Question # 1

Horizontal underground stems with scale leaves are called:

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stem tubers

rhizomes

corms

bulbs

The simple and most common way of asexual reproduction in bacteria:

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Binary fission

Multiple fission

Regeneration

Budding

In fungi, the spore is covered by a thick wall called.

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Spore formation

Sporophyte

Cyst

Endospores

In propagation of peach _________ is use:

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Cutting

Grafting

Suckers

Runners

Short underground stems surrounded by thick fleshy leaves that contain stored food are called:

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stem tubers

suckers

corms

bulbs

Reproducing a new plant form any part of a plant is:

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Parthenogenesis

Cutting

Grafting

Tissue culture

Double fertilization results into:

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Ovule

Egg

Triploid Endosperm Nucleus

Diploid Endosperm Nucleaus

Double fertilization in plants means:

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Fusion of two sperm with two egg cells.

Fusion of one sperm with egg cell and other sperm with fusion nucleus

Fusion of two sperm with single egg cell

Fusion of tube nucleus with fusion nucleus and sperm egg cell

Microsphore in plants is also termed as:

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Pollen grain

Pollen tube

Germ nucleus

Mega spore

The optimum temperature for the germination of the seeds of most plants ranges from:

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20 - 30 ^oC

25 - 35^oC

25 - 30^oC

20 - 25^oC

Flowers of wind pollination produce.

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Petals

Nectar

No nectar

Do not reproduce

The latest method of vegetative propagation is:

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Budding

Bulbs

Cuttings

Cloning

Planaria reproduces asexually by

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budding

binary fission

parthenogenesis

spore formation

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