Download App

How do Organisms Reproduce? — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceHow do Organisms Reproduce?1 Mark
MCQ
For two statements are given $-$ one labelled Assertion $(A)$ and the other labelled Reason $(R)$. Select the correct answer to these questions from the codes $\ce{(a), (b), (c)}$ and $(d)$ as given below :
Assertion : All the sepals together are called corolla.
Reason : The function of sepals is to protect the flower in the bud stage.
  • A
    Both $A$ and $R$ are true and $R$ is correct explanation of the assertion.
  • B
    Both $A$ and $R$ are true but $R$ is not the correct explanation of the assertion.
  • C
    $A$ is true but $R$ is false.
  • ✓
    $A$ is false but $R$ is true.
✓

Answer

Correct option: D.
$A$ is false but $R$ is true.
All the sepals taken together are called calyx.

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 - Reasoning (1 Marks)" from How do Organisms Reproduce?→How do Organisms Reproduce? — all question types→Science STD 10 question papers→CBSE Board STD 10 question papers→CBSE Board question paper generator→

Similar questions

For two statements are given $-$ one labelled Assertion $(A)$ and the other labelled Reason $(R)$. Select the correct answer to these questions from the codes $\ce{(a), (b), (c)}$ and $(d)$ as given below :
Assertion : When two long parallel wires, hanging freely are connected in parallel to a battery, they come closer to each other.
Reason : Wires carrying current in opposite directions repel each other.
→
For two statements are given $-$ one labelled Assertion $(A)$ and the other labelled Reason $(R).$ Select the correct answer to these questions from the codes $\ce{(a), (b), (c)}$ and $(d)$ as given below :
Assertion : Bromine cannot displace chlorine from its salt solution.
Reason : Chlorine is more reactive than bromine.
→
For two statements are given $-$ one labelled Assertion $(A)$ and the other labelled Reason $(R)$. Select the correct answer to these questions from the codes $\ce{(a), (b), (c)}$ and $(d)$ as given below :
Assertion : The movement of water and dissolved salts in xylem is always upwards.
Reason : The upward movement of water is due to low pressure created by transpiration.
→
Assertion (A): During fertilization, the only head of the spermatozoa enters the egg.
Reason (R): If several spermatozoa hit the egg at the same time, all can enter the egg.
→
Assertion (A): Producers are capable of using light energy from the sun to make food available in an ecosystem.
Reason (R): All food chains in an ecosystem start with a producer.
→
For two statements are given $-$ one labelled Assertion $(A)$ and the other labelled Reason $(R)$. Select the correct answer to these questions from the codes $\ce{(a), (b), (c)}$ and $(d)$ as given below :
Assertion : ln humans, male $($or father$)$ is responsible for sex of the baby which is born.
Reason : $Y$ chromosomes are present in only male gametes or sperms.
→
Assertion (A): Ecology is study of relationship between living organisms and their environment.
Reason (R): The biotic community and non-living environment of an area function together to form an ecosystem.
→
For two statements are given $-$ one labelled Assertion $(A)$ and the other labelled Reason $(R)$. Select the correct answer to these questions from the codes $\ce{(a), (b), (c)}$ and $(d)$ as given below :
Assertion : Magnetic field interacts with a moving charge and not with a stationary charge.
Reason : A moving charge produces a magnetic field.
→
For two statements are given $-$ one labelled Assertion $(A)$ and the other labelled Reason $(R)$. Select the correct answer to these questions from the codes $\ce{(a), (b), (c)}$ and $(d)$ as given below :
Assertion : Rainbow is an example of the dispersion of sunlight by the water droplets.
Reason : Light of shorter wavelength is scattered much more than light of larger wavelength.
→
For two statements are given $-$ one labelled Assertion $(A)$ and the other labelled Reason $(R).$ Select the correct answer to these questions from the codes $\ce{(a), (b), (c)}$ and $(d)$ as given below :
Assertion : We can decide the nature of a mirror by observing the size of erect image in the mirror.
Reason : The minimum distance between a real object and its real image in a concave mirror is non zero.
→