UPSC Biology - General Awareness Multiple Choice Questions and Answers for IAS/IPS Prelims

Questions

31 The only snake that builds a nest is:

A Krait

B Chain viper

C Saw-scaled viper

D King Cobra

View Answer Comment

Answer: Option [D]

32 Which one of the following organisms can serve as a biofertilizer for rice crop?

A Mycorrhizal fungi

B Azotobacter sp.

C Blue-green algae

D Rhizobium sp.

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Answer: Option [C]

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33 In a bisexual flower, if androecium and gynoecium mature at different times, the phenomenon is known as

A dichogamy

B heterogamy

C monogamy

D herkogamy

View Answer Comment

Answer: Option [A]

34 Which one of the following is an insectivorous plant?

A Night queen

B Pitcher plant

C Flame of the forest

D Passion flower plant

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Answer: Option [B]

35 Fruits stored in a cold chamber exhibit longer storage life because

A exposure to sunlight is prevented

B there is an increase in humidity

C rate of respiration is decreased

D concentration of carbon dioxide in the environment is increased

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Answer: Option [C]

36 Which one of the following antimicrobial drugs, is suitable for treatment of both tuberculosis and leprosy?

A Isoniazid

B Streptomycin

C P-aminosalicyclic acid

D Rifampicin

View Answer Comment

Answer: Option [D]

37 Besides proteins and carbohydrates, other elements of nutritional value found in milk, include

A calcium and iron

B potassium and iron

C calcium and potassium

D calcium, potassium and iron

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Answer: Option [C]

38 Which one of the following type of microorganisms is most widely used in industries?

A Bacteria

B Bacteria and algae

C Bacteria and fungi

D Bacteria, microalgae and fungi

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Answer: Option [D]

39 Consider the following statements

I. Tapeworm is a hermaphrodite

II. Round-worm has separate sexes

III. Filarial is caused by a nematode

IV. Guinea-worm is an annelid

Which of these are correct?

A I and II

B I, II and III

C III and IV

D II, III and IV

View Answer Comment

Answer: Option [B]

40 Consider the following conditions of a sick human body

I. Swollen lymph nodes

II. Sweating at night

III. Loss of memory

IV. Loss of weight

Which of these are symptoms of AIDS?

A I and II

B II, III and IV

C I, III and IV

D I, II, III and IV

View Answer Comment

Answer: Option [D]

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