Reproduction - Jamb Biology Past Questions and Answers

Question 16:

• JAMB 1982

In human reproduction, the zygote formed as a result of fertilization gets attached to the wall of the uterus. The process is called

A. Sexual reproduction
B. Cohesion
C. Pregnancy
D. Implantation
E. Viviparity

Question 17:

• JAMB 1982

In man, identical twins occur when

A. An ovum is fertilized by a sperm and then divide into two, each forming a separate embryo
B. An ovum fertilized by two sperms and then divides into two, each forming an embryo
C. Two ova are fertilized at the same tine each forming an embryo
D. Two ova are fertilized by a single sperm each forming an embryo after fertilization
E. One ovum first divides into two and each half is fertilized by a sperm before developing into an embryo

Question 18:

• JAMB 1982

In man, spermatozoa are never found in the

A. Testis
B. Urethra
C. Epididymis
D. Prostrate glands
E. Vas deferens

Question 19:

• JAMB 1984

Which of the following group does NOT reproduce asexually?

A. Mucor, Spirogyra and Paramecium
B. Penicillium, Paramecium and Amoeba
C. Mucor, Rhizophus and Penicillium
D. Amoeba, Spyrogyra and Mucor
E. Rhizophus, Ascaris and Amoeba

Question 20:

• JAMB 1985

For pollen to be released in Crotalaria the insect must depress the

A. Wing
B. Keel
C. Standard
D. Antepetalous stamen
E. Antesepalous stamen