Question # 1

An example of Rhizome is:

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Onion

Garlic

Ginger

Potato

Water lily is example of.

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Halophytes

Hydrophytes

Xerophytes

Mesophyte

All populations collectively are called:

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Species

Biome

Community

Ecosystem

Which gas us absorbed through stomata of plant during night?

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Carbon dioxide

Oxygen

Nitrigen

Hydrogen

A relationship between two organisms in which individual of one species may kill and eat individuals of other species is called.

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Symbiosis

Competition

Predation

Mutualism

The process in which there is incomplete oxidation reduction of gluceose.

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Photosynthesis

Circulation

Fermentation

Transpiration

In retina the photosensitive cells are:

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rods

cones

neurons

both A and B

The nature of myelin sheath is:

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Conductor

Elastic

Insulator

Rigid

The Allele which is not expressed is called:

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Dominant

Recessive

Homozygous

Hetrozygous

Example of Ectoparasite is:

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Becteria

Virus

Ascaris

Mosquito

Glottis is a narrow opening at the floor of:

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Nasal cavity

Nostril

Pharynx

Antibiotics

The utilization of nitrates by organisms is called.

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Nitrification

Ammonification

Assimilation

Denitrification

Babies are born with about________ soft bones.

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206

250

300

350

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