Tag: monocot seed

Questions Related to monocot seed

Monocot seeds are mostly endospermic, which of the following is a monocot non -endospermic seed?

  1. Oryza

  2. Castor

  3. Alisma

  4. Avena


Correct Option: C
Explanation:

Monocot seeds are mostly endospermic, but Alisma is a monocot non -endospermic seed. In most monocotyledons the seeds are endospermic. The embryo is embedded in the endosperm which the seedling will use upon germination. In few they are non-endospermic seeds like that of dicotylednous plants where the endosperm is absorbed by the embryo as the latter grows within the developing seed and the cotyledons of the embryo become filled with stored food. 
Therefore, the correct answer is option C.

An example of monocot fibre yielding plant is

  1. Cocos

  2. Corchorus

  3. Clematis

  4. Crotalaria


Correct Option: A
Explanation:

Cocos nucifera, the coconut palm, is a monocot perennial member of the Arecaceae, cultivated in tropical areas worldwide for its fruit and fiber. Coir, the fiber from the husk of the coconut is used in ropes, mats, door mats, brushes, sacks, caulking for boats, and as stuffing fiber for mattresses. It is used in horticulture in potting compost, especially in orchid mix. Thus, option A is correct. Corchorus, Clematis and Crotalaria are dicot plants. Thus, other options are wrong.

Which of the following is an oil seed plant ? 

  1. Sunflower

  2. Hibiscus

  3. Marigold

  4. Rose


Correct Option: A
Explanation:

Sunflower is an oil seed plant (Helianthus annus L). The seeds of sunflower has 39 to 49% of oil.  It is the premium cooking oil because it has high level of unsaturated fatty acids. 

Colerhiza is cap-like covering over

  1. Radicle in dicots

  2. Plumule in dicots

  3. Plumule in monocots

  4. Radicle in monocots


Correct Option: D

The exceptional example of a monocotyledonous plant having a central red midrib is

  1. Date palm (Phoenix dactylifera)

  2. Banana (Musa sp.)

  3. Indian shot (Canna indices)

  4. Bird of paradise flower (Strelitzia reginae)


Correct Option: D
Explanation:

The 'bird of paradise flower', or 'crane flower' as it is sometimes known, was first introduced into Britain in 1773 by Sir Joseph Banks. The plant itself can reach up to 5 feet in height with a 2-3 foot spread. The plant is trunk less, compact and clustering but slow growing with fleshy roots. S. reginae has banana shaped stiff- leathery, concave, oblong, bluish-gray leaves with a pale or red midrib. The leaves are attached to a long stalk that sometimes reaches up to 2 feet in length.