Friday, April 19, 2019

WBCS Polity and Constitution MCQs Prelims and Mains

Biology MCQ For WBCS Prelims and Mains P3


Page 3

138721. The 'Theory of Natural Selection' was proposed by
A
A. I. Oparin
B
C. R. Darwin
C
J. B. S. Haldane
D
G. J. Mendel
B
Correct Answer: B. C. R. Darwin
125522. A plant cell shrinks when placed in
A
A hypertonic solution
B
A hypotonic solution
C
Water
D
A solution is isotonic with the cell sap
A
Correct Answer: A. A hypertonic solution
252023. A person of which blood group can be a universal donor?
A
O
B
A
C
B
D
AB
A
Correct Answer: A. O
143324. The greenhouse effect is caused by the addition of too much of this compound in the atmosphere
A
Water vapor
B
Dust Particles
C
Carbon dioxide
D
Ammonia
C
Correct Answer: C. Carbon dioxide
133425. Majority of animal-viruses contain
A
RNA and DNA
B
RNA
C
DNA
D
None of the above
C
Correct Answer: C. DNA
129426. Which one of the following is a Reptile?
A
Newt
B
Shark
C
Salamander
D
Turtle
D
Correct Answer: D. Turtle
140927. During cell division, DNA synthesis takes place in
A
Prophase
B
Telopliage
C
Interphase
D
Anaphase
C
Correct Answer: C. Interphase
141428. The portion of the carapace which covers the gill of prawn is known as
A
Branchiostegite
B
Branchiostegal spine
C
Bronchus
D
Branchiostegal membrane
D
Correct Answer: D. Branchiostegal membrane
128129. The number of cervical vertebrae in a mammal is
A
Seventy-seven
B
Eleven
C
Seven
D
Seventeen
C
Correct Answer: C. Seven
141130. The total mass of all the organisms of given type and/or in a given area is called
A
Biomarker
B
Biosensor
C
Biome
D
Biomass
D
Correct Answer: D. Biomass



email

0 Comments:

Post a Comment