Biology - Questions and Answers, General Study (GK)

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1561.

Sexual reproduction is absent in

(a)Blue-green algae

(b)Green algae

(c)Brown algae

(d)Red algae

Comment

Answer is: A

1562.

Algin is obtained from

(a)Diatoms

(b)Red algae

(c)Chara

(d)Brown algae

Comment

Answer is: D

1563.

The virus which attacks E.coll is termed

(a)Cyanophage

(b)Mycophage

(c)Coliphage

(d)None of these

Comment

Answer is: C

1564.

Laminaria is an important source of

(a)Agar-agar

(b)Gelatin

(c)Iodine

(d)Antibiotic

Comment

Answer is: C

1565.

'Pond silk' is the common name of

(a)Chlamydomonas

(b)Anabaena

(c)Oscillatoria

(d)Spirogyra

Comment

Answer is: D

1566.

Pneumonia is caused by one of the following

(a)Bacteria

(b)Fungi

(c)Algae

(d)Viruses

Comment

Answer is: A

1567.

Cotton fibre is obtained from the

(a)Stem

(b)Root

(c)Leaf

(d)Fruit

Comment

Answer is: D

1568.

The largest producer of groundnut is

(a)India

(b)Sudan

(c)Brazil

(d)China

Comment

Answer is: A

1569.

India's largest mineral resource is

(a)Coal

(b)Uranium

(c)Gold

(d)Copper

Comment

Answer is: A

1570.

The gas evolved by leaves during photosynthesis is

(a)Hydrogen

(b)Nitrogen

(c)Chlorine

(d)Oxygen

Comment

Answer is: D

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Biology - Questions and AnswersPage 157

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