MCQ
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 : Brown sugar is morphine-derivative
Reason: Morphine is the principal opium alkaloid.
  • A
    Both assertion and reason are true, and reason is the correct explanation of assertion.
  • 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: B.
Both assertion and reason are true, but reason is not the correct explanation of assertion.

Morphine is a derivative of the opium. It is the principal opium alkaloid and a strong analgesic. Diacetyl morphine hydrochloride is brown sugar/ smack and is more powerful analgesic than morphine.

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 : There are $36$ biodiversity hotspots in the world.
Reason : High level of species richness is a criteria for selection of a biodiversity hotspot.
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 : Number of chromosomes in one genome is equal to number of linkage groups.
Reason: Two homologous chromosomes form a linkage group.
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: Cross pollination is the only means of pollination in unisexual flowers.
Reason: Self$-$sterility is the only way to prevent self$-$pollination in bisexual flowers.
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 : $Y$ chromosome causes maleness.
Reason: If the number of $X$ chromosome is more than one, femaleness dominates.
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 : Mycorrhizal relation exists between Boletus and Pinus.
Reason : It is a symbiotic interaction.
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: Mutations are discontinuous variations.
Reason: Mutations occur suddenly.
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: Pollen grains of many insect pollinated species are sticky.
Reason: In the anemophilous flower, the pollen grains are powdery and non$-$sticky.
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: $R-$type of Pneumococcus is non$-$virulent.
Reason: $R-$type of Pneumococcus can be virulent by having transformation with $S -$type of Pneumococcus.
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 : Bacterial cells are made competent by treating them with specific concentration of a divalent cation.
Reason : Treatment of bacterial cell with a divalent cation increases the efficiency with which $\text{DNA}$ enters the bacterium through pores in its cell wall.
Number of rice varieties developed by ancient Indians was :