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CSAT Prelims Biology - General Knowledge Questions and Answers for UPSC Exam | Page-17

(161) Which one of the following parts of the human brain is the regulating centre for swallowing and vomiting?
[A] Pons
[B] Cerebrum
[C] Cerebellum
[D] Medulla oblongata

Comment

Answer: Option [D]
(162) In the human body, which structure is the appendix attached to?
[A] The stomach
[B] The gall bladder
[C] The large intestine
[D] The small intestine

Comment

Answer: Option [C]

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(163) Which one of the following is not a digestive enzyme in the human system?
[A] Pepsin
[B] Ptyalin
[C] Gastrin
[D] Trypsin

Comment

Answer: Option [C]
(164) How do most insects respire?
[A] Through gills
[B] By lungs
[C] Through skin
[D] By tracheal system

Comment

Answer: Option [D]
(165) In which of the following kinds of organisms is the phenomenon found wherein the female kills the male after copulation?
[A] Spider
[B] Dragonfly
[C] Pit viper
[D] Honeybee

Comment

Answer: Option [A]
(166) The release of which one of the following into ponds and wells helps in controlling the mosquitoes?
[A] Snail
[B] Crab
[C] Dogfish
[D] Gambusia fish

Comment

Answer: Option [D]
(167) The Panda belongs to the same family as that of
[A] Bear
[B] Dog
[C] Cat
[D] Rabbit

Comment

Answer: Option [A]
(168) What is the average fat content of buffalo milk?
[A] 7.2%
[B] 4.5%
[C] 9.0%
[D] 10.0%

Comment

Answer: Option [A]
(169) Consider the following pairs:

       Vitamin          Deficiency disease

I. Vitamin C      :     Scurvy
II. Vitamin D     :     Rickets
III. Vitamin E     :     Night blindness

Which of the pairs given above is/are correctly matched?

[A] I and II
[B] III
[C] I, II and III
[D] none

Comment

Answer: Option [A]
(170) Match List-I (Physiological processes) with List-II (Cell organelles) and select the correct answers by using the codes given below:

       List-I                        List-II

I. Photosynthesis         :     a. Plasma membrane
II. Mineral uptake         :     b. Chloroplast
III. Respiration              :     c. Mitochondria
IV. Protein synthesis     :     d. Ribosomes

Which of the pairs given above is/are correctly matched?

[A] I-a; II-b; III-c; IV-d
[B] I-a; II-b; III-d; IV-III
[C] I-b; II-a; III-c; IV-d
[D] I-b; II-a; III-d; IV-b

Comment

Answer: Option [C]

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