Question # 1

The union of meiotically produced specialized sex cells from each parents produce

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Fertilized egg

Unfertilized egg

Zygote

Both a & c

Vehicle for transport of male gamete in land plants is

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Water

Pollen tube

Pollen grain

Wind

Fertilizations is the process which leads to the union of.

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Individuals

Gametes

Eggs

Sperms

Germinating pollen grain is a rich source of

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Gibberellins

Auxins

Cytokinin

Ethene

Luteinizing hormone induces

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Flowering

Ovulation

Vernalisation

Menopause

The electrical potencial of cell membrane of meuron when it is not transmission any signal is called ___________

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Resting membrane potencial

Action potencial

Propagation of impulse

Synapse

The temperature more effective for vernalization is

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4 ^oC

8^oC

12^oC

16^oC

Effect of photoperiodism was first studied in 1920 by

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Darwin & Francis

Garner & Allard

Linnaeus & Lamarck

Walson & Crick

Sperm are formed in.

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Vas deferens

Collecting ducts

Seminiferous tubules

Epididymis

Photoperiodism was first studied by garner and allured in.

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1918

1920

1922

1924

In human only one ovum is usually discharged from the ovary at one time this phenomenon is called

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Ovulation

Menstruation

Oestrous

Apomixes

Lutinizing hormone induces.

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Menstruation

Menopause

Ovulation

Oogenesis

Fruit ripening is due to the production of.

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Auxins

Cytokinin

Gibberellin

Ethane

Luteinizing hormone induces.

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Flowering

Vernalization

Ovulation

Menopause

The light effective in preventing flowering in cocklebur is.

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Blue light

Red light

Yellow light

Orang light

If fertilization does not occur the corpus luteum starts

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Progesterone

Menstrual cycle

Degenerating

Regenerating

Haploid males produce sperms by mitosis.

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Hydra

Man

Earth worm

Honey bee

An example of long day plant is

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Tomato

Cabbage

Corn

Soyabean

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