AGR022 SEEDS

Which of the following is not the main parts of seed?

• SEED COAT

• EMBRYO

• EPICOTYL

• ENDOSPERM/COTYLEDON

Which of the following acts as food supply for the embryo of the seed?

• Hypocotyl

• Cotyledon

• Plumule

• Testa

Monocot seeds have this large structure for food storage.

• Plumule

• Epicotyl

• Collenchyma

• Endosperm

Rearrange the correct stages in seed germination.

IV : Imbibition of Water

V : Emergence of Radicle

II : Growth of Plumule

III : Rupture of Seed Coat and Emergence of Cotyledons

I : Development of Embryo Axis Into Seedling

• V, IV, II, III, I

• IV, V, II, I, III

• III, V, IV, I, II

• IV, V, II, III, I

Which of the following are INTERNAL FACTORS affecting seed germination?

I. PRESENCE OF AUXIN

II. RESERVED FOOD

III. IN DORMANT STATE

IV. PHOTOSYNTHESIS

• I & II

• II & III

• III & IV

• I & III

__________ will develop into root, __________ leads to the formation of shoot.

• Radicle, plumule

• Epicotyl, hypocotyl

• Plumule, radicle

• Hypocotyl, epicotyl

Which of the following is not external factor affecting seed germination?

• Air

• Food

• Water

• Light

__________ seeds are viable seeds that do not germinate because they require specific internal or environmental stimuli to resume growth

• Dicot

• Normant

• Dormant

• Monocot

During ___________ germination, elongation of the hypocotyl makes the cotyledons pushed out of the soil

• Hypocotyl

• Epigeal

• Epicotyl

• Hypogeal

During ___________ germination, elongation of the epicotyl makes the cotyledons remain in the soil

• Hypocotyl

• Epigeal

• Epicotyl

• Hypogeal