Question

Assertion: The fertile part of the seed is the tigellum.

Reason: Tigellum produces root and shoot systems of the plant body.

• A. Assertion is false but the reason is true.
• B. Assertion is true but the reason is false
• C. Both assertion and reason are true and the reason is the right explanation for the assertion.
• D. Both assertion and reason are true but the reason is not the right explanation for the assertion.

Answer 1

The correct option is C

Both assertion and reason are true and the reason is the right explanation for the assertion.

The correct option is C.

Explanation of the correct option:

Assertion:

1. The endosperm is the portion of the seed that is viable.
2. The primary axis of the embryo is referred to as the tigellum.
3. The pointed, protruding end of the tigellum, which is also known as the radicle, is situated near the micropyle end.
4. The plumule is the name for the tigellum opposite end.

Reason:

1. The plumule and radicle, which eventually give rise to the shoot and root, are produced by the tigellum, also referred to as the embryonal axis.
2. The radicle region gives rise to the root system, whereas the plumule region gives rise to the shoot system.

Final answer: (C)Both assertion and reason are true and the reason is the right explanation for the assertion.