NCERT NEET Botany Biotechnology

Biotechnology and its Application Mock Test-8

Question No:1

0 ADA is an enzyme which is deficient in the genetic disorder SCID. What is the full form of ADA?

[A] Adenosine deoxyaminase
[B] Adenosine deaminase
[C] Aspartate deaminase
[D] Arginine dearginase



Question No:2

0 Silencing of a gene could be achieved through the use of

[A] Short interfering RNA (RNAi)
[B] Antisense RNA
[C] By both
[D] None of the above



Question No:3

0

[A]
[B]
[C]
[D]



Question No:4

0 Crystals of Bt-toxin produced by some bacteria do not kill the bacteria themselves because

[A] Bacteria are resistant to the toxin.
[B] Toxin is immature.
[C] Toxin is inactive.
[D] Bacteria encloses toxin in a special sac.



Question No:5

0 Assertion: ELISA use to detect infection by pathogen, can be detected by the presence of antigens or by detecting the antibodies synthesized against the pathogen.
Reason: ELISA is based on the principle of antigen- antibody interaction.

[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



Question No:6

0 Assertion: GEAC is genetic engineering approval committee.
Reason: GEAC will make decisions regarding the validity of GM research.

[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



Question No:7

0 Assertion: r-DNA therapeutic are better than similar products isolated from non-human sources.
Reason: r-DNA therapeutic do not induce unwanted immunological responses.

[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



Question No:8

0 Assertion: – – antitrypsin used to treat emphysema.
Reason: Transgenic mice are being used to test the safety of the polio vaccine.

[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



Question No:9

0 Assertion: PCR & ELISA are techniques that serve the purpose of easily diagnosis.
Reason: For effective of a disease, early diagnosis is very important.

[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



Question No:10

0 Assertion: Bio piracy is the team used to refer to the use of bio-resources by multinational companies and other organisations without proper authorisation from the countries and people concerned without compensatory payment.
Reason: Bio prospecting is the process of discovery and commercialisation of new products based on biological resources.

[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



Question No:11

Assertion: ADA deficiency can be cured by bone marrow transplantation.
Reason: ADA deficiency can be treated by enzyme replacement therapy.

[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



Question No:12

Assertion: Bt toxin do not kill Bacillus.
Reason: Bt toxin protein exist in Bacillus as inactive prototoxins.

[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



Question No:13

Assertion: RNA i takes place in all eukaryotic organism as a method of cellular defence.
Reason: RNAi method involve silencing of a specific mean due to complementary dsRNA molecule that binds to and prevent translation of the m-RNA (silencing).

[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



Question No:14

Assertion: Genetic modification will enhance nutritional value of food.
Reason: Vit A enriched rice is GMO.

[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



Question No:15

Which one of the following is used as vector for cloning genes into higher organisms?

[A] Baculovirus
[B] Salmonella typhemurium
[C] Rhizopus nigricans
[D] Retrovirus