JAMB Biology Past Questions & Answers - Page 70

346.

The possession of chloroplast in Euglena virids enables it to

A.

Store starch

B.

Carry out photosynthesis

C.

Reproduce

D.

Respond to light

Correct answer is B

Euglena vivids possess chloroplast (plants feature) in order for it to carry out photosynthesis.

347.

The organism above can be found in

A.

Arid land

B.

Secluded environments

C.

Aquatic habitation

D.

Moist environments

Correct answer is D

It is found in moist environments because of its adaptive features.

348.

The part labeled III in the above diagram is

A.

Root

B.

Gills

C.

Hyphae

D.

Rhizoids

Correct answer is C

Hyphae in a mushroom is a vegetative body part made up of tiny and delicate threads containing nuclei.

349.

Which of the following describes an example of fertilization in higher organisms

A.

Fusion of sperm and egg nuclei

B.

Pollen grain landing on a sticky stigma

C.

Ejaculation of the egg and pollen grain

D.

Ejaculation of sperm into the female body

Correct answer is A

Fusion of sperm and egg nuclei is an example of fertilization in mammals.

350.

The male sex cells also called gametes are produced in the testes by a process called

A.

Gametogenesis

B.

Implantation

C.

Spermatogenesis

D.

Spermatozoa

Correct answer is C

Spermatogenesis is the process whereby male sex cells or gametes (sperms) are produced in the testis.