WorksheetsReproduction and growth
Total questions: 20
Worksheet time: 20mins
Which of the following is the correct sequence of sperm formation?
Spermatogonium ---> spermatocyte ---> spermatids ---> sperms
Spermatocyte ---> spermatogonium ---> spermatids ---> sperms
Spermatocyte ---> spermatids ---> spermatogonium ---> sperms
Spermatids ---> spermatogonium ---> spermatocyte ---> sperms
Which of the following shows the order of the main stages of a menstrual cycle?
Menstruation --> formation of coupus luteum --> corpus luteum degenerates --> formation of follicles --> ovulation --> menstruation
Menstruation --> ovulation --> formation of follicles --> formation of coupus luteum --> corpus luteum degenerates --> menstruation
ovulation --> formation of coupus luteum --> corpus luteum degenerates --> menstruation --> formation of follicles --> ovulation
formation of follicles --> formation of coupus luteum --> corpus luteum degenerates --> menstruation --> ovulation --> formation of follicles
Which stage is the morula stage?
R
Q
P
S
What are cells P, Q and R?
P-ovum; Q-polar body; R-oocyte
P-polar body; Q-ovum; R-oocyte
P-oocyte; Q-polar body; R-ovum
P-ovum; Q-oocyte; R-polar body
Which of the following statements are correct about the two hormones? (choose more than 1 answer)
A rise in the level of hormone P heals and repairs the endometrium lining.
A drop in the level of hormone P induces a drop in the level of hormone Q.
A rise in the level of hormone Q stimulates ovulation.
A drop in the level of hormone Q stimulates menstruation.
What hormones are secreted at stage W, X and Y?
W- progesterone; X- follicle stimulating hormone; Y- luteinising hormone
W- follicle stimulating hormone; X- luteinising hormone; Y- progesterone
W- luteinising hormone; X- progesterone; Y- follicle stimulating hormone
W- luteinising hormone; X- follicle stimulating hormone; Y- progesterone
In which parts does the blood contain
the most oxygen and nutrients?
1, 3
1, 4
2, 3
2, 4
What are the characteristics of in vitro fertilisation? (choose more than 1 answer)
Sperms are collected and injected into the vagina.
Ovum is taken out of the ovary and put into a culture solution in a laboratory glass container.
Fertilisation occurs outside the body.
Zygote is formed inside the body.
Phase X of the growth curve shows...
the rate of growth is slow where only cell division and slight cell enlargement occurs.
that most cells have achieved the maximum size
that the cell division occurs only to replace the damaged or dead tissues
that the organism in ecdysis
What happens at X? (choose more than 1 answer)
abundant food intake
rapid growth
the old exoskeleton is discarded and replaced with a new exoskeleton
ecdysis
What are R, S and T?
R- primary phloem; S- secondary xylem; T- secondary phloem
R- secondary xylem; S- primary phloem; T- secondary phloem
R- primary phloem; S- secondary phloem; T- secondary xylem
R- secondary phloem; S- primary phloem; T- secondary xylem
Diagram shows the stages in pollen formation. What are the cells in stages Q, R and S?
Q- pollen; R- tetrad; S- pollen tube
Q- tetrad; R- pollen; S- matured pollen
Q- tetrad; R- generative nucleus; S- tube nucleus
Q- tube nucleus; R- pollen mother cell; S- pollen
Primary xylem and primary phloem cells in a dicotyledon stem originate from...
apical meristem
lateral meristem
vascular meristem
cork cambium
A plant has the number of chromosomes 2n=36. How many chromosomes are there in each of the three nucleus in the pollen tube?
36, 36, 36
36, 36, 18
18, 18, 36
18, 18, 18
Which of the following is true about the fertilisation of the plant? (choose more that 1 answer)
male gamete will fuse with Q to form diploid zygote
another male gamete will fuse with both P to form triploid nucleus
one male gamete fuses with both R to form triploid nucleus
male gamete fuses with S to form diploid zygote
Which part is primary phloem, secondary xylem, cork cambium and vascular cambium?
Primary phloem- W; Secondary xylem- X; Cork cambium- Y; Vascular cambium- Z
Primary phloem- Z; Secondary xylem- Y; Cork cambium- W; Vascular cambium- X
Primary phloem- X; Secondary xylem- W; Cork cambium- Z; Vascular cambium- Y
Primary phloem- Y; Secondary xylem- Z; Cork cambium- X; Vascular cambium- W
Which part is involved in the primary growth of the plant?
A
B
C
D
Choose statements that are true about the structure. (choose more that 1 answer)
It is a pollen grain
Generative nucleus will divide to form two male gametes
Tube nucleus has no function and will degenerate
It is an embryo sac
Match the graph that show the level of hormones to the respective hormones.
Follicle stimulating hormone - P; Progesterone - Q; Oestrogen - R; Luteinising hormone - S
Follicle stimulating hormone - P; Progesterone - S; Oestrogen - R; Luteinising hormone - Q
Follicle stimulating hormone - R; Progesterone - P; Oestrogen - S; Luteinising hormone - Q
Follicle stimulating hormone - R; Progesterone - S; Oestrogen - Q; Luteinising hormone - P
Where are the human sperms produced?
vesicle semen
vas deferens
seminiferous tubules
prostate gland
