Friday, April 19, 2019

WBCS Polity and Constitution MCQs Prelims and Mains

WBCS Preliminary MCQs on General Science | Biology P10


Page 10

139991. The digested food is absorbed in
A
Intestine (Large)
B
Colon
C
Stomach
D
Intestine (small)
D
Correct Answer: D. Intestine (small)
251892. Potato is a
A
root
B
fruit
C
tuber
D
bulb
C
Correct Answer: C. tuber
126893. Carcinoma is cancer originating from
A
Muscular tissue
B
Nerve tissue
C
Epithelial tissue
D
Connective tissue
C
Correct Answer: C. Epithelial tissue
138094. Which of the following is not a physical change?
A
Dissolving sugar in tea
B
Buring of wax in a candle
C
Dehydrating milk to get milk powder
D
Sublimation of iodine
B
Correct Answer: B. Buring of wax in a candle
137895. Which of the following is the hardest substance in the human body?
A
Bone
B
Nail
C
Dentine
D
Enamel
D
Correct Answer: D. Enamel
137996. Edible portion of coconut is the
A
Cotyledon
B
Embryo
C
Fruit wall
D
Endosperm
D
Correct Answer: D. Endosperm
144397. The Pyrimidine bases in a DNA are:
A
Cytosine and Guanine
B
Thymine and Cytosine
C
Adenine and Guanine
D
Thymine and Adenine
B
Correct Answer: B. Thymine and Cytosine
128598. Urea is produced in the body of a man in
A
Kidney
B
Hemoglobin
C
Liver
D
Urinary Bladder
C
Correct Answer: C. Liver
139399. Which of the following is the producer in a pond ecosystem?
A
Herbivores
B
Carnivores
C
Phytoplankton
D
Zooplankton
C
Correct Answer: C. Phytoplankton
2502100. The main air pollutant[s] in metropolitan cities is/are
A
O3
B
CO
C
CO2, SO2 and NO2
D
None
C
Correct Answer: C. CO2, SO2 and NO2



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