JAMB Biology questions

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

All topics Cell structure and organisation · 30 Cellular activities · 32 Co-ordination and control · 31 Ecology · 38 Evolution · 27 Excretion · 30 Growth · 27 Heredity and variation · 36 Nutrition · 34 Reproduction · 33 Respiration · 30 Support and movement · 28 Transport · 30 Variety of organisms · 32

Question 381· Transport· JAMB
Root pressure and transpiration pull together explain
Show answer
Answer: C. the rise of water in the xylem
Explanation and discussion
Question 382· Transport· JAMB
The chamber of the heart that pumps blood to the whole body is the
Show answer
Answer: D. left ventricle
Explanation and discussion
Question 383· Transport· JAMB
Haemoglobin combines with oxygen to form
Show answer
Answer: A. oxyhaemoglobin
Explanation and discussion
Question 384· Transport· JAMB
Which blood vessels contain valves along their length?
Show answer
Answer: B. veins
Explanation and discussion
Question 385· Transport· JAMB
Most carbon(IV) oxide is transported in the blood as
Show answer
Answer: D. hydrogencarbonate ions in the plasma
Explanation and discussion
Question 386· Transport· JAMB
Water enters the root hairs of a plant mainly by
Show answer
Answer: C. osmosis
Explanation and discussion
Question 387· Transport· JAMB
A person with blood group O is called a universal donor because the red cells
Show answer
Answer: C. carry neither antigen A nor antigen B
Explanation and discussion
Question 388· Transport· JAMB
Which of the following increases the rate of transpiration?
Show answer
Answer: D. moving air (wind)
Explanation and discussion
Question 389· Transport· JAMB
The lymphatic system
Show answer
Answer: C. returns excess tissue fluid to the blood
Explanation and discussion
Question 390· Transport· JAMB
Xylem vessels are
Show answer
Answer: D. dead, hollow tubes strengthened with lignin
Explanation and discussion
Question 391· Transport· JAMB
The loss of liquid water as droplets from the leaf margins of some plants is called
Show answer
Answer: B. guttation
Explanation and discussion
Question 392· Transport· JAMB
Water moves up the stem of a plant mainly through the:
Show answer
Answer: A. xylem
Explanation and discussion
Question 393· Transport· JAMB
Manufactured food is moved from the leaves to other parts of a plant through the
Show answer
Answer: C. phloem
Explanation and discussion
Question 394· Transport· JAMB
Antibodies are produced by
Show answer
Answer: D. lymphocytes
Explanation and discussion
Question 395· Transport· JAMB
Blood pressure is highest in the
Show answer
Answer: B. arteries
Explanation and discussion
Question 396· Transport· JAMB
Haemoglobin contains the element
Show answer
Answer: B. iron
Explanation and discussion
Question 397· Transport· JAMB
A person of blood group AB can safely receive blood of
Show answer
Answer: A. any ABO group
Explanation and discussion
Question 398· Transport· JAMB
The tricuspid valve lies between the
Show answer
Answer: B. right atrium and right ventricle
Explanation and discussion
Question 399· Transport· JAMB
A potometer is used to measure the rate of
Show answer
Answer: A. water uptake by a leafy shoot
Explanation and discussion
Question 400· Transport· JAMB
The blood cells that help in blood clotting are the
Show answer
Answer: A. platelets
Explanation and discussion

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

Start a Biology test

JAMB Biology questions

Root pressure and transpiration pull together explain

The chamber of the heart that pumps blood to the whole body is the

Haemoglobin combines with oxygen to form

Which blood vessels contain valves along their length?

Most carbon(IV) oxide is transported in the blood as

Water enters the root hairs of a plant mainly by

A person with blood group O is called a universal donor because the red cells

Which of the following increases the rate of transpiration?

The lymphatic system

Xylem vessels are

The loss of liquid water as droplets from the leaf margins of some plants is called

Water moves up the stem of a plant mainly through the:

Manufactured food is moved from the leaves to other parts of a plant through the

Antibodies are produced by

Blood pressure is highest in the

Haemoglobin contains the element

A person of blood group AB can safely receive blood of

The tricuspid valve lies between the

A potometer is used to measure the rate of

The blood cells that help in blood clotting are the