PSC Online Preparations of General Science | Biology P6

<< Prev BIOLOGYNext >>

---

Page 6

133551. Cranial nerve in mammals are

A

12 pairs

B

12

C

10 pairs

D

10

A

Correct Answer: A. 12 pairs

130752. The animal group that is not found in marine water

A

Reptiles

B

Ayes

C

Mammals

D

Amphibia

D

Correct Answer: D. Amphibia

252153. Microscope is used for the study which of the following?

A

distant objects

B

nearby objects

C

small objects

D

micro and nearby objects

D

Correct Answer: D. micro and nearby objects

132154. Of the twenty amino acids how many are considered essential?

A

Twelve

B

Fourteen

C

Six

D

Eight

D

Correct Answer: D. Eight

125755. The longest cell in animals is

A

Blood cell

B

Muscle cell Important

C

Nerve cell

D

Hepatocyte (liver cell)

C

Correct Answer: C. Nerve cell
Explanation: Neurons are the longest nerve cell in an animal that had the ability to be stimulated by electrical or chemical stimulation. These cells help in communication inside the body. These cells are found in animals other than sponges where plants and fungi lack these cells.

135356. Spindle fibers are made up of

A

Cellulose

B

Chitin

C

Flagellin

D

Tubulin

D

Correct Answer: D. Tubulin

140157. Gynobasic style is present in which family?

A

Labiatae

B

Orchidaceae

C

Mawaceae

D

Solanaceae

D

Correct Answer: D. Solanaceae

125958. According to a cellular structure which one of the following is most complex?

A

Algae

B

Fungi

C

Bacteria

D

Protozoa

B

Correct Answer: B. Fungi

127759. Which of the following is an infectious bacterial disease?

A

Influenza

B

Measles

C

Conjunctivitis

D

Diphtheria

D

Correct Answer: D. Diphtheria

136060. Haversian system is a part of

A

Heart

B

Brain

C

Kidney

D

Bone

D

Correct Answer: D. Bone

---

<< Prev BIOLOGYNext >>