How well do you understand living things and their vital processes? Whether you are preparing for JAMB, WAEC, NECO and Post-UTME, these Biology past questions and answers cover such subjects as the chemistry of life, botany, evolution, genetics, ecology etc to help you know what to expect, improve your speed and confidence and be really prepared for the actual aptitude test.
Which of the following causes pollution?
Consumption of canned drink
The addition of fertilizer to farmland
Respiration of living organism
Burning of refuse
Correct answer is D
No explanation has been provided for this answer.
Growing yam tendrils climb for support. This growth response is
haptotropism
geotropism
phototropism
hydrotropism
chemotropism
Correct answer is A
- Haptotropism / thigmotropism is the movement or change in orientation of a plant's growth as a reaction to touch. The orienting factor is generally a hard surface that can change the direction of the plant's growth or the growth of one of its organs.
- The movement of parts of a plant (especially tendrils) in response to a touch stimulus.
Which of these substance is likely to be deficient in the diet of a person having goitre?
potassuim
calcium
iodine
sodium
Phosphorus
Correct answer is C
No explanation has been provided for this answer.
One common feature of the fungi, algae, mosses and ferns is that they?
are photosynthetic
show alternation of generation
reproduce by means of conjugation
can survive dry conditions
have no seeds
Correct answer is E
Most fungi reproduce by forming spores that can survive extreme conditions such as cold and lack of water.
Many small algae reproduce asexually by ordinary cell division or by fragmentation, whereas larger algae reproduce by spores.
Although mosses and ferns don't resemble each other visually, they have botanical similarities. Both are plants with primitive origins that produce spores instead of seeds.
In which of the following plants is swollen shoot disease common?
Groundnut
cocoa
Corn
Cotton
Rubber
Correct answer is B
No explanation has been provided for this answer.