WAEC Biology Past Questions & Answers - Page 299

1,491.

One of the differences between plants and animals is that

A.

growth is indefinite in animals but definite in plants

B.

nutrition is autotrophic in plants but holophytic in animals

C.

in plants there are excretory systems but in animals waste products are stored away

D.

plants react slowly to external stimuli while animals react more quickly

E.

respiration takes place in animals but does not take place in plants

Correct answer is D

No explanation has been provided for this answer.

1,492.

Which of the following is not a cell organelle?

A.

Golgi body

B.

Nucleus

C.

Fat droplets

D.

Ribosome

E.

Endoplasmic reticulum

Correct answer is C

No explanation has been provided for this answer.

1,493.

A few drops of fehling’s solution was added to juice extracted from fresh maize grain and boiled. A red
precipitate was formed, indicating the presence of

A.

alcohol

B.

protein

C.

non-reducing sugar

D.

starch

E.

Endoplasmic reticulum

Correct answer is D

No explanation has been provided for this answer.

1,494.

Which of the following levels of organisation in living things is in the correct sequence, starting from the
most complex to the simplest?

A.

tissue → cell → organ → system

B.

System → organ → tissue → cell

C.

Cell → tissue → system → organ

D.

Cell → tissue → organ → system

E.

Organ → system → tissue → cell

Correct answer is B

No explanation has been provided for this answer.

1,495.

Ultrafiltration process at the Bowman’s capsule is facilitated by

A.

the volume of water in the blood

B.

the high concentration of urea in the blood of the Bowman’s capsule

C.

the differential blood pressure between the glomerulus and the Bowman’s capsule

D.

the differential blood volume between the glomerulus and the Bowman’s capsule

E.

heavy weight of the urea, water, glucose and amino acids in the Bowman’s capsule

Correct answer is C

No explanation has been provided for this answer.