Biology - Questions and Answers, General Study (GK)

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1431.

Streptomycin is produced by

(a)Fungi

(b)Bacteria

(c)Yeasts

(d)Virus

Comment

Answer is: A

1432.

One of the following is called the vascular cryptogams

(a)Thallophyta

(b)Bryophyta

(c)Pteridophyta

(d)None of these

Comment

Answer is: C

1433.

Disease causing bacteria are called

(a)Toxin

(b)Saprophytic

(c)Pathogenic

(d)Autotrophic

Comment

Answer is: C

1434.

Ergot is obtained from

(a)Claviceps purpurea

(b)Colletotrichum falcatum

(c)Aspergillus niger

(d)Phytopthora infestans

Comment

Answer is: A

1435.

After development ovule forms

(a)Embryo

(b)Endosperm

(c)Seed

(d)Fruit

Comment

Answer is: C

1436.

Which of the following can be recycled ?

(a)Coal

(b)Natural oil

(c)Natural gas

(d)Metal

Comment

Answer is: D

1437.

The mechanism of heredity was explained first by

(a)Mendel

(b)Morgan

(c)Bateson

(d)Punnet

Comment

Answer is: A

1438.

Viruses are inert

(a)Outside host cell

(b)Inside host cell

(c)Both of these

(d)None of these

Comment

Answer is: A

1439.

Which of the following characteristics of virus, best denote its unique nature ?
I. It can attack bacteria
II. It can be crystallised
III. It can be replicate
IV. It can invade human body
Of the following four which one is correct?

(a)I, II and IV

(b)II and III

(c)I, III and IV

(d)III and IV

Comment

Answer is: A

1440.

Which of the following disease is / are likely to spread in the entire community if a leaky septic tank contaminates the water supply ?
I. Cholera
II.Typhoid
III. Tuberculosis
IV. Leprosy Of the following four
Which one is correct?

(a)I alone

(b)I and II

(c)I, II and Ill

(d)II, III and IV

Comment

Answer is: B

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Biology - Questions and AnswersPage 144

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