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 41· Cellular activities· JAMB
Mitosis produces
Explanation and discussion
Question 42· Cellular activities· JAMB
DNA is replicated during
Explanation and discussion
Question 43· Cellular activities· JAMB
In the experiment shown, the level of liquid in the tube rises because
Explanation and discussion
Question 44· Cellular activities· JAMB
A plant cell placed in a hypotonic solution becomes
Explanation and discussion
Question 45· Cellular activities· JAMB
A plant cell placed in a concentrated salt solution will:
Explanation and discussion
Question 46· Cellular activities· JAMB
Phagocytosis is the process by which a cell
Explanation and discussion
Question 47· Cellular activities· JAMB
The movement of water molecules across a semi-permeable membrane from a dilute to a concentrated solution is:
Explanation and discussion
Question 48· Cellular activities· JAMB
The rate of diffusion of a substance increases when the
Explanation and discussion
Question 49· Cellular activities· JAMB
Most human enzymes work best at about
Explanation and discussion
Question 50· Cellular activities· JAMB
Most enzymes are denatured by
Explanation and discussion
Question 51· Cellular activities· JAMB
Crossing over between homologous chromosomes occurs during
Explanation and discussion
Question 52· Cellular activities· JAMB
Turgidity of plant cells helps to
Explanation and discussion
Question 53· Cellular activities· JAMB
A human cell with 46 chromosomes undergoes meiosis. Each cell produced has
Explanation and discussion
Question 54· Cellular activities· JAMB
Plasmolysis of a plant cell occurs when it is placed in a
Explanation and discussion
Question 55· Cellular activities· JAMB
The stage of mitosis at which chromosomes line up at the equator of the cell is:
Explanation and discussion
Question 56· Cellular activities· JAMB
Meiosis takes place during the
Explanation and discussion
Question 57· Cellular activities· JAMB
The stage of mitosis at which the chromatids separate and move to opposite poles is
Explanation and discussion
Question 58· Cellular activities· JAMB
Each enzyme acts on only one substrate or type of substrate. This shows that enzymes are
Explanation and discussion
Question 59· Cellular activities· JAMB
Phagocytosis is
Explanation and discussion
Question 60· Cellular activities· JAMB
Pinocytosis is the intake of
Explanation and discussion

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JAMB Biology questions

Mitosis produces

DNA is replicated during

In the experiment shown, the level of liquid in the tube rises because

A plant cell placed in a hypotonic solution becomes

A plant cell placed in a concentrated salt solution will:

Phagocytosis is the process by which a cell

The movement of water molecules across a semi-permeable membrane from a dilute to a concentrated solution is:

The rate of diffusion of a substance increases when the

Most human enzymes work best at about

Most enzymes are denatured by

Crossing over between homologous chromosomes occurs during

Turgidity of plant cells helps to

A human cell with 46 chromosomes undergoes meiosis. Each cell produced has

Plasmolysis of a plant cell occurs when it is placed in a

The stage of mitosis at which chromosomes line up at the equator of the cell is:

Meiosis takes place during the

The stage of mitosis at which the chromatids separate and move to opposite poles is

Each enzyme acts on only one substrate or type of substrate. This shows that enzymes are

Phagocytosis is

Pinocytosis is the intake of