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

Questions

111 Which one of the following hormones contains iodine?

A Thyroxine

B Testosterone

C Insulin

D Adrenaline

View Answer Comment

Answer: Option [A]

112 Fat present below the skin surface in our body, acts as a barrier against

A Loss of salts from the body

B Loss of essential body fluids

C Loss of heat from the body

D Entry of harmful micro-organisms from the environment

View Answer Comment

Answer: Option [C]

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113 Lathyrism is caused by excessive consumption of

A mustard oil

B khesari dal

C mushrooms

D polished rice

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Answer: Option [B]

114 Though coffee and tea both are cultivated on hill slopes, there is some difference between them regarding their cultivation. In this context, consider the following statements:

I. Coffee plant requires a hot and humid climate of tropical areas whereas tea can be cultivated in both tropical and subtropical areas.

II. Coffee is propagated by seeds but tea is propagated by stem cuttings only.

Which of the statements given above is/are correct?

A I only

B II only

C Both I and II

D Neither I nor II

View Answer Comment

Answer: Option [A]

115 The nutritional deficiency condition that needs to be given top priority for remedial action in India today is

A Rickets

B Scurvy

C Pellagra

D Xerophthalmia

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Answer: Option [D]

116 Oxygen transportation in a human body takes place through

I. Blood

II. Lungs

III. Tissue

The correct sequence of transportation is

A I, II, III

B III, I, II

C II, I, III

D I, III, II

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Answer: Option [C]

117 Which one of the following statements is correct?

A Rickettsias lack cell wall

B Viroids consist of single-stranded RNA molecule

C Prions are the smallest free-living cells.

D The call wall of Mycoplasma is made up of amino sugars.

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Answer: Option [B]

118 Consider the following statements:

I. Sweet orange plant is propagated by grafting technique.

II. Jasmine plant is propagated by layering technique.

Which of the statements given above is/are correct?

A I only

B II only

C Both I and II

D Neither I nor II

View Answer Comment

Answer: Option [C]

119 Consider the following statements:

I. Meningococcal Meningitis is transmitted from person to person by mosquito bites.

II. Vomiting and neck pain are two of the symptoms of Meningococcal Meningitis.

Which of the statements given above is/are correct?

A I only

B II only

C Both I and II

D Neither I nor II

View Answer Comment

Answer: Option [B]

120 Consider the following kinds of organisms:

I. Bacteria

II. Fungi

III. Flowering plants

Some species of which of the above kinds of organisms are employed as bio pesticides?

A I only

B II and III only

C I and III only

D I, II and III

View Answer Comment

Answer: Option [D]

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