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Here are some sample GCSE biology exam questions and answers from our library.
17 sample GCSE biology questions
1. Fill in the gaps using the appropriate words from the list below: “Respiration requires glucose and _______________ to produce energy. Cells use _______________ as a form of energy that can be used to perform _______________ life functions such as: to build, _______________ and reproduce.”
– carbon dioxide
– essential
– oxygen
– diffusion
– some
– repair
– ATP
2. True or false: plant disease cannot be caused by microbes
3. True or false: plant disease can be caused by insects
4. True or false: stunted growth is a common sign of plant disease
5. True or false: distorted leaves are not a common sign of plant disease
6. What four factors affect the rate of reaction between enzymes and substrates?
7. The illustration shows a nephron that is found in the kidneys. Give the name of “f.”
8. Fill the gap with a suitable word: “Cytosine always base pairs with _______.”
9. Which gland secretes ADH in response to high water levels in the blood?
– Adrenal gland
– Hypothalamus
– Thyroid gland
– Pituitary gland
10. If the image size of the mite is 150mm and the magnification is x 100, what is the actual size of this mite?
11. State whether the following statements are true for mitosis or meiosis
– Has four daughter cells as a result of genetic separation
– Has two daughter cells as a result of genetic separation
– This happens in gamete formation for sexual reproduction
– This happens in cell growth and repair
– Daughter cells contain identical sets of chromosomes
– Daughter cells contain variation
12. A cow has eaten 120 kJ of stored energy in the form of grass. It excretes 48 kJ in the form of faeces, gas and urine. The energy stored in the cow’s body is 4 kJ. Find the efficiency of energy transfer to one decimal place.
Answers to our GCSE biology questions
1. Oxygen, ATP, essential, repair
2. False
3. True
4. True
5. False
6. Temperature, pH, enzyme concentration and substrate concentration
7. Collecting duct
8. Guanine
9. Pituitary gland
10. 1.5mm
11. Meiosis
12. Mitosis
13. Meiosis
14. Mitosis
15. Mitosis
16. Meiosis
17. 3.3%
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Written by Ryan Lockett, director of studies at TLC LIVE.