OCR GCSE (9-1) Gateway Biology Questions and Answers

1. Which two substances are products of anaerobic respiration in yeast? 

A) Carbon dioxide and ethanol 

B) Carbon dioxide and water 

C) Oxygen and ethanol 

D) Oxygen and water

2) Look at the diagram. It shows the particles dissolved in two solutions

The particles can diffuse through the permeable membrane. Which statement about the particles is true in this diagram?


A) Particles move in both directions across the permeable membrane. 

B) Particles only move from X to Y. 

C) Particles only move from Y to X. 

D) Particles stop moving when the concentrations become equal.

3. DNA is a polymer. What is the name of the monomer in DNA? 

A) Base B) Deoxyribose sugar C) Nucleotide D) Phosphate

4. A student uses a microscope to look at plant cells on a slide. Which of these methods should they use first? 

A) Highest power objective lens and focus moving the lens away from the slide

B) Highest power objective lens and focus moving the lens towards the slide

C) Lowest power objective lens and focus moving the lens away from the slide 

D) Lowest power objective lens and focus moving the lens towards the slide

5. The microscope used by the student has an eyepiece lens with a magnification of 10×. Which objective lens would give an image magnification of 200×?

 A) 10× B) 20× C) 30× D) 200×

6 Which type of human cell is shown in this diagram?

A) Egg cells B) Red blood cells C) Sperm cells D) White blood cells

7. The diagram shows a variegated leaf.

8. DNA is made of two complementary strands. The diagram shows part of one strand of DNA. Which base sequence would be found on the complementary strand of this DNA?

A) A C T 

B) C A G 

C) G A C 

D) T G A

 9 . Seedlings were grown with a light-proof cap over the tip. The seedlings had light from one direction only

10. A student wants to test for protein. What would they use to test for protein? 

A) Benedict’s reagent 

B) Biuret reagent 

C) Iodine solution 

D) Ethanol

11. Which of these can be used to treat type 2 diabetes but not type 1? 

A) Diet and exercise 

B) Exercise only 

C) Insulin and diet 

D) Insulin, diet and exercise

12. Why do plant root hair cells use active transport to take in minerals? 

A) Minerals are dissolved in water in the soil. 

B)  Minerals are needed by the plant in very low concentrations.

C) Minerals are present at very high concentrations in the soil. 

D) Minerals are present at very low concentrations in the soil.

13. Which one of these stages comes first during mitosis? 

A) The nuclear membrane forms.

B) The nuclear membrane breaks down. 

C) Chromosomes separate. 

D) Chromosomes line up on the equator.

14. Plant roots respond to gravity by growing downwards. What is this response called?

A) Negative gravitropism 

B) Negative phototropism 

C) Positive gravitropism 

D) Positive phototropism

15. Transpiration has a cooling effect on the leaves of plants. Which statement best describes how this happens? 

A) Evaporation of water from the leaf removes heat energy. 

B)  Water entering the stomata takes heat energy from the leaf surface.

C) Water dripping off the leaf causes heat energy to be lost.

D)  Water falling on the leaf removes heat energy



Post a Comment

Previous Post Next Post