Biology MCQs For WBCS and Other Govt Exams P13

<< Prev BIOLOGYNext >>

---

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

---

<< Prev BIOLOGYNext >>