Biology Past Questions And Answers
Which of the following is a method of asexual reproduction in plants?
- A. Pollination
- B. Vegetative propagation
- C. Seed dispersal
- D. Fertilization
In mammals, the exchange of nutrients and metabolic products occurs in the
- A. lymph
- B. lungs
- C. heart
- D. liver
Which is the odd animal in the list below?
- A) Lizards
- B) Snakes
- C) Turtles
- D) Toad
If the petals of a flowering plant are removed. Which of the following processes is likely to be affected?
- A. Transpiration
- B. Pollination
- C. Germination
- D. Photosynthesis
During which of the following phases of the cell cycle do chromosomes align in the middle of the cell?
- A. Metaphase
- B. G2
- C. S
- D. Anaphase
A macro element which is not directly connected with formation of chlorophyll is
- A) nitrogen
- B) iron
- C) magnesium
- D) sulphur
The diagram below is an illustration of an experiment on sedimentation of soil, use it to answer this question.
The part labelled IV is
- A. silt
- B. sand
- C. humus
- D. clay
Organisms living in an estuarine habitat are adapted to
- A. withstand wide fluctuations in temperature
- B. survive only in water with low salinity
- C. withstand wide fluctuations in salinity
- D. feed only on phytoplankton and dead organic matter
Which of the following ecological factors will result in food shortage?
- A. Drought
- B. Low rate of reproduction
- C. Emigration
- D. Topography
Which of the following statements is not true of population?
- A. Members of a population may be of the same species
- B. Members of a population may be of the same species but do not interbreed
- C. Size of a population may be limited by space
- D. Some species can form another population elsewhere