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CSAT Prelims Biology - General Knowledge Questions and Answers for UPSC Exam | Page-10

91 Among the following, which one is not an ape?
A Langur
B Gorilla
C Gibbon
D Orangutan

Answer: Option [A]
92 Widespread resistance of malaria parasite to drugs like chloroquine has prompted attempts to combat malaria. Why is it difficult to develop an effective malaria vaccine?
A Malaria is caused by several species of Plasmodium.
B Vaccines can be developed only against bacteria.
C Man does not develop immunity to malaria during natural infection.
D Man is only an intermediate host and not the definitive host.

Answer: Option [C]


93 A tree species in Mauritius failed to reproduce because of the extinction of a fruit-eating bird. Which one of the following was that bird?
A Skua
B Dove
C Condor
D Dodo

Answer: Option [D]
94 Which one of the following sets is correctly matched?
I. Diphtheria, Pneumonia and Leprosy     :    Hereditary
II. AIDS, Syphilis and Gonorrhoea    :    Bacterial
III. Colour blindness, Haemophilia and Sickle cell anaemia    :    Sex linked
IV. Polio, Japanese B encephalitis and Plague    :    viral

A II only
B III only
C I and IV
D None of these

Answer: Option [D]
95 Which one of the following parts of the pitcher plant becomes modified into a pitcher?
A Leaf
B Stipule
C Stem
D Petiole

Answer: Option [A]
96 Consider the following plants
I. Bougainvillea
II. Carnations
III. Cocoa
IV. Grapes

Which of these plants are propagated by stem cuttings?

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

Answer: Option [C]
97 The normal temperature of human on Kelvin scale is
A 280
B 290
C 300
D 310

Answer: Option [D]
98 With reference to the work of human kidney, consider the following statements
I. After the waste is removed in the kidney, the clean blood is sent back through renal artery.
II. From Bowman’s capsule, the filtered liquid passes through tiny tubes where much of the glucose is reabsorbed and sent back to the blood in the renal vein.

Which of these statements is/are correct?

A I only
B II only
C Both I and II
D Neither I nor II

Answer: Option [B]
99 With reference to normal human beings, consider the following statements:
I. In response to the presence of HCL, secretin is produced from the duodenum.
II. Enterogastrone is produced in the small intestine in response to the presence of fatty acids.

Which of these statements is/are correct?

A I only
B II only
C Both I and II
D Neither I nor II

Answer: Option [C]
100 A company marketing food products advertises that its items do not contain trans-fats. What does this campaign signify to the customers?
I. The food products are not made out of hydrogenated oils.
II. The food products are not made out of animal fats/oils.
III. The oils used are not likely to damage the cardiovascular health of the consumers.

Which of the statements given above is/are correct?

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

Answer: Option [D]

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