WAEC Biology questions

353 questions with answers and explanations. Tap an option to check yourself.

All topics Cell structure and organisation · 26 Cellular activities · 24 Co-ordination and control · 27 Ecology · 33 Evolution · 18 Excretion · 22 Growth · 18 Heredity and variation · 24 Nutrition · 30 Reproduction · 29 Respiration · 25 Support and movement · 22 Transport · 27 Variety of organisms · 28

Question 201· Nutrition· WAEC
Most absorption of digested food takes place in the
Explanation and discussion
Question 202· Nutrition· WAEC
Lack of vitamin C in the diet causes
Explanation and discussion
Question 203· Nutrition· WAEC
The enzyme in saliva that begins the digestion of starch is
Explanation and discussion
Question 204· Nutrition· WAEC
Benedict's solution gives a brick-red precipitate on heating with
Explanation and discussion
Question 205· Nutrition· WAEC
The enzyme in human saliva acts on
Explanation and discussion
Question 206· Nutrition· WAEC
Iodine solution turning blue-black shows the presence of
Explanation and discussion
Question 207· Nutrition· WAEC
The by-product of photosynthesis is
Explanation and discussion
Question 208· Nutrition· WAEC
The enzyme pepsin is found in the
Explanation and discussion
Question 209· Nutrition· WAEC
A child with stunted growth, thin limbs and very low body weight from lack of energy foods suffers from
Explanation and discussion
Question 210· Nutrition· WAEC
Lack of iodine in the diet causes
Explanation and discussion
Question 211· Nutrition· WAEC
Bleeding gums and slow healing of wounds in a sailor without fresh fruit on a long voyage point to a lack of
Explanation and discussion
Question 212· Nutrition· WAEC
The dental formula of an adult human shows that the number of molars in each half of each jaw is
Explanation and discussion
Question 213· Nutrition· WAEC
Kwashiorkor in young children is caused mainly by lack of
Explanation and discussion
Question 214· Nutrition· WAEC
Digested food is absorbed mainly through the
Explanation and discussion
Question 215· Nutrition· WAEC
A variegated leaf tested for starch shows starch only in the green parts. This shows that
Explanation and discussion
Question 216· Nutrition· WAEC
Bile helps digestion by
Explanation and discussion
Question 217· Nutrition· WAEC
The raw materials for photosynthesis are
Explanation and discussion
Question 218· Nutrition· WAEC
The enzyme that digests starch in the mouth is
Explanation and discussion
Question 219· Nutrition· WAEC
Deficiency of vitamin C causes
Explanation and discussion
Question 220· Nutrition· WAEC
Mistletoe has green leaves but takes water and minerals from its host tree. It is a
Explanation and discussion

Practise Biology like the real exam. A timed CBT, your score, and the topics to fix.

Start a Biology test

WAEC Biology questions

Most absorption of digested food takes place in the

Lack of vitamin C in the diet causes

The enzyme in saliva that begins the digestion of starch is

Benedict's solution gives a brick-red precipitate on heating with

The enzyme in human saliva acts on

Iodine solution turning blue-black shows the presence of

The by-product of photosynthesis is

The enzyme pepsin is found in the

A child with stunted growth, thin limbs and very low body weight from lack of energy foods suffers from

Lack of iodine in the diet causes

Bleeding gums and slow healing of wounds in a sailor without fresh fruit on a long voyage point to a lack of

The dental formula of an adult human shows that the number of molars in each half of each jaw is

Kwashiorkor in young children is caused mainly by lack of

Digested food is absorbed mainly through the

A variegated leaf tested for starch shows starch only in the green parts. This shows that

Bile helps digestion by

The raw materials for photosynthesis are

The enzyme that digests starch in the mouth is

Deficiency of vitamin C causes

Mistletoe has green leaves but takes water and minerals from its host tree. It is a