Question # 1

What percentage of oxygen inhaled form air during breathing?

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21%

22%

23%

24%

An example of Rhizome is:

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Onion

Garlic

Ginger

Potato

What waste products are excreted by kidneys?

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Urea, water & salts

Salts, water and carbon dioxide

Urea & Water

Urea & salts.

Inside testes, sperms are produced in:

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Vas deferencs

Sperm duct

Seminiferous tubules

Collecting duct

All these are the parts of axial skeleton of human except:

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Ribs

Shoulder girdle

Sternum

Vertebral Column

The type of arthritis in which the joints become totally immoveable:

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osteo-arthritis

gout

rheumatoid

none of these

Which of the following is called voice box?

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Trachea

Larynx

Bronchi

Alveoli

A material which contain weakened pathogen is called.

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Vaccines

Antigene

Antibodies

Antiboitic

The type of symbiotic relationship in which one member get benefit and other is harmed is called.

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Parasitism

Mutualism

Commensalism

Predation

Livingof Nitrogen bacteria in the roots nodules of Leguminous plant is an example of :

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Predation

Parasitism

Mutualism

Commensalism

The unit of nervous system is:

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Nephron

Neuron

Axon

Hormone

Body balance of water, salts, temperature and glucose is termed as:

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Excretion

Tubular

Homeostasis

Re-absorption

Urine contains the least amount of.

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Urea

Sodium Ions

Water

Potassium Ion

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