Question # 1

One of the drugs derived from minerals.

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Aspirin

Opium

Iodine tincture

Streptomycin

Which of these germinate by epigeal germination?

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Pea

Maize

Beans

Coconut

------------ is use for the cleaning of sewage water.

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Bacteria

Virus

Algae

Fungi

It is genetic material.

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DNA

RNA

IRNA

rRNA

Where does the gaseous exchange occur in humans?

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Pharynx

Trachea

Bronchi

Alveoli

A cough, mild wheezing, fever chills and shortness of breath are symptoms of:

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Emphysema

Pneumonia

Bronchitis

Asthma

How sexual reproduction takes place in Rhizopus?

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By binary fission

By budding

By spores

By Endospores

The populations that live in a habitat and interact with one another are collectively called.

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Biosphere

Ecosystem

Community

species

Genes consist of:

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DNA

RNA

mRNA

Protein

International breeding between individuals for certain traits, or combination of traits is called as.

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Variations

Evolution

Natural selection

Artificial selection

Example of discontinuous variation is:

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Blood group

Height in Man

Intelligence

None of these

Babies are born with about________ soft bones.

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206

250

300

350

Decomposers are.

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Algae and bacteria

Mosses

Animal

Bacteria and Fungi

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