Jamb 2019 Biology Questions
Question 16:
In which of the following groups of organisms do all the members have asexual method of reproduction?
- A Mucor (or penicillium), a bird and a toad (or frog)
- B A geen filament algae, a flowering plant and a bird
- C Ameoba, mucor (or penicillium ) and a green filamentous algae
- D A toad (or frog) , ameoba and mucor ( penicillium)
- E A flowering plant, tape worm (or ascaris) and a green filamentous algae
Question 17:
The hormone which tones up the muscles of a person in time of danger is from the
- A Pancreas
- B Adrenal gland
- C Liver
- D Thyroid gland
- E Testosterone
Question 18:
The study of organism and the environment of an abandoned farmland is the ecology of?
- A a habitat
- B An ecosystem
- C A specie
- D A population
- E A community
Question 19:
A potometer with a leafy shoot weighed 18.9g initially and weighed 17.9g after one hour. From this it follow that
- A The shoot lost 1g of water per hour
- B The potometer water receded at the rate of 1g per hour
- C The shoot absorbed 1g of water per hour
- D The shoot was respiring and lost weight at rate of 1g per hour
- E 1g of water per hour evaporates from the potometer
Question 20:
At fertilization
- A One gene from the male combines with another from the female
- B One cell from the male fuses with another from the female
- C One set of chromosome combines with another set from the female
- D One chromosome from the male joins another from the female
- E The male nucleus fuses with the female nucleus