Seed Coat Structure Quiz

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What is the function of arillode in a seed?

Facilitation of germination

Transport of water and nutrients

Protection of the seed (correct)

Storage of reserve food

Which structure in a seed is responsible for the storage of reserve food in exalbuminous seeds?

Strophiole

Endosperm

Perisperm

Embryo (correct)

What supplies Nitrogen, Sulfur, and Phosphorus in seeds as part of the reserve food materials?

Proteins (correct)

Aleurone grains

Carbohydrates

Fixed oil

Which seed structure is an extension of the testa in the form of a membranous fold?

Wing Signup and view all the answers

In which seeds are aleurone grains found as a reserve food material?

Leguminous seeds and Cereals Signup and view all the answers

What is the function of caruncle in a seed?

Facilitation of germination Signup and view all the answers

What does the nutrient layer in seeds consist of?

Thin walled parenchyma filled with starch granules Signup and view all the answers

What happens to the cells of the nutrient layer during development?

They collapse forming a band of cell wall Signup and view all the answers

In which seeds is the nutrient layer used for starch storage?

Linseed and cardamom Signup and view all the answers

Which seeds have deeply colored cell contents in the inner layer of the testa?

Linseed and black mustard Signup and view all the answers

What is the role of the nutrient layer in seed development?

Storage of starch granules Signup and view all the answers

Which type of cells make up the nutrient layer in seeds?

Thin-walled parenchyma filled with starch granules Signup and view all the answers

What is the function of the palisade layer in the seed coat?

To facilitate gas exchange for seed respiration Signup and view all the answers

Which seed type is more likely to have both endosperm and perisperm surrounding the embryo?

Albuminous seed Signup and view all the answers

In which type of seeds is the endosperm absent?

Nux vomica seeds Signup and view all the answers

Which one of the following seeds has a sclerenchymatous layer in its seed coat?

Capsicum seeds Signup and view all the answers

What distinguishes the epidermis in Cardamom seeds from that in Lobelia seeds?

Cells with thickened radial walls and base Signup and view all the answers

Which type of seed coats have a palisade layer consisting of cells with polygonal prisms?