Download App

Human Health and Disease — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYHuman Health and Disease1 Mark
MCQ
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 : $\text{SCID}$ is the first genetic disorder to be combated with gene therapy.
Reason : $\text{SCID}$ is a type of allergy.
  • 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.
  • ✓
    Assertion is true, but reason is false.
  • D
    Both assertion and reason are false.
✓

Answer

Correct option: C.
Assertion is true, but reason is false.

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 Human Health and Disease→Human Health and Disease — all question types→BIOLOGY STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

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: Champagne gives off bubbles.
Reason: Alcoholic content is $12-16\%$ in champagne.
→
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: Perisperm is protective covering of seed and helps in dispersal and nutrition.
Reason: Pericarp is covering of fruit which is non$-$functional.
→
Assertion: The earliest organisms that appeared on the earth were non-green and presumably anaerobes.
Reason: The first autotrophic organisms were the chemoautotrophs that never released oxygen.
→
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: Microclimate generally differs from the prevailing regional climatic conditions.
Reason: Microclimate represents the climatic conditions that prevail at local scale or in areas of llmited size.
→
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 egg apparatus, consists of two synergids and one egg cell.
Reason: Filiform apparatus play an important role in guiding the pollen tubes into the synergids.
→
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: There are $36$ biodiversity hotspots in the world.
Reason: High level of species richness is a criteria for selection of a biodiversity hotspot.
→
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 : Allergy is an immunity disorder.
Reason: Allergy is confined to a person only.
→
Directions: In the following questions, the Assertions $(A)$ and Reason$(s) (R)$ have been put forward. Read both the statements carefully and choose the correct alternative from the following:
Assertion: Recognition site should be preferably single and responsive to commonly used restriction enzyme.
Reason: In $\text{pBR 322}$ alien $\text{DNA}$ is ligated generally in the area of Bam $- \text{HI}$ site of tetracycline resistance gene.
→
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: Seminiferous tubule is related with spermatogenesis.
Reason: Spermatogenesis takes place under the influence of pituitary gonadotrophins and testosterone
→
Assertion (A): Yeasts such as Saccharomyces cerevisiae are used in baking industry.
Reason (R): Carbon dioxide produced during fermentation causes bread dough to rise by thermal expansion.
→