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Biology Past Questions

Refresh Questions
Seed plants are divided into
  • A. angiosperms and gymnosperms
  • B. monocotyledons and dicotyledons
  • C. thallophyes and pbryophytes
  • D. Tracheophytes and ferns
The organelle common to both plant and animal cells is the
  • A. centriole
  • B. plasmalemma
  • C. cell wall
  • D. chloroplast
In the egg of bird, the embryo is located in the
  • A. Chalaza
  • B. Yolk
  • C. albumen
  • D. embryo
A dilute solution of phenylthiocarbamide tastes bitter to some people and is tasteless to others. This is an example of
  • A. taste bud variation
  • B. discontinuous variation
  • C. morphological variation
  • D. continuous variation
Paternity disputes can most accurately be resolved though the use of
  • A. Gringer printing
  • B. blood group typing
  • C. DNA analysis
  • D. tongue rolling
The opening and closing of the stoma are regulated by
  • A. osmosis
  • B. diffusion
  • C. transpiration
  • D. respiration
The increasing order of the particle size in the following soil types is
  • A. clay_silt_sand_gravel
  • B. Silt_clay-sand_gravel
  • C. clay_sand_slit_gravel
  • D. silt_sand_clay gravel
An example of a filter-feeding animals is
  • A. butterly
  • B. whale
  • C. mosquito
  • D. shark
When a colour blind man marries a carrier woman. What is the probability of their offspring being colorblind?
  • A. 25%
  • B. 50%
  • C. 75%
  • D. 100%
The major consequences of bush burning in an ecosystem is
  • A. the loss of water absorbing ability of the soil
  • B. the loss of biological diversity
  • C. a decrease in animal population
  • D. an increase in soil fertility