Plant Kingdom CBSE 11

Gracilaria belongs to

• Rhodophyceae

• Pheophyceae

• Chlorophyceae

• None of the above

In Bryophytes zygote develops into

• Embryo

• Spores

• Zoospores

• Protonema

Which of the following features of Pinus?

• Leaves are modified to needles

• Leaves are with sunken stomata

• Thick cuticle present in leaves

• All of the above

I f the number of chromosome present in leave of pea leaf is 14.Then number of chromosome in Zygote and Endosperm will be

• 14 and 21 respectively

• 14 and 14 respectively

• 21 and 14 respectively

• None of these

If embryo sac in angiosperm represents female gametophyte then which one of the following represents male gametophyte?

• Megasporangium

• Microsporangium

• Pollen grains

• Nucellus

Most of the the algae show Haplontic life cycle but few algae also show Diplontic and Haplo-diplontic life cycle.Fucus shows which life cycle?

• Haplontic life cycle

• Diplontic life cycle

• Haplo-diplontic life cycle

• None of the above

Monocots are different from dicots in having

• Parallel venation in leaves

• Fibrous root

• Trimerous flower

• All othe above

Double fertilisation does not include

• syngamy

• triple fusion

• gametogenesis

• fusion of male gamete with polar nuclei

This life cycle is found in

• Angiosperms

• Gymnosperms

• Bryophytes and Pteridophytes

• Ectocarpus and Polysiphonia

• Both 3 and 4

Which one of the following belongs to hepatocopsida?

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