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 statements about photosynthesis is not true?
Plants can photosynthesize without an increase in dry weight
Carbon dioxide is absorbed by the leaves in bright light
oxygen is produced during photosynthesis from the breakdown of water
Photosynthesis occurs in green plants
Correct answer is A
No explanation has been provided for this answer.
dependent on each other
on homologous chromosomes
allelomorphic
inherited independently of each other
Correct answer is D
No explanation has been provided for this answer.
The process whereby electrons are emitted from chlorophyll and returned to it unchanged is known as?
non-cyclic phosphorylation
photochemical reaction
photophorylation
cyclic photophorylatlion
Correct answer is D
During cyclic photophosphorylation, the electrons are transferred back to P700 instead of moving into the NADP from the electron acceptor. This downward movement of electrons from an acceptor to P700 results in the formation of ATP molecules
The concept of use and disuse of parts was postulated by
Darwin
Larmarck
Miller
Wallace
Correct answer is B
No explanation has been provided for this answer.
Character which falls to express itself in the first filial generation but emerges in the second is
heterozygote
homozygote
dominant
recessive
Correct answer is D
No explanation has been provided for this answer.