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Question (41)

QN008289

Which disease is a sexually transmitted infection?

(A) Malaria
(B) Tuberculosis
(C) AIDS
(D) Cholera

Correct Answer: C

Explanation:

AIDS is a sexually transmitted infection.

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Question (42)

QN008290

IVF technique involves fertilisation occurring

(A) inside uterus only
(B) outside body under laboratory conditions
(C) inside testes
(D) inside placenta

Correct Answer: B

Explanation:

IVF involves fertilisation outside the body in laboratory conditions.

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Question (43)

QN008291

India’s first test tube baby project was pioneered by

(A) P. Maheshwari
(B) Jagadish Chandra Bose
(C) Subhash Mukhopadhyay
(D) C. V. Raman

Correct Answer: C

Explanation:

Subhash Mukhopadhyay pioneered India’s first test tube baby project.

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Question (44)

QN008292

If a zygote divides 5 times, how many cells are formed?

(A) 16
(B) 24
(C) 32
(D) 64

Correct Answer: C

Explanation:

Number of cells formed = 2⁵ = 32.

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Question (45)

QN008293

Which statement best explains adolescence?

(A) Permanent stopping of growth
(B) Phase when body attains reproductive maturity
(C) Complete adulthood
(D) Stage before childhood

Correct Answer: B

Explanation:

Adolescence is the phase when reproductive maturity is attained.

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Question (46)

QN008294

Which hormone-related change commonly occurs during puberty in boys?

(A) Voice becomes softer
(B) Growth of facial hair
(C) Menstruation starts
(D) Egg production begins

Correct Answer: B

Explanation:

Facial hair growth commonly occurs during puberty in boys.

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Question (47)

QN008295

Which change commonly occurs during puberty in girls?

(A) Growth of beard
(B) Voice deepening greatly
(C) Menstruation begins
(D) Sperm formation starts

Correct Answer: C

Explanation:

Menstruation begins during puberty in girls.

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Question (48)

QN008296

A human embryo develops inside the uterus for approximately how many months before being called a foetus?

(A) 1 month
(B) 2 months
(C) 3 months
(D) 6 months

Correct Answer: B

Explanation:

After about 2 months, the embryo is called a foetus.

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Question (49)

QN008297

Which factor mainly increases genetic variation in humans?

(A) Binary fission
(B) Budding
(C) Fusion of gametes from two parents
(D) Regeneration

Correct Answer: C

Explanation:

Fusion of gametes from two parents increases genetic variation.

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Question (50)

QN008298

Which statement correctly explains the importance of reproductive health awareness?

(A) It increases spread of diseases
(B) It helps maintain physical and social well-being related to reproduction
(C) It prevents growth completely
(D) It removes need for hygiene

Correct Answer: B

Explanation:

Reproductive health awareness helps maintain physical and social well-being.

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Question (41)

Which disease is a sexually transmitted infection?

Explanation:

Link:

Question (42)

IVF technique involves fertilisation occurring

Explanation:

Link:

Question (43)

India’s first test tube baby project was pioneered by

Explanation:

Link:

Question (44)

If a zygote divides 5 times, how many cells are formed?

Explanation:

Link:

Question (45)

Which statement best explains adolescence?

Explanation:

Link:

Question (46)

Which hormone-related change commonly occurs during puberty in boys?

Explanation:

Link:

Question (47)

Which change commonly occurs during puberty in girls?

Explanation:

Link:

Question (48)

A human embryo develops inside the uterus for approximately how many months before being called a foetus?

Explanation:

Link:

Question (49)

Which factor mainly increases genetic variation in humans?

Explanation:

Link:

Question (50)

Which statement correctly explains the importance of reproductive health awareness?

Explanation:

Link:

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