Tag: seeds

Questions Related to seeds

Orchid seeds are

  1. Large and sticky

  2. Small and hairy

  3. Small and light

  4. Large and heavy


Correct Option: C
Explanation:

Orchid seeds are small, light and contain little food reserves. A single seed capsule may contain1,500 to 3,000,000 seeds. Orchid seeds are small, dry, dusty and weighing as little as 0.004 mg.
So, the correct answer is 'small and light'

A berry fruit is

  1. Fleshy and single seeded

  2. Fleshy and multiseeded

  3. Dry and multiseeded

  4. Dehiscent and single seeded


Correct Option: B
Explanation:

A berry fruit is fleshy and multiseeded. Berry is a fleshy fruit produced from a single flower and containing one ovary. Grapes and bananas are two common examples. The berry is the most common type of fleshy fruit in which the entire ovary wall ripens into an edible pericarp. They may have one or more carpels. The seeds are usually embedded in the fleshy interior of the ovary, but there are some non-fleshy exceptions, such as peppers, that have air rather than pulp around their seeds.
Thus, the correct answer is option B.

An example of monocot plant

  1. Coconut

  2. Almond

  3. Sunflower

  4. Mango


Correct Option: A
Explanation:

The coconut tree is in the family of palm trees, and palm trees are monocotyledons. Almonds, mango and sunflower are dicots. 

Therefore, the correct answer is option A.

Arrange the following in the order of their location from periphery to centre in the entire dicotyledonous plant body ______________.

  1. Fusiform cells

  2. Trichoblasts

  3. Collocytes

  4. Tyloses


Correct Option: B

Non-essential for seed germination is

  1. Light

  2. Water

  3. Air

  4. Temperature


Correct Option: A
Explanation:

Seeds germinate in the presence of warmth, moisture and air. No light is needed for germination. Seeds generally contain starch as food supply. So, light is not needed for food production also during germination.

So, the correct answer is 'Light'

The plant part which consists of two generations one within the other, is ____________.

  1. Germinated pollen grain

  2. Embryo

  3. Unfertilized ovule

  4. Seed


Correct Option: D

In which of the following plants, cotyledons form the first pair of leaves?

  1. Maize

  2. Castor

  3. Rice

  4. Bean


Correct Option: B
Explanation:

If food is stored inside the endosperm then the cotyledons become small and thin. Such seeds are called as endospermic seeds or albuminous seeds. For example, maize, wheat and other cereals, castor bean seeds and coconut seeds.
So, the correct answer is 'Castor'

Maize grain is

  1. Seed

  2. Embryo

  3. Ovule

  4. Fruit


Correct Option: A
Explanation:

The pericarp of the maize is fused with the seed coat known caryopsis. The entire kernel is referred to as the seed.
Therefore, the correct answer is option A.

In which of the following, the seed germinates and still attached with the main plant?

  1. Mango

  2. Rhizophora

  3. Neem

  4. Coconut


Correct Option: B
Explanation:

Viviparous plants produce seeds that germinate before they detach from the parent plant. In Rhizophora (mangroves), the seed germinates and develops into the seedling when it still attached to the parent plant
So, the correct answer is 'Rhizophora'

After preparing a transverse section out of a cut piece of a
plant axis, it was seen that it has a C shaped open arch of
end arch collateral vascular bundles with secondary growth.
This indicates that it is a transverse section of _______________.

  1. A dicotyledonous petiole

  2. A dicot stem at the node

  3. A dicot root at the point where a root branch is corning out

  4. A phylloclade


Correct Option: A