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.
The salinity of a brackish enviroment
increases immediately after rain
increases at the end of rainy season
Decreases with increase in microorganisms
increases during dry season
Correct answer is D
No explanation has been provided for this answer.
Which of the following is NOT a characteristic of monocot plants?
Occurrence of secondary thickening
Parallel venation
Scattered vascular bundles
Floral parts arranged in threes
Perianth is usually insignificant
Correct answer is A
No explanation has been provided for this answer.
which of these organisms will have the lowest population in an ecosystem?
Hawk
Cowpea
Praying mantis
Mouse
Correct answer is A
No explanation has been provided for this answer.
Which of the following instruments is used for determining turbidity of water?
Thermometer
secchi disc
rain guage
Hydrometer
Wind vane
Correct answer is B
No explanation has been provided for this answer.
In a savanna ecosystem the abiotic factors include
legumes, temperature, and sandy soil
water, temperature, and soil
minerals, oxygen, and reptiles
water, soil, and grasses
Correct answer is B
No explanation has been provided for this answer.