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 part labeled III in the above diagram is
Root
Gills
Hyphae
Rhizoids
Correct answer is C
Hyphae in a mushroom is a vegetative body part made up of tiny and delicate threads containing nuclei.
Which of the following describes an example of fertilization in higher organisms
Fusion of sperm and egg nuclei
Pollen grain landing on a sticky stigma
Ejaculation of the egg and pollen grain
Ejaculation of sperm into the female body
Correct answer is A
Fusion of sperm and egg nuclei is an example of fertilization in mammals.
The male sex cells also called gametes are produced in the testes by a process called
Gametogenesis
Implantation
Spermatogenesis
Spermatozoa
Correct answer is C
Spermatogenesis is the process whereby male sex cells or gametes (sperms) are produced in the testis.
Albinism is an expression of traits controlled by
Chromosomes
Recessive genes
Dominant genes
Mutation
Correct answer is B
Albinism is the condition in which the skin of an animal is non-pigmented because it lacks Melanin. It is controlled by Recessive genes.
Mutation
Locus
Hybrid
Diploid
Correct answer is A
Mutation involves the changes in the genes of an organism due to some factors resulting in a new character that can be inherited.