Question # 1

R-3 means.

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Less use

Reuse

Recycle

Refuse

Where does the gaseous exchange occur in humans?

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Pharynx

Trachea

Bronchi

Alveoli

The consumersthat eat animal flesh as well as plants and plant products are called:

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Herbivors

Carnivores

Omnivores

Insectivores

Until 1890 the subject pharmacology was known as:

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Clinical pharmacology

Materia medica

Pharmacy

All of these

Rabbit is a :

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Producer

Herbivore

Cornivore

Tertiary Consumer

The two main functions of sweat are.

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To keep the body cool and to remove excess proteins.

To keep the body warm and to filter the bood

To filter the blood and the remove waste product

To remove waste products and to cool the body.

Genes consist of:

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DNA

RNA

mRNA

Protein

Resin as waste materials, is excreted from.

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Conifers

Tomato

Kikar

Rubber

Microsphore in plants is also termed as:

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Pollen grain

Pollen tube

Germ nucleus

Mega spore

Variatations show distinct phenotypes and phenotypes of such variations cannot be measured by:

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Discontinuous variations

Continuous variations

Both a and b

None of these

The wok on genetic engineering started in:

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1944

1946

1948

1952

The loss of water from plant surface in the form of vapours is called.

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Transpiration

Guttation

Excretion

Thermoregulation

Number of Ribs in man are:

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10 pairs

12 pairs

20 Pairs

22 pairs

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