Tag: seeds - structure and germination

Questions Related to seeds - structure and germination

Multiple choice biology seeds - structure and germination germination seed germination the flower

In maize(Zea mays) fertilization takes place between a female parent having colourless endosperm and the male parent having yellow endosperm. After fertilization, the endosperm of the new seed becomes yellow. This phenomenon is known as ___________.

  1. Dominance

  2. Xenia

  3. Met xenia

  4. Paternal influence

Reveal answer Fill a bubble to check yourself
A Correct answer
Multiple choice biology seeds - structure and germination germination seed germination the flower

In which one of the following pathogens do the cells of promycelium after the germination of teleutospore produced infection hyphae instead of basidiospores?

  1. Ustilago scitaminae

  2. Tilletia foetida

  3. Tilletia tritici

  4. Ustilago tritici

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In Ustilago scitaminae, the promycelium typically produces infection hyphae directly rather than forming basidiospores, which is a characteristic feature of this smut fungus.

Multiple choice biology seeds - structure and germination germination seed germination the flower

How many chromosomes are present in each of the following with respect to maize plants respectively?
I. Leaf epidermal cell II. Antipodal cell III. Endosperm cell
IV. Generative cell V. Egg cell VI. Megaspore

  1. $10, 20, 10, 10, 10, 20, 30$
  2. $20, 10, 30, 10, 10, 10, 20$
  3. $20, 10, 10, 10, 20, 30, 10$
  4. $30, 10, 20, 10, 20, 10, 10$
Reveal answer Fill a bubble to check yourself
A Correct answer
Multiple choice biology seeds - structure and germination germination seed germination the flower

Mark the correct match.

  1. Epigeal germination- Bean

  2. Hypogeal germination- Maize

  3. Bisexual flower- Mustard

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In beans germination takes place above the ground and maize below the ground, bisexual flowers were seen in mustard.

So the correct option is 'All of the above.'