M.C.Q on SRIFP and HR
Authored by jhilam 1124563778
Biology
12th Grade
Used 2+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Assertion: Pollen grains are well preserved as fossils.
Reason: Pollen posses sporopollenin.
(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion.
(b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion.
(c) If the assertion is true but the reason is false.
(d) If both the assertion and reason are false.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Assertion: Coconut water is a cellular endosperm.
Reason: White kernel of coconut is a free nuclear endosperm.
(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion.
(b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion.
(c) If the assertion is true but the reason is false.
(d) If both the assertion and reason are false.
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Assertion: Most of the zygote divides only after certain amount of endosperm is formed.
Reason: This is an adaptation to provide assumed nutrition to the developing embryo.
(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion.
(b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion.
(c) If the assertion is true but the reason is false.
(d) If both the assertion and reason are false.
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Assertion: Majority of flowering plant have bisexual flower still they show cross pollination.
Reason: Continued self-pollination results in inbreeding depression.
(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion.
(b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion.
(c) If the assertion is true but the reason is false.
(d) If both the assertion and reason are false.
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Assertion: Self incompatibility is genetic mechanism to prevent self pollination. Reason: It promotes germination of pollen from same plant or same flower on stigma.
(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion.
(b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion.
(c) If the assertion is true but the reason is false.
(d) If both the assertion and reason are false.
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Assertion: Myometrium undergoes cyclical changes during menstrual cycle. Reason: Myometrium’s lines the uterine cavity
(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion.
(b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion.
(c) If the assertion is true but the reason is false.
(d) If both the assertion and reason are false.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Assertion: Androgens stimulate the process of spermatogenesis.
Reason: FSH acts on sertoli cells and stimulates the secretion of some factors which helps in the process of spermiogenesis.
(a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion.
(b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion.
(c) If the assertion is true but the reason is false.
(d) If both the assertion and reason are false.
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