JAMB Biology Past Questions & Answers - Page 379

1,891.

There will be agglutination when the

A.

Group A serum mixes with Group A erythrocytes

B.

Group A serum mixes with group B erythrocytes

C.

Group AB serum mixes with Group O erythrocytes

D.

Group B serum mixes with Group B erythrocytes

Correct answer is B

No explanation has been provided for this answer.

1,892.

The seedlings in a rice field were found to have thin lanky growth with reddish leaves and poor root development. This is because the soil lacks

A.

sulphur

B.

phosphorus

C.

potassium

D.

iron

Correct answer is B

No explanation has been provided for this answer.

1,893.

Aged erythrocytes are dissolved in the

A.

pancreas

B.

liver

C.

lymph nodes

D.

kidney

Correct answer is B

No explanation has been provided for this answer.

1,894.

The pancreatic juice contains the enzymes amylopsin,

A.

pepsin, and trpsinogen

B.

rennin, and steapsin

C.

steapsin, and trypsinogen

D.

steapsin, and ptyalin

Correct answer is C

No explanation has been provided for this answer.

1,895.

Refrigeration, as a method of preservation, has ONE of the following characteristics:

A.

Kills all the bacteria

B.

Kill most of the bacteria

C.

Makes the bacteria inactive

D.

Dries food

E.

Hydrolyses food

Correct answer is C

No explanation has been provided for this answer.