Tag: seeds - structure and germination

Questions Related to seeds - structure and germination

During germination of barley grain, the enzyme a-amylase is secreted by ______________.

  1. Seed coat

  2. Aleuronic layer

  3. Coleorhizae

  4. Coleoptiles


Correct Option: A

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


Correct Option: A

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


Correct Option: A

Which one of the following plants exhibits monopole germination of embryo?

  1. Cuscuta

  2. Mistletoe

  3. Carrot

  4. Sandwood


Correct Option: A

Kinetin was first isolated from _________________.

  1. Immature corn seeds

  2. DNA of coconut milk

  3. DNA of herring sperm

  4. DNA of monkey's liver


Correct Option: A

During the germination of coconut, the major stored food is digested by.

  1. a-amylase

  2. Lipase

  3. Protease

  4. Trypsin


Correct Option: A

Equal amount of germinating maize and groundnut seed are taken their collective $rq$ will be ____________.

  1. One

  2. Greater then 1

  3. Less the 1

  4. Infinity


Correct Option: A

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. $30, 10, 20, 10, 20, 10, 10$


Correct Option: A

As global temperature increases, it would also give rise to

  1. Rainfall Pattern

  2. Wind

  3. Precipitation

  4. Snowfall pattern


Correct Option: A

Mark the correct match.

  1. Epigeal germination- Bean

  2. Hypogeal germination- Maize

  3. Bisexual flower- Mustard

  4. All of the above


Correct Option: D
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.'