Biology for IGCSE & O level - Reproduction (Section 8)
1
Which structure in the male reproductive system is responsible for the production of sperm?
2
What part of the female reproductive system is involved in the implantation of the embryo?
3
In the female reproductive system, which structure is responsible for the transport of the ovum from the ovary to the uterus?
4
What is the primary function of the egg cell in the process of fertilization?
Answer(B)
To fuse with the sperm to form a zygote
5
What are the main functions of the ovaries?
6
What is the main difference between asexual and sexual reproduction?
Answer(C)
Asexual reproduction produces genetically identical offspring, while sexual reproduction leads to variation.
7
What part of the flower receives the pollen?
8
What part of the flower does the seed develop from?
9
Which is the male part of a flower?
10
What process immediately follows pollination?
11
Which of the following is the primary function of the Fallopian tubes?
Answer(B)
To transport the egg to the uterus
12
What term describes the transfer of pollen from the stamen to the pistil?
13
What is the role of the fallopian tubes?
14
What is the name of the process where the egg is released from the ovary?
15
In the male reproductive system, the sperm is transported from the testes through which structure?
16
Which of the following is a function of the seminal vesicles?
Answer(C)
To secrete fructose to nourish sperm
17
What is the role of the filament in a flower?
18
Which of the following events can occur during pregnancy?
19
Which of the following is a characteristic of wind-pollinated flowers?
20
Which of the following is NOT a function of the female reproductive system?
Answer(D)
Production of testosterone
21
What structure in a flower is analogous to the scrotum in males?
22
Which of the following are roles of progesterone in the menstrual cycle and pregnancy?
23
Which hormone inhibits the release of FSH and LH during pregnancy?
24
Which of the following is a characteristic of insect-pollinated flowers?
25
What part of the plant develops into a fruit after fertilization?
26
What is the role of the zona pellucida in the process of fertilization?
Answer(B)
It protects the egg and aids in sperm binding.
27
What is the name of the structure that carries the sperm from the testes?
28
Which of the following are advantages of sexual reproduction?
29
What event directly triggers menstruation?
Answer(C)
A drop in estrogen and progesterone levels
30
During the proliferative phase of the menstrual cycle, which hormone dominates?
31
Which hormone prevents the breakdown of the uterine lining if fertilization has occurred?
32
What is the function of the cervix?
Answer(C)
To allow the passage of the fetus during birth.
33
What are the main hormones involved in regulating the menstrual cycle?
34
Which of the following is responsible for releasing the egg from the ovary?
35
What is the main source of progesterone during the first few months of pregnancy?
36
What is the role of the seminal fluid?
37
Which part of a flower attracts pollinators?
38
What are the roles of FSH and LH in females?
39
What is the function of the endosperm in a seed?
Answer(B)
To provide nutrients for the developing embryo
40
What is the role of the yellow body (corpus luteum) in the menstrual cycle?
Answer(B)
To secrete progesterone and maintain the lining of the uterus.
41
What part of the sperm contains the genetic material?
42
What is the term for the fusion of the male and female gametes?
43
What are the effects of estrogen during puberty in females?
44
What is the role of the amniotic fluid during pregnancy?
45
Which part of the male reproductive system stores sperm?
46
Which part of a flower develops into a fruit?
47
What is the main purpose of the fruit in flowering plants?
Answer(C)
To protect and disperse seeds
48
In the male reproductive system, where are sperm produced?
49
Which of the following are important for seed germination?
50
What is the role of the pollen tube?
Answer(C)
To transport the male gametes to the ovule