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 : Haplodiploidy occurs in some insects.
Reason: Male insects develop parthenogenetically, while females grow from fertilised eggs.
  • 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

Similar questions

Silencing of a gene could be achieved through the use of:
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: Alpha diversity refers to species diversity present in a given community or habitat.
Reason: Alpha diversity is expressed by species richness and species evenness in a community or habitat.
Assertion (A): Generally, a woman does not conceive during the lactation period.
Reason (R): The hormone prolactin initiates and maintains lactation in a woman.
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: Quantitative inheritance is called polygenic inheritance.
Reason: Several genes control the expression of a trait.
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: Plasmids are single stranded extra chromosomal $\text{DNA}.$
Reason: Plasmids are found in Eukaryotic cells.
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: Heliophytes, generally have low photosynthetic, respiratory and metabolic activities.
Reason: This is an adaptation of heliophytes to high intensity of light.
Assertion (A): Griseofulvin extracted from P. griseofulvum is used for ringworm treatment.
Reason (R): Trichophyton, Epidermophyton, etc. cannot grow well in presence of Penicillium griseofulvum.
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: Many endemic species are seen to flourish in sacred forests.
Reason: Sacred forests are undisturbed forest patches and biodiversity rich areas.
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: $\text{YAC}$ vectors have been exploited extensively in the mapping of large genomes.
Reason: $\text{YAC}$ vectors have a composite structure made of bacteriophage and plasmid.
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: Whisky develops colour during the aging process.
Reason: Vodka is colourless.