Question # 1

Sir Alexender Flamuing was awarded the Nobel prize in:

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1940

1945

1950

1960

What happens during Exhalation?

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Ribs muscles relax

Diaphragm become dome shaped

Pressure on lungs increased

All of these

Which organ filter the blood.

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Intestine

Kidney

Stomach

Brain

Natural vegetation propagation in Garlic is by:

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Bulbs

Corms

Rhizomes

Stem tubers

The materials flow from one trophic level to the next by means of:

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Food chains

Food web

Both a & b

None of these

Neurons in which direction of nerve impulses is towards brain cord are called;

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Sensory Neurons

Associative Neurons

Motor Neurons

_{Nerve impuse}

The human genome project was started in.

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1990 AD

1991 AD

1992 AD

1993 AD

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

Where does the gaseous exchange occur in humans?

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Pharynx

Trachea

Bronchi

Alveoli

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

Chromatin material is made of:

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DNA

Protein

RNA

DNA and Protein

What is tertairy cornivore:

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Deer

Frog

Snake

Lion

Alternative forms of a gene are called.

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Allele

DNA

Chromosome

Gamete

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