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Biology for IGCSE & O level - Reproduction (Section 2)

1
What is the main difference between insect-pollinated and wind-pollinated flowers?
Answer
(B)
Insect-pollinated flowers produce nectar and wind-pollinated flowers do not.
2
In the male reproductive system, what transports sperm from the epididymis to the ejaculatory duct?
Answer
(B)
Vas deferens
3
What is the role of the pollen tube during fertilization?
Answer
(B)
To transfer the male gametes to the ovule.
4
What is the function of the uterus?
Answer
B
C
D
5
What is the function of the fallopian tubes?
Answer
(D)
To provide a pathway for the egg to travel from the ovary to the uterus.
6
What is the primary function of the placenta during pregnancy?
Answer
(C)
To facilitate the exchange of oxygen, nutrients, and waste between the mother and the fetus.
7
What is the primary function of the vas deferens?
Answer
(C)
Transport sperm
8
Which hormone plays a crucial role in stimulating ovulation?
Answer
(B)
LH
9
What is the name of the tube that carries sperm from the epididymis to the ejaculatory duct?
Answer
(B)
Vas deferens
10
Where are the testes located in the male reproductive system?
Answer
(B)
Within the scrotum
11
The ovaries are responsible for:
Answer
A
B
C
12
What is the primary purpose of the calyx (sepals) of a flower?
Answer
(B)
To protect the developing bud
13
Which of the following is a function of the prostate gland?
Answer
(C)
Secrete fluid that nourishes and protects sperm
14
What is the role of testosterone in males?
Answer
(A)
Stimulates the development of secondary sexual characteristics.
15
What is the role of luteinizing hormone (LH) in females?
Answer
(B)
Stimulates ovulation and the formation of the corpus luteum.
16
What structure is formed after ovulation?
Answer
(B)
The corpus luteum
17
What structure in the flower receives pollen?
Answer
(A)
Stigma
18
What is the role of the style?
Answer
(C)
To connect the stigma to the ovary
19
What part of the flower becomes the seed after fertilization?
Answer
(B)
Ovule
20
Which part of a flower produces pollen?
Answer
(B)
Anther
21
Which structure in a flower develops into a seed?
Answer
(B)
Ovule
22
Which of the following processes is NOT a form of asexual reproduction?
Answer
(C)
Fertilization
23
What is the main function of the epididymis?
Answer
(B)
To store and mature sperm.
24
What is the function of the epididymis in the male reproductive system?
Answer
(B)
Store and mature sperm.
25
Which of the following is a function of the amniotic fluid?
Answer
(B)
To protect the fetus from physical injury.
26
What is the main role of the Fallopian tubes (oviducts)?
Answer
(B)
To transport the egg to the uterus.
27
What structure transports sperm from the epididymis to the ejaculatory duct?
Answer
(B)
Vas deferens
28
Which of the following is a characteristic of wind-pollinated flowers?
Answer
(C)
Large amounts of pollen grains
29
Which structures contribute to the formation of semen?
Answer
A
B
C
30
In what structure does the fetus develop during pregnancy?
Answer
(C)
Uterus
31
What structure in a flower contains the ovules?
Answer
(B)
Ovary
32
What is the role of the cervix?
Answer
(B)
To allow sperm to enter the uterus and to allow the baby to exit.
33
Which part of the flower produces the female gametes?
Answer
(C)
Ovary
34
During the menstrual cycle, when does the corpus luteum typically form?
Answer
(C)
After ovulation
35
What is the male gamete in humans called?
Answer
(B)
Sperm
36
Which event marks the end of the follicular phase and the beginning of the luteal phase?
Answer
(B)
Ovulation
37
What is the main function of the seminal vesicles?
Answer
(C)
To produce fluid that nourishes and protects sperm.
38
Which of the following structures is responsible for the production of testosterone?
Answer
(C)
Testes
39
The cessation of menstruation is known as:
Answer
(C)
Menopause
40
What is the purpose of the seminal vesicles?
Answer
(C)
To produce fluid that nourishes sperm
41
What is the name of the male reproductive part of a flower?
Answer
(B)
Stamen
42
Which type of flower is most likely to be brightly colored and fragrant?
Answer
(B)
Insect-pollinated flowers
43
Which event directly follows fertilization?
Answer
(A)
Implantation of the zygote
44
Where does fertilization occur in plants?
Answer
(C)
In the ovary
45
What is the primary function of the prostate gland?
Answer
(C)
Secrete fluid to nourish and protect sperm
46
Which of the following is NOT a part of the pistil/carpel?
Answer
(C)
Filament
47
What are the two types of gametes in sexual reproduction?
Answer
(B)
Sperm and egg
48
What is the main function of the prostate gland?
Answer
(B)
To produce a fluid that helps to neutralize the acidity of the vagina.
49
What is the role of the mitochondria in a sperm cell?
Answer
(B)
To provide energy for movement.
50
Which of the following is the function of the testes?
Answer
(B)
To produce sperm and testosterone