CSAT Prelims Biology - General Knowledge Questions and Answers for UPSC Exam | Page-7

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Questions
61 Pneumoconiosis affects the workers who mainly in
A Distilleries
B Tanneries
C Glass industry
D Coal mining industry

Answer: Option [D]
62 Ticks and mites are actually
A Arachnids
B Insects
C Myriapods
D Crustaceans

Answer: Option [A]
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63 Which one of the following statements regarding starch and cellulose is not correct?
A Both of them are polymers
B Both of them are of plant origin
C Both of them give colour with iodine
D Both of them are made up of glucose molecules

Answer: Option [C]
64 Consider the following statements:
I. The common blue green algae, Spirogyra and Ulothrix, are found in both fresh water ponds and oceans.
II. The Chameleon can look ahead with one eye and at the same time look behind with another.

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]
65 Given below are the names of four energy crops. Which one of them can be cultivated for ethanol?
A Sunflower
B Pongamia
C Jatropha
D Maize

Answer: Option [D]
66 Consider the following organisms:
I. Agaricus
II. Nostoc
III. Spirogyra

Which of the above is/are used as biofertilizer/biofertilizers?

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

Answer: Option [B]
67 The major component of honey is
A fructose
B maltose
C sucrose
D glucose

Answer: Option [A]
68 With reference to the human body, consider the following statements:
I. The production of somatotropin goes up when a person exercises.
II. Men’s testes produce progesterone
III. Woman’s adrenal glands secrete testosterone.
IV. Stress causes the adrenals to release very less amount of cortisol than usual.

Which of these statements are correct?

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

Answer: Option [A]
69 Consider the following statements:
I. Toothless mammals such as Pangolins are not found in India.
II. Gibbon is the only ape found in India.

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

Answer: Option [B]
70 Microbial fuel cells are considered a source of sustainable energy. Why?
I. They use living organisms as catalysts to generate electricity from certain substrates.
II. They use a variety of inorganic materials as substrates.
III. They can be installed in waste water treatment plants to cleanse water and produce electricity.

Which of the following 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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