MCQ
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.
  • A
    Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
  • B
    Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
  • C
    Assertion (A) is true, but Reason (R) is false.
  • D
    Assertion (A) is false, but Reason (R) is true.

Answer

Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
Explanation: Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).

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

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: Indiscriminate exploitation ofeconomically important wild plants may lead to their extinction.
Reason: Non$-$conservation of their germplasm is responsible for this.
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 : Number of chromosomes in one genome is equal to number of linkage groups.
Reason: Two homologous chromosomes form a linkage group.
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): Escherichia coli, Shigella sp., and Salmonella sp. are all responsible for diarrhoeal diseases.
Reason (R): Dehydration is common to all types of diarrhoeal diseases and an adequate supply of fluids and electrolytes should be ensured.
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: Both the passenger and vehicle $\text{DNAs}$ are treated separately with separate restriction endonuclease.
Reason: Ligation is done by the use of alkaline phosphatase and $\text{DNA}$ ligase.
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: Core enzyme catalyses chain elongation of $\text{RNA}.$​​​​​​​
Reason: The presence of sigma factor is required for initiation of transcription.
Assertion (A): No energy that is trapped in an organism remains in it forever.
Reason (R): The energy trapped by a producer/consumer is either passed to a consumer/secondary consumer or the organism dies.
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.
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 subunits of ribosomes come together only at the time of protein formation.
Reason: $Mg^{2+}$ causes their association or dissociation.
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 insertion of $\text{DNA}$ fragment into $\text{pBR 322}$ plasmid using enzyme Pst $I$ or Pvu $I$ make ampicillin resistant gene non functional.
Reason: Bacterial cells containing recombinant $\text{pBR 322}$ is unable to grow in the presence of ampicillin.