Jamb Biology Past Questions For Year 2002
Question 6
The structure that is common in the embryos of mammals, amphibians, birds, fishes and reptiles and which is an evidence of their common ancestry is the
- A. eye
- B. chorion
- C. allantois
- D. gill-silts
Question 7
Which of the following pairs of organ is located in the anterior half of the mammalian body cavity?
- A. Kidneys and lungs
- B. Heart and ovary
- C. Lungs and heart
- D. Kidneys and heart
Question 8
When a marine fish was taken from the ocean and put in a tank of fresh water, it died after a short period because
- A. the tank was too small compare to the large ocean
- B. the body cells of the fish swelled and burst as a result of the hypotonic fresh water
- C. the body cells of the fish shrank as their sap was hypertonic to the fresh water
- D. there was no food in the tank, so the starved.
Question 9
The experimental set-up can be used to demonstrate that
- A. light is necessary for photosynthesis
- B. oxygen is necessary for photosynthesis
- C. photosynthesis occurs in the leaves of plants
- D. carbon (IV) oxide is necessary for photosynthesis
Question 10
Which of the following statement is correct about the experiment?
- A. The flask must be of the conical type
- B. Caustic soda can be replaced with distilled water
- C. The enclosed leaf will lose its green colour
- D. The leaves outside the flask serve as control
