Biology Past Questions And Answers
1841
Which of the following statements defines plasmolysis?
- A. Shrinking of a plant cell in a solution
- B. Shrinking away of cytoplasm from an animal cell membrane
- C. Shrinking away of the cytoplasm from the plant cell wall
- D. shrinking of the vacuole and leaving the cytoplasm attached to the cell wall
1842
A farm practice that result in the loss of soil fertility is
- A. mixed farming
- B. bush fallowing
- C. shifting cultivation
- D. continous cropping
1843
Biological growth refers strictly to an increase in the
- A. protoplasm of an organism
- B. number of organisms
- C. size of an organism
- D. development of form
1844
The upper part of the trachea in mammals is called
- A. palate
- B. epiglottis
- C. larynx
- D. glottis
1845
Substance manufactured by the leaves are transported to other parts of the plant through the
- A. phloem
- B. companion cells
- C. sieve tubes
- D. cambium
1846
The most recently evolved structure in animals is the
- A. hair
- B. cilium
- C. scale
- D. feather
1847
The following are features of Northern Guinea Savanna except
- A. presence of tall trees with thick bark
- B. bare soil with very few trees
- C. presence of fire-resistant trees
- D. predominance of woody trees
1848
A company was prohibited from producing bags made from natural leopard skin. This is an attempt to conserve
- A. land
- B. water
- C. wildlife
- D. minerals
1849
Food chain refers to the feeding relationships between animals in a ______?
- A. Family
- B. phylum
- C. community
- D. group
1850
A fruit is most commonly
- A) a mature female ovary
- B) a thickened style
- C) an enlarged ovule
- D) a modified root