Friday, April 19, 2019

WBCS Polity and Constitution MCQs Prelims and Mains

Biology MCQs For WBCS and Other Govt Exams P13


Page 13

1366121. What is a bacteriophage?
A
A fungus causing disease
B
A phagocytic protozoa
C
A virus
D
A bacterium growing in an artificial nutrient medium
C
Correct Answer: C. A virus
1258122. Crossing over occurs during meiosis at
A
Pachytene
B
Diakinesis
C
Leptotene
D
Anaphase -I
A
Correct Answer: A. Pachytene
1295123. Which one of the following animal possesses the least number of body segments?
A
Prawn
B
Cockroach
C
Flatworm
D
Earthworm
B
Correct Answer: B. Cockroach
1355124. Transfer of pollen from the anther to the stigma of the same flower is referred to as
A
Xenogamy
B
Autogamy
C
Allogamy
D
Geitonogamy
B
Correct Answer: B. Autogamy
1301125. Grub is the larva of
A
Beetle
B
Sponges
C
Insects
D
Crustacea
A
Correct Answer: A. Beetle
1284126. Yellowing of plant leaves is called chlorosis, insufficiency of which one causes it?
A
Calcium
B
Magnesium
C
Sodium
D
Phosphorus
B
Correct Answer: B. Magnesium
1369127. Pitcher plant is
A
Insectivorous
B
Actinomorphic
C
Heterotrophic
D
Autotrophic
A
Correct Answer: A. Insectivorous
1377128. Which one of the following is an endemic plant?
A
Phoenix Paludosa
B
Kydia Calycina
C
Quercus Incana
D
Eleusine Coracana
D
Correct Answer: D. Eleusine Coracana
1261129. Which one of the following is a protozoan?
A
Yeast
B
Variola
C
Pea mosaic
D
Entamoeba Hystolytica
D
Correct Answer: D. Entamoeba Hystolytica
1345130. The identifying features of carrot roots are
A
Round with small roots
B
Irregular with no small roots
C
Conical with small roots
D
Conical without small roots
D
Correct Answer: D. Conical without small roots



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