Biology - Questions and Answers, General Study (GK)

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421.

Due to flooding method of irrigation, which of the following consequence can be seen?

(a)Soil gets eroded and losses its texture

(b)Soil gets hard panned

(c)Soil profile gets hampered

(d)All of the above

Comment

Answer is: DNA

422.

The leaf spot in the brinjal is caused by which of the following mycoplasma like organism?

(a)Alternaria

(b)Cercospora

(c)Erwinia

(d)Both (a) and (b)

Comment

Answer is: DNA

423.

Which buffalo is called as 'black gold' in Haryana?

(a)Bhadavari

(b)Niti-Ravi

(c)Mehsana

(d)Murrah

Comment

Answer is: CNA

424.

Which of the following soils are reclaimed by using gypsum?

(a)Acidic soil

(b)Saline soil

(c)Sodic soil

(d)Acid sulphate soil

Comment

Answer is: BNA

425.

Which is the perennial variety of elephant grass(Napier grass)?

(a)PusaGaint

(b)PusaGaint Napier

(c)NB-21

(d)Napier-1

Comment

Answer is: BNA

426.

Which of the following disease is not related to bajara ?

(a)Green ear

(b)Ergot

(c)Wilt

(d)Rust

Comment

Answer is: CNA

427.

The most drought affected area of Maharashtra is

(a)Vidarbha

(b)Marathwada

(c)Sangli

(d)Kolhapur

Comment

Answer is: ANA

428.

Which one of the following plants is preferred for mixed cropping in order to enhance the bio availability of nitrogen?

(a)Wheat

(b)Gram

(c)Maize

(d)Barley

Comment

Answer is: ANA

429.

What is mixed farming?

(a)Growing of several crops in a planned way

(b)Growing Rabi as well as Kharif crops

(c)Growing several crops and rearing animals

(d)Growing of fruits as well as vegetables

Comment

Answer is: CNA

430.

Which of the following gases is released from rice fields in the most prominent quantities?

(a)Carbon dioxide

(b)Methane

(c)Carbon monoxide

(d)Sulphur dioxide

Comment

Answer is: BNA

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Biology - Questions and AnswersPage 43

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