Biology - Questions and Answers, General Study (GK)

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1551.

Bacteria are

(a)Aerobic only

(b)Non-aerobic only

(c)Both (A) and (B)

(d)None of these

Comment

Answer is: C

1552.

Soil conservation is the process where

(a)Sterile soil is converted into fertile soil

(b)Soil is aerated

(c)Soil is protected against erosion

(d)Soil erosion occurs

Comment

Answer is: C

1553.

Phytology is the study of

(a)Fungi

(b)Bacteria

(c)Algae

(d)Plants

Comment

Answer is: C

1554.

The largest flower is

(a)Water lily

(b)Dahlia

(c)Sunflower

(d)Rafflesia

Comment

Answer is: D

1555.

The molecule with high energy phosphate bond in the cell is

(a)RNA

(b)FAD

(c)ATP

(d)DNA

Comment

Answer is: C

1556.

Pasteurization of milk destroys its

(a)Vitamins

(b)Protein contents

(c)Fat contents

(d)Pathogenic bacteria

Comment

Answer is: D

1557.

Atmospheric nitrogen is fixed in leguminous roots by

(a)Chlorophyll

(b)Bacteeria

(c)CO₂

(d)All of these

Comment

Answer is: B

1558.

Gymnosperms are characterized by

(a)Having fruits

(b)Having seeds

(c)Lacking ovaries

(d)Having vessels

Comment

Answer is: C

1559.

In food making industry the product of yeast culture utilised is

(a)Organic acid

(b)Ethyl alcohol

(c)Co₂

(d)Vitamin

Comment

Answer is: B

1560.

One of the following is responsible for smut disease

(a)Puccinia

(b)Albugo

(c)Neurospora

(d)Ustilago

Comment

Answer is: D

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Biology - Questions and AnswersPage 156

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