JAMB Biology Past Questions & Answers - Page 177

881.


The F1 of a cross between a tall and a dwarf plant was tall. The F1 was advanced to F2. How many of 120F2 plants will be dwarf?

A.

30

B.

60

C.

90

D.

120

Correct answer is A

No explanation has been provided for this answer.

882.

The specific number of chromosomes in each somatic cell is represented by

A.

2N

B.

 23

C.

2N

D.

N

Correct answer is C

No explanation has been provided for this answer.

883.

The structure labelled I is the

A.

Golgi body

B.

mitochondrion

C.

endoplasmic reticulum

D.

vacuole

Correct answer is C

No explanation has been provided for this answer.

884.

Protein is synthesized in the part labelled

A.

I

B.

II

C.

III

D.

IV

Correct answer is A

No explanation has been provided for this answer.

885.

The part labelled I and II constitute the 

A.

Crown

B.

neck

C.

root

D.

gum

Correct answer is A

No explanation has been provided for this answer.