NECO Biology Past Questions & Answers

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1.

Fibrinogen and prothrombin play important roles in the

A.

deamination of proteins

B.

clotting of blood

C.

detoxication of substances

D.

storage of vitamins

Correct answer is B

No explanation has been provided for this answer.

2.

The largest amount of yolk is found in the egg of

A.

amphibians

B.

pisces

C.

repitles

D.

aves

Correct answer is D

No explanation has been provided for this answer.

3.

If the cross of a red-flowered plant with a white flowered plant produces a pink flowered plant, this is an example of

A.

codominance

B.

incomplete dominance

C.

mutation

D.

linkage

Correct answer is B

No explanation has been provided for this answer.

4.

The following processes release carbondioxide into the atmosphere EXCEPT

A.

combustion

B.

decomposition

C.

putrefaction

D.

respiration

E.

transpiration

Correct answer is E

No explanation has been provided for this answer.

5.

Digested food is carried from small intestine to the liver by the

A.

hepatic artery

B.

hepatic portal vein

C.

hepatic vein

D.

inferior vena cava

E.

superior vena cava

Correct answer is B

No explanation has been provided for this answer.

6.

Plants use Nitrogen in the form of

A.

ammonia

B.

ammonium

C.

nitrates

D.

nitrites

E.

urea

Correct answer is C

No explanation has been provided for this answer.

7.

Which of the following enzymes act on carbohydrates?

A.

Amylase

B.

Lipase

C.

Pepsin

D.

Renin

E.

Trypsin

Correct answer is A

No explanation has been provided for this answer.

8.

These groups of bacteria are harmless EXCEPT

A.

denitrifying

B.

nitrifying

C.

nitrogen-fixing

D.

parasitic

E.

saprophytic

Correct answer is D

No explanation has been provided for this answer.

9.

Which of the following is a characteristic of mollusc?

A.

Bodies are protected by hard exoskeleton

B.

Bodies are segmented

C.

Body walls have three layers

D.

Presence of paired jointed appendages

E.

The head bears a pair of antennae

Correct answer is C

No explanation has been provided for this answer.

10.

These animals exhibit camouflage EXCEPT

A.

chameleon

B.

crab

C.

crocodile

D.

lizard

E.

snake

Correct answer is B

No explanation has been provided for this answer.