Question # 1

The primary chemical stimulus for breathing is the concentration of.

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Carbon dioxide in blood.

Oxygen in blood

Carbon oxide in muscles

Oxygen in muscles.

The conversion of ammonia to nitrates is carried out by soil bacteria. This process is called.

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Nitrification

Denitrification

Nitrogen fixation

Assimilation

After fertilization in plant the fruit develops from:

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Wall of ovule

Petals

Wall of ovary

Anther

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

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Photosynthesis

Circulation

Fermentation

Transpiration

______ get solar energy and transform it into chemical energy by the process of photosynthesis.

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Decomposers

Producers

consumers

Predators

Expired drugs cause damage to.

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Heart

Lungs

Kidneys

Stomach

All herbivore animals are.

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Grass eater

Parasites

Predators

Prey

Name of mature blood cells is:

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Osteocytes

Chondrocytes

Oocytes

Tendos

In an ecosystem the flow of _________ is one way, while _________ is/are constantly recycled.

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Minerals, energy

Energy minerals

Oxygen, Energy

Glucose, water

All living thing had been created in their current form only a few thousand years ago. This idea is known as:

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Theory of special creation

Evolution

Variations

None of these

The respiratory disease that is the destruction of the walls of Alveoli is;

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Asthma

Pneumonia

Emphysema

Bronchitis

It is also called sound box:

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trachea

larynx

pharynx

bronchus

Which of the following is the abiotic part of ecosystems?

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Grass

Goat

Lion

Soil

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