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NEET Exam  >  NEET Tests  >  Biology Class 12  >  Test: Human Reproduction- Assertion & Reason Type Questions- 2 - NEET MCQ

Test: Human Reproduction- Assertion & Reason Type Questions- 2 - NEET MCQ


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10 Questions MCQ Test Biology Class 12 - Test: Human Reproduction- Assertion & Reason Type Questions- 2

Test: Human Reproduction- Assertion & Reason Type Questions- 2 for NEET 2024 is part of Biology Class 12 preparation. The Test: Human Reproduction- Assertion & Reason Type Questions- 2 questions and answers have been prepared according to the NEET exam syllabus.The Test: Human Reproduction- Assertion & Reason Type Questions- 2 MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Human Reproduction- Assertion & Reason Type Questions- 2 below.
Solutions of Test: Human Reproduction- Assertion & Reason Type Questions- 2 questions in English are available as part of our Biology Class 12 for NEET & Test: Human Reproduction- Assertion & Reason Type Questions- 2 solutions in Hindi for Biology Class 12 course. Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free. Attempt Test: Human Reproduction- Assertion & Reason Type Questions- 2 | 10 questions in 20 minutes | Mock test for NEET preparation | Free important questions MCQ to study Biology Class 12 for NEET Exam | Download free PDF with solutions
Test: Human Reproduction- Assertion & Reason Type Questions- 2 - Question 1
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Directions: In the following questions a statement of assertion is followed by a statement of reason. Mark the correct choice as:

Assertion : In human male, testes are extra-abdominal and lie in scrotal sacs.

Reason : Scrotum acts as thermoregulator and keeps testicular temperature lower by 2°C normal spermatogenesis.

Detailed Solution for Test: Human Reproduction- Assertion & Reason Type Questions- 2 - Question 1
In human male, one pair of testes are present in thin walled skin pouches called scrotal sacs (so are extra abdominal) hanging from the lower abdominal wall between the legs. Testes is held in position in the scrotum by gubernaculum and spermatic cord. Scrotal sac act as thermoregulators and keep the testicular temperature 2°C lower than body temperature for normal spermatogenesis, as high abdominal temperature kills the spermatogenic tissue.
Test: Human Reproduction- Assertion & Reason Type Questions- 2 - Question 2
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Directions: In the following questions a statement of assertion is followed by a statement of reason. Mark the correct choice as:

Assertion : Asexual reproduction is also called blastogenesis.

Reason : In asexual reproduction, there is no fusion of gametes.

Detailed Solution for Test: Human Reproduction- Assertion & Reason Type Questions- 2 - Question 2
Development of an organism from non-sexual reproductive units like buds fragments etc. is called blastogenesis. In asexual reproduction there is no formation and fusion of gametes.
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Test: Human Reproduction- Assertion & Reason Type Questions- 2 - Question 3
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Directions: In the following questions a statement of assertion is followed by a statement of reason. Mark the correct choice as:

Assertion : Urethra in human male acts as urinogenital canal.

Reason : Urethra carries only urine while sperms are carried by vasa deferentia only.

Detailed Solution for Test: Human Reproduction- Assertion & Reason Type Questions- 2 - Question 3
Urethra in human male act as urogenital canal as it carries urine, sperms and secretions of seminal vesicles, prostate and cowper’s glands.
Test: Human Reproduction- Assertion & Reason Type Questions- 2 - Question 4
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Directions: In the following questions a statement of assertion is followed by a statement of reason. Mark the correct choice as:

Assertion : Sexual reproduction is advantageous than asexual reproduction.

Reason : It is rapid mode of reproduction while asexual reproduction is slow mode of reproduction.
Detailed Solution for Test: Human Reproduction- Assertion & Reason Type Questions- 2 - Question 4
Sexual reproduction is advantageous than asexual reproduction because in sexual reproduction progeny are genetically different from the parents as variations appear due to new combinations of genes during crossing over. Chance segregation of chromosomes and chance fusion of gametes. So it plays an important role in evolution. Sexual reproduction is slow mode of reproduction while asexual reproduction is rapid mode of reproduction.
Test: Human Reproduction- Assertion & Reason Type Questions- 2 - Question 5
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Directions: In the following questions a statement of assertion is followed by a statement of reason. Mark the correct choice as:

Assertion : Penis of male is homologous to clitoris of human female.

Reason : Both are highly sensitive and both supported by corpora cavernosa.
Detailed Solution for Test: Human Reproduction- Assertion & Reason Type Questions- 2 - Question 5
Labia minora fused anteriorly to form a skin fold called prepuce in front of a small erectile organ the clitoris which is homologous to penis, and both are supported by corpora cavernosa and highly sensitive.
Test: Human Reproduction- Assertion & Reason Type Questions- 2 - Question 6
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Directions: In the following questions a statement of assertion is followed by a statement of reason. Mark the correct choice as:

Assertion : Fallopian funnel of oviduct is with finger-like fimbriae.

Reason : Graafian follicle of the ovary is with a secondary oocyte hanging in the cavity called the antrum.
Detailed Solution for Test: Human Reproduction- Assertion & Reason Type Questions- 2 - Question 6
Infundibulum is funnel shaped end fallopian or oviduct. The funnel is called oviducal funnel or fallopian funnel. Its free end bears a number of finger-like processes called fimbriae, but the graafian follicle of ovary is with a secondary oocyte hanging in the cavity, called the antrum.
Test: Human Reproduction- Assertion & Reason Type Questions- 2 - Question 7
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Directions: In the following questions a statement of assertion is followed by a statement of reason. Mark the correct choice as:

Assertion : At puberty, human male develop secondary sexual characters.

Reason : At puberty, there is decreased secretion of testosterone in male.
Detailed Solution for Test: Human Reproduction- Assertion & Reason Type Questions- 2 - Question 7
At puberty in human male is controlled by male sex hormone testosterone which is secreted by interstiteal or leydig’s cells of testes so secondary sexual characters develops and at puberty secretion of testosterone is increase.
Test: Human Reproduction- Assertion & Reason Type Questions- 2 - Question 8
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Directions: In the following questions a statement of assertion is followed by a statement of reason. Mark the correct choice as:

Assertion : Size of breasts increases at puberty in human females.

Reason : Prolactin secretion starts at puberty.
Detailed Solution for Test: Human Reproduction- Assertion & Reason Type Questions- 2 - Question 8
In the female breasts size increases after puberty under the stimulation of estrogens. Size of breasts is further increased during pregnancy and after childbirth under the stimulation of prolactin hormone.
Test: Human Reproduction- Assertion & Reason Type Questions- 2 - Question 9
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Directions: In the following questions a statement of assertion is followed by a statement of reason. Mark the correct choice as:

Assertion : Vagina acts as copulation canal and fertilization canal.

Reason : Both insemination and fusion of gametes occur in vagina of females.
Detailed Solution for Test: Human Reproduction- Assertion & Reason Type Questions- 2 - Question 9
Vegina is a tubular female copulatory organ. Passageway for menstrual flow as well as birth canal. Vegina receives semen from male during mating but fertilization (fusion of gametes) occurs in the fallopian tube.
Test: Human Reproduction- Assertion & Reason Type Questions- 2 - Question 10
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Directions: In the following questions a statement of assertion is followed by a statement of reason. Mark the correct choice as:

Assertion : Primary spermatocytes of testes are haploid.

Reason : Primary spermatocytes are formed by meiosis-I in the spermatogonia.
Detailed Solution for Test: Human Reproduction- Assertion & Reason Type Questions- 2 - Question 10
Primary spermatocytes of testes are diploid and formed by mitotic division in the spermatogonium.
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