CSAT Prelims Biology - General Knowledge Questions and Answers for UPSC Exam | Page-14

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Questions
131 The sequencing of the entire genome (the totality of all genes) of an organism was completed in 1996. The organism was:
A yeast
B human being
C albino mouse
D plasmodium vivax

Answer: Option [D]
132 Which of the following genetic diseases is sex-linked?
A Royal haemophilia
B Cystic fibrosis
C Hypertension
D Tay-Sachs disease

Answer: Option [A]
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133 A man whose blood group is not known meets with a serious accident and needs blood transfusion immediately. Which one of the blood groups mentioned below and readily available in the hospital will be safe for transfusion?
A O, Rh-
B O, Rh+
C AB, Rh-
D AB, Rh+

Answer: Option [A]
134 Which of the following would lead to malnutrition?
I. Over nutrition
II. Under nutrition
III. Imbalanced nutrition

Select the correct answer by using the codes given below

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

Answer: Option [D]
135 The blood glucose level is commonly expressed as
A mm. of Hg
B parts per million
C milligram per deciliter
D gram (mg/dl) per litre

Answer: Option [C]
136 Consider the following minerals:
I. Calcium
II. Iron
III. Sodium

Which of the minerals given above is/are required by human body for the contraction of muscles?

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

Answer: Option [C]
137 Which one of the following is the correct sequence in the order of decreasing length of the three structural parts given below of small intestine in the human body?
A Ileum-Jejunum-Duodenum
B Jejunum-Ileum-Duodenum
C Ileum-Duodenum-Jejunum
D Jejunum-Duodenum-Ileum

Answer: Option [A]
138 In addition to fingerprint scanning, which of the following can be used in the biometric identification of a person?
I. Iris scanning
II. Retinal scanning
III. Voice recognition

Select the correct answer using the code given below.

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

Answer: Option [D]
139 With reference to bio-toilets used by the Indian Railways, consider the following statements:
I. The decomposition of human waste in the bio-toilets is initiated by a fungal inoculum.
II. Ammonia and water vapour are the only end products in this decomposition which are released into the atmosphere.

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 [D]
140 Which of the following leaf modifications occurs/occur in desert areas to inhibit water loss?
I. Hard and waxy leaves
II. Tiny leaves or no leaves
III. Thorns instead of leaves

Select the correct answer using the codes given below?

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

Answer: Option [D]

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