21.

The scutellum observed in a grain of Wheat or maize is comparable to which part of the seed in other monocotyledons?

• Cotyledon

• Endosperm

• Aleurone layer

• Aleurone layer

Which one o0f the following is monoecious?

• Marchantia

• Cycas

• Pinus

• Pinus

Vegetative propagation in Pisitia occurs by 

• stolen

• offset

• runner

• runner

Mannitol is the stored food in of

• Chara

• Porphyra

• Fucus

• Fucus

The correct sequence of plants in a hydrosere is

• Oak → Lantana → scirpus→Pistia→Hydrilla→Volvox

• Volvox → Hydrilla → Pistia → Scirpus → Lantana → Oak
  

• Pista → Volvox → Scirpus → Hydrilla → Oak → Lantana

• Pista → Volvox → Scirpus → Hydrilla → Oak → Lantana

Vegetative propagation in mint occurs by 

• runner 

• offset

• rhizome

• rhizome

Which one of the following is a vascular cryptogam?

• Equisetum 

• Ginkgo

• Marchantia

• Marchantia

Which one of the following is considered important in the development of seed habit?

• Dependent sporophyte

• Heterospory

• Haplontic life cycle

• Haplontic life cycle

Examine the figure A, B, C, and D. In which one of the four options, all the items A, B, C and D are correct.

• A	B	C	D
  Chara	Marchantia	Fucus	Pinus

• A	B	C	D
  Equisetum	Ginkgo	Selaginella	Lycopodium

• A	B	C	D
  Selaginella	Equisetum	Salvinia	Ginkgo

• A	B	C	D
  Selaginella	Equisetum	Salvinia	Ginkgo

Which one of the following is heterosporous? 

• Dryopteris 

• Salvinia

• Adiantum

• Adiantum