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CSAT Prelims Biology - General Knowledge Questions and Answers for UPSC Exam | Page-2

11 In eye donation, which one of the following parts of donor’s eye is utilized?
A Retina
B cornea
C Lens
D Iris

Answer: Option [B]
12 Consumption of fish is considered to be healthy when compared to flash of other animals because fish contains
A essential vitamins
B saturated fatty acids
C polyunsaturated fatty acids
D more carbohydrates and proteins

Answer: Option [C]
13 Antigen is a substance which
A lowers body temperatures
B triggers the immune system
C destroys harmful bacteria
D is used as an antidote to poison

Answer: Option [B]
14 Alpha-keratin is a protein, present in
A Eggs
B Blood
C Lymph
D Skin

Answer: Option [D]
15 The pituitary gland by virtue of its tropic hormones controls the secretary activity of other endocrine glands. Which one of the following endocrine gland can function independent of the pituitary gland?
A Adrenals
B Gonads
C Thyroid
D Parathyroid

Answer: Option [D]
16 People drinking water from a shallow hand pump, are likely to suffer from all of the following diseases except
A Fluorosis
B Jaundice
C Typhoid
D Cholera

Answer: Option [A]
17 Of the four landmarks in medical history given below, which one was the first to take place?
A Test tube baby
B Plastic surgery
C Organ transplant
D Bypass surgery

Answer: Option [B]
18 Mon 863 is a variety of maize. It was in the news for the following reason.
A It is a generally modified variety which is pest resistant
B It is generally modified dwarf variety which is resistant to drought
C It is a genetically modified variety used exclusively for bio-fuel production
D It is a generally modified variety with ten times higher protein content than regular maize crop

Answer: Option [A]
19 Consider the following statements:
I. The boundaries of a National Park are defined by legislation.
II. A Biosphere Reserve is declared to converse a few specific species of flora and fauna.
III. In a Wildlife Sanctuary, limited biotic interference is permitted.

Which of the statements given above is/are correct?

A I only
B II and III only
C I and III
D I, II and III

Answer: Option [C]
20 Which of the following elements are present in all proteins?
I. Carbon
II. Hydrogen
III. Oxygen
IV. Nitrogen


A II and III
B I, II and IV
C I, III and IV
D I, II, III and IV

Answer: Option [D]


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