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A&R BIO QUIZ DAY-3

Update on: 12 Mar 2019, 10:08 AM

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ASSERTION : Maize is an albuminous seed. REASON : In maize, endosperm is completely absorbed by its growing embryo.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : The endometrium undergoes cyclical changes during menstrual cycle. REASON : The myometrium exhibits strong contractions during delivery of the baby.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : Use of intra-uterine contraceptive devices is an irreversible method of contraception. REASON : Females having IUCDs can never bear the child.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : Haemophilia is a sex-linked recessive disease in which heterozygous female transmits the disease to 50% of her male progeny. REASON : Haemophilia is due to presence of recessive sex linked gene present on Y chromosome.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : Regulator and operator genes are not associated with constitutive genes. REASON : Constitutive genes need not be repressed.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : Hardy-Weinberg principle states that in the absence of disturbing influences, gene frequencies of large populations of sexually reproducing organisms do not change, provided that mating occur at random. REASON : The disturbing influences include mutation, gene flow, genetic drift, genetic recombination and natural selection.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : Cancer patients are given chemotherapeutic treatments. REASON : Chemotherapeutic agents are used to destroy malignant cells.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : Inbreeding increases homozygosity and is necessary to evolve a pureline. REASON : Continued close inbreeding reduces fertility and productivity.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : While working on Staphylococci, Alexander Fleming observed that Penicillium notatum inhibits the growth of the bacteria. REASON : Penicillium notatum was commercially extracted and its full.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : If the DNA from different sources are cut by the same restriction endonuclease, they would produce complementary sticky or cohesive ends. REASON : EcoRI from Escherichia coli and BamHI from Bacillus amyloliquefaciens are the restriction enzymes that produce sticky ends.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

A&R BIO QUIZ DAY-3

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