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Biology for IGCSE & O level - Reproduction (Section 7)

1
What are the main differences between sperm cells and egg cells?
Answer
A
B
D
2
What is the name of the process in which a sperm cell fuses with an egg cell?
Answer
(B)
Fertilization
3
What structure contributes to the formation of semen?
Answer
A
B
4
What process must occur after pollination for fertilization to occur?
Answer
(C)
Pollen tube growth
5
Which of the following is the most crucial environmental factor for seed germination?
Answer
(C)
Water
6
What is the role of the endometrium?
Answer
(C)
To nourish the fetus.
7
Which is NOT a method of pollination?
Answer
(D)
Self-fertilization
8
Which structure provides the food for the developing embryo in a seed?
Answer
(C)
Endosperm
9
In the male reproductive system, what is the primary function of the testes?
Answer
(A)
To produce sperm and testosterone
10
What structure does the sperm need to get through to fertilize the egg?
Answer
(B)
Zona pellucida
11
What structure in the flower develops into a seed?
Answer
(B)
Ovule
12
Which hormone, produced by the yellow body, maintains the uterine lining?
Answer
(B)
Progesterone
13
During the menstrual cycle, which hormone stimulates ovulation?
Answer
(C)
Luteinizing hormone (LH)
14
Which of the following is an example of asexual reproduction?
Answer
(B)
Binary fission in bacteria
15
The corpus luteum is formed from which ovarian structure?
Answer
(A)
The follicle after ovulation
16
Which part of the female reproductive system secretes the female sex hormones?
Answer
(A)
Ovaries
17
What is the role of the sepals in a flower?
Answer
(B)
To protect the developing bud
18
During which stage of pregnancy do the major organs of the fetus begin to develop?
Answer
(A)
First Trimester
19
What are the main functions of the uterus?
Answer
A
B
20
What structure releases an egg each month in the female reproductive system?
Answer
(B)
Ovary
21
Which hormone is primarily produced by the yellow body (corpus luteum)?
Answer
(B)
Progesterone
22
What event marks the beginning of the luteal phase of the menstrual cycle?
Answer
(A)
Ovulation
23
What is the main advantage of asexual reproduction?
Answer
(B)
It allows rapid reproduction
24
What is the function of the scrotum?
Answer
(C)
To regulate the temperature of the testes
25
What is the name of the outer layer of the egg?
Answer
(B)
Zona pellucida
26
Which of the following is a disadvantage of asexual reproduction?
Answer
(B)
No genetic variation
27
Which part of the sperm cell contains the enzymes needed to penetrate the egg?
Answer
(B)
The head (acrosome)
28
During the second half of the menstrual cycle, what is the primary hormone secreted by the corpus luteum?
Answer
(B)
Progesterone
29
Which of the following is a characteristic of insect-pollinated flowers?
Answer
(C)
Brightly colored petals and nectar
30
What process directly follows fertilization in plants?
Answer
(C)
Fruit development
31
Which of the following describes the primary function of petals in a flower?
Answer
(B)
Attracting pollinators
32
Which of the following is a characteristic of insect pollinated flowers?
Answer
B
C
33
What hormones are produced by the ovaries?
Answer
A
B
34
What are some of the roles of the amniotic fluid during pregnancy?
Answer
A
B
D
35
Which hormone stimulates the growth of the uterine lining during the menstrual cycle?
Answer
(C)
Estrogen
36
Which of the following is a characteristic of wind-pollinated flowers?
Answer
(D)
Lightweight pollen
37
What is the function of the epididymis in the male reproductive system?
Answer
(B)
To store and mature sperm
38
What is the process of transferring pollen from the anther to the stigma called?
Answer
(C)
Pollination
39
What structure connects the fetus to the placenta?
Answer
(B)
Umbilical cord
40
What part of the male reproductive system produces a fluid that neutralizes the acidity of the urethra?
Answer
(C)
Cowper's gland
41
Which of the following is NOT a function of the placenta?
Answer
(D)
Producing sperm
42
The phase of the menstrual cycle where the uterine lining thickens is called the:
Answer
(D)
Secretory Phase
43
Which of these structures is directly involved in transporting sperm from the testes to the outside of the body?
Answer
(C)
Urethra
44
Which structure in the female reproductive system is the site of the development of the fetus during pregnancy?
Answer
(C)
Uterus
45
Which of the following is a characteristic adaptation of wind-pollinated flowers?
Answer
(D)
Production of a large amount of pollen
46
What event is the primary indicator that fertilization has occurred?
Answer
(C)
Implantation
47
What is the role of the ovary in a flower?
Answer
(C)
To protect and house the ovules
48
Which of the following is the correct sequence of events in the menstrual cycle?
Answer
(A)
Menstruation -> Follicular phase -> Ovulation -> Luteal phase
49
What is the main role of FSH (Follicle-Stimulating Hormone) in the menstrual cycle?
Answer
(A)
Stimulating the development of the follicle.
50
What structure is responsible for containing the male gametes in a flower?
Answer
(C)
Anther