Kenya KCSE · Biology
Genetics, reproduction and ecology
10 practice questions, each with the answer and an explanation.
Practise Genetics, reproduction and ecology now
Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.
All 10 questions
- In humans, how many chromosomes are in a normal body cell?
- A cross between two heterozygous tall pea plants (Tt x Tt) gives what proportion of tall offspring?
- Colour blindness is more common in males than females because the gene is
- A woman who is a carrier of haemophilia marries a normal man. What proportion of their sons is expected to have haemophilia?
- Which process produces gametes with half the chromosome number?
- Which of the following is an example of a primary consumer?
- In the food chain grass, grasshopper, frog, snake, which organism has the least energy available to it?
- The relationship between a tick and the cow on which it feeds is called
- The nitrogen-fixing bacteria Rhizobium live in
- Which method of birth control also gives protection against sexually transmitted infections?
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