Reproduction Practice Questions
NECO (Nigeria) · NECO Biology · 150 free MCQs with instant results and detailed explanations.
150
Total
44
Easy
75
Medium
31
Hard
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Sample Questions from Reproduction
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Q1
Easy
What is the primary function of the male reproductive system in humans?
A.
To produce and transport sperm.
B.
To nurture the fetus.
C.
To produce eggs.
D.
To enrich the uterus.
Show Answer & Explanation
Correct Answer: A
The primary function of the male reproductive system is to produce and transport sperm, which is essential for fertilization.
Q2
Easy
Which method of reproduction involves the combination of genetic material from two parents?
A.
Asexual reproduction
B.
Binary fission
C.
Sexual reproduction
D.
Budding
Show Answer & Explanation
Correct Answer: C
Sexual reproduction involves the combination of genetic material from two parents, leading to genetic diversity in the offspring.
Q3
Easy
Which of the following reproductive strategies involves the production of many offspring with little parental care?
A.
K-strategy
B.
R-strategy
C.
Asexual reproduction
D.
Sexual reproduction
Show Answer & Explanation
Correct Answer: B
R-strategy involves producing many offspring at once, with minimal parental investment. This strategy is typical for species that have a high mortality rate among the young.
Q4
Medium
Which of the following organisms reproduces through binary fission?
A.
Amoeba
B.
Frog
C.
Human
D.
Flowering Plant
Show Answer & Explanation
Correct Answer: A
Amoeba reproduces through binary fission, which is a form of asexual reproduction where the organism divides into two identical daughter cells.
Q5
Medium
In flowering plants, what is the role of the ovule?
A.
To produce pollen
B.
To develop into a seed after fertilization
C.
To support the flower structure
D.
To attract pollinators
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Correct Answer: B
The ovule is part of the ovary and develops into a seed after fertilization, making it essential for the reproductive process in flowering plants.
Q6
Medium
What is the primary advantage of sexual reproduction over asexual reproduction?
A.
It requires less energy.
B.
It provides genetic diversity.
C.
It leads to faster population growth.
D.
It does not require a mate.
Show Answer & Explanation
Correct Answer: B
Sexual reproduction results in offspring with genetic variation due to the combination of genes from two parents, which is beneficial for adaptation and evolution.
Q7
Medium
During which phase of the cell cycle does DNA replication occur in preparation for cell division?
A.
G1 phase
B.
S phase
C.
G2 phase
D.
M phase
Show Answer & Explanation
Correct Answer: B
DNA replication occurs during the S phase of the cell cycle, where the cell synthesizes a complete copy of its DNA in preparation for mitosis or meiosis.
Q8
Hard
In which of the following phases of the menstrual cycle does ovulation typically occur?
A.
Follicular phase
B.
Luteal phase
C.
Menstruation phase
D.
Ovulatory phase
Show Answer & Explanation
Correct Answer: D
Ovulation specifically occurs in the ovulatory phase of the menstrual cycle, when a mature egg is released from the ovary, making it the correct answer.
Q9
Hard
Which hormonal change primarily triggers the onset of puberty in humans?
A.
Increased estrogen in females
B.
Increased testosterone in males
C.
Increased growth hormone
D.
Increased luteinizing hormone
Show Answer & Explanation
Correct Answer: A
In females, the increase in estrogen levels is the primary hormonal change that triggers the onset of puberty, making it the correct answer.
Q10
Hard
In flowering plants, which structure is primarily responsible for the process of fertilization?
A.
Ovule
B.
Pollen grain
C.
Stigma
D.
Style
Show Answer & Explanation
Correct Answer: B
The pollen grain is responsible for fertilization in flowering plants because it contains the male gametes that travel to the ovule to fuse with the female gametes.
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Reproduction — NECO (Nigeria) NECO Biology Practice Questions Online
This page contains 150 practice MCQs for the chapter Reproduction in NECO (Nigeria) NECO Biology. The questions are organized by difficulty — 44 easy, 75 medium, 31 hard — so you can choose the right level for your preparation.
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