GCSE - General Certificate of Secondary Education Cell Biology Questions and Answers

Question 1

A student observes a bacterial cell and a plant cell under a microscope. Which of the following correctly identifies a structure absent in the bacterial cell but present in the plant cell?

Accepted Answer

Mitochondria

Answer

Cell wall

Answer

Ribosomes

Answer

Cytoplasm

Question 2

A red blood cell is placed in a solution with a much lower water concentration than its cytoplasm. What is the most likely outcome for the cell?

Accepted Answer

It will shrink and shrivel.

Answer

It will swell and burst.

Answer

It will remain unchanged.

Answer

It will undergo cell division.

Question 3

A micrograph shows a plant cell that has a length of 50 mm in the image. The magnification used is x1000. What is the actual size of the cell in micrometres (µm)?

Accepted Answer

50 µm

Answer

500 µm

Answer

0.05 µm

Answer

5000 µm

Question 4

Which of the following is the primary reason for mitosis in multicellular organisms?

Accepted Answer

Growth and repair of tissues

Answer

Production of gametes for sexual reproduction

Answer

Creating genetic variation

Answer

Transport of substances across cell membranes

Question 5

A root hair cell is a specialised cell found in plants. Which adaptation allows it to maximise the absorption of water and minerals from the soil?

Accepted Answer

A large surface area to volume ratio

Answer

A thick cell wall to prevent bursting

Answer

A large number of chloroplasts for photosynthesis

Answer

A small, compact shape to penetrate soil

Question 6

What is the primary function of mitochondria within an animal cell?

Accepted Answer

To release energy through aerobic respiration

Answer

To store genetic information and control cell activities

Answer

To synthesise proteins

Answer

To control the movement of substances into and out of the cell

A student observes a bacterial cell and a plant cell under a microscope.Which of the following correctly identifies a structure absent in the bacterial cell but present in the plant cell?

A student observes a bacterial cell and a plant cell under a microscope.
Which of the following correctly identifies a structure absent in the bacterial cell but present in the plant cell?