JAMB Biology Past Questions & Answers - Page 241

1,201.

The stunted growth of a leguminous plant suffering from nitrogen deficiency may be corrected by inoculating the soil with

A.

denitrifying bacteria

B.

Saprophytic bacteria

C.

Rhizobium

D.

Nitrosomonas

Correct answer is C

No explanation has been provided for this answer.

1,202.

The cell component that is present in a prokaryotic cell is the 

A.

Chloroplast

B.

Ribosome

C.

Mitochondrion

D.

Nuclear envelope

Correct answer is B

No explanation has been provided for this answer.

1,203.

An insect whose economic importance is both harmful and beneficial is the

A.

Tsetsefly

B.

Blackfly

C.

Mosquito

D.

Butterfly

Correct answer is D

No explanation has been provided for this answer.

1,204.

Hermaphroditic reproduction can be found among the 

A.

Arthropods and nematodes

B.

Pisces and amphibians

C.

Annelids and molluscs

D.

coelenterates and platyhelminthes

Correct answer is D

Many platyhelminthes (flatworms) reproduce asexually.

Coelenterates reproduce asexually by budding.

1,205.

The similarity among organisms belonging to the same group will be least within each

A.

family

B.

order

C.

kingdom

D.

species

Correct answer is C

No explanation has been provided for this answer.