JAMB Biology Past Questions & Answers - Page 302

1,506.

The depth of illumination in a water body can be measured with a

A.

photometer

B.

secchi disc

C.

hydrometer

D.

anemometer

Correct answer is B

No explanation has been provided for this answer.

1,507.

Germination which results in the cotyledons being brought above ground is called

A.

 hypocotyl

B.

epicotyl

C.

epigeal

D.

hypogeal

E.

plumule

Correct answer is C

No explanation has been provided for this answer.

1,508.

A young plant showing yellow leaves is likely NOT to be deficient in? 

A.

calcium

B.

magnesium

C.

potassium

D.

boron

Correct answer is B

Magnesium deficiency appears on older leaves first as they become yellow between the veins and around the edges.

1,509.

The hereditary material in a cell is known as

A.

ADP

B.

CNS

C.

RNA

D.

ATP

E.

DNA

Correct answer is E

No explanation has been provided for this answer.

1,510.

The characters by which an organism is recognized are termed its 

A.

phenotype

B.

genotype

C.

morphology

D.

anatomy

E.

physiology

Correct answer is A

No explanation has been provided for this answer.