Question # 1

When a plant was kept in darkness for many days, its leaves turnes yellow. Why?

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Leaves could not yet oxygen and so there was no photosynthesis

Leaves could not get light and so there was no respiration

Leaves could not get oxygen and so there was no respiration

Leaves could not get light and so there was no photosynthesis

Breaking of large molecules of fats into small droplets is called:

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Emulsification

Digestion

Assimilation

Egestion

According to Binomial nomenclature the name of organism is composed of _____________ parts.

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Three

Four

Two

One

In which group of the following is present Mg?

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Chlorophyll

Cytochrome

Haemoglobin

None of these

Which of the following cells is most abundant in the blood?A

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Red blood cells

White blood cells

Platelets

None of these

Plasma constitute about ............. %.

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50%

55%

40%

45%

The pancreatic juice contains ............. enzymes.

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Two

Three

Four

Five

Respiration is a.............. process.

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Constructive

DestructIon

Both

None

.............. set up the largest land empire ever known.

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Aristotle

Alexander

Laveran

Genghis khan

Necrosis is death due to ............ cell damage.

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Unexpected

Accidental

Both a & b

None

When we work hard we suffer from muscle fatigue because muscle cells:

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Carry out aerobic respiration at faster rate and so are tired

Carry out anaerobic respiration and so-accumulate more CO₂

Carry out anaerobic respiration and so accumulate lactic acid

Carry out aerobic respiration at faster rate and so burst

R-2 means.

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Reduce

Recycle

Renewable

Reuse

No. of components of coordination process is:

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4

7

3

5

The base of food chain is always formed by:

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Producers

Consumers

Decomposrs

Heterotrophs

Arthritus means:

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fracture

inflammation

crystallization

deficiency of calcium

Find the INCORRECT statement:

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Bone is where most blood cells are made.

Bones serves as a storehouse for various minerals.

Bones is a dry and non-living supporting structure.

Bone protects and supports the body and its organs.

Antibiotics kill or stop growth of:

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Worms

Viruses

Bacteria

Yeast

Which one of the following is a tertiary consumer:

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Owl

Larwa of butterfly

Deer

Rabbit

Pair of skeletal muscles are called.

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Extensor

Flexor

Antagonistis

None of these

Which one of the example of abiotic factor?

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Decomposoer

Light

Water

Soil

A material which contain weekened pathogen is called:

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Vaccines

Antigens

Antibodies

Antibiotics

The process in which there is insomplete oxidation reduction of glucose :

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Photosynthesis

Circulation

Fermentation

Transpiration

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