Download App

Biotechnology: Principles and Processes — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYBiotechnology: Principles and Processes1 Mark
MCQ
Two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion: In recombinant $\text{DNA}$ technology, human genes are often transferred into bacteria $($prokaryotes$)$ or yeast $($eukaryote$).$
Reason: Both bacteria and yeast multiply very fast to form huge populations which express the desired gene.
  • ✓
    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.
✓

Answer

Correct option: A.
Both assertion and reason are true and reason is the correct explanation of assertion.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Assertion (A) & Reason (B) MCQ" from Biotechnology: Principles and Processes→Biotechnology: Principles and Processes — all question types→BIOLOGY STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

For two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion : Psychotropic drugs affect behaviour and mental activities
Reason: Tranquillizer, a psychotropic drug, decrease tension and anxiety.
→
For two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion : The principle of segregation given by Mendel is the principle of purity of gametes.
Reason : Gametes are pure for a character.
→
For two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion: Nucellus functions as a nutritive tissue.
Reason: Nucellus is always exhausted completely during development of embryo sac.
→
For two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion: Initiation step of protein synthesis in prokaryotes and eukaryotes has several differences.
Reason: They both form $\text{mRNA - tRNA}$ complex with smaller subunit of ribosome.
→
Assertion (A): DNA fragments can be isolated by Gel electrophoresis on the basis of their size.
Reason (R): The larger the fragment size, the faster it moves.
→
Assertion (A): DNA fingerprinting is a very quick way to distinguish any two individuals.
Reason (R): Any two individuals in the world except identical twins have not similar VNTR.
→
For question two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion: Cuscuta is an example of holoparasite.
Reason: Cuscuta does not depend on other plants for nutrition requirements.
→
Assertion (A): Homo sapiens have evolved from chimpanzee-like ancestors.
Reason (R): There is no difference between the two in the amino acid sequence of the protein Cytochrome-C.
→
For question two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion: Non$-$native or exotic species are often introduced in a region for their economic uses.
Reason: Exotic species are considered to be a major cause of extinction of indigenous species.
→
For two statements are given$-$one labelled Assertion and the other labelled Reason. Select the correct answer to these questions from the codes $(a), (b), (c)$ and $(d)$ as given below.
Assertion : There is no chance of transmission of malaria to man on the bite of a male Anopheles mosquito.
Reason: It carries a non$-$virulent strain of Plasmodium.
→