Carl Linnaeus

(d)John Ray

Comment

Answer is: C

1628.

Part of cinchona plant from which the drug quinine is obtained is

(a)Leaves

(b)Bark

(c)Stem

(d)Root

Comment

Answer is: B

1629.

Clover, the commonly used spice is obtained from the

(a)Root

(b)Stem-tip

(c)Flower bud

(d)Fruit

Comment

Answer is: C

1630.

Which one of the following plants produces allergenic pollen grains ?

(a)Congress grass

(b)Korean grass

(c)Common grasses

(d)None of these

Comment

Answer is: A

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Biology - Questions and AnswersPage 163

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