Question # 1

The part of mustard plant which yields oil is

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Leaf

Seed

Root

Flower

krebs cycle occurs in ................. .

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Cytoplasm

Mitochondria

Lysosome

Nucleus

During mitosis the number of chromosomes becomes ............... .

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Double

Remain same

Becomes Half

None

Activation energy is required to:

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Activation enzyme

Start a reaction

Speed up a reaction

None

Exchange of materials between blood and surrounding tissues occurs in:

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Arteries

Veins

Capillaries

All of these

No life would be possible if the process of .............. stops.

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Respiration

Photosynthesis

Both

None

Ronald Ross was a ____________ army physician.

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British

American

German

Chinese

Experimentation is only a step of the scientific process but it is very important step because it always:

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Gives the biologist a correct result

Allows rejection of some alternative hypothesis

Ensures that hypothesis can be confirmed with certainity

Give scientists a chance to work in the laboratory

The kingdom of bacteria is:

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Fungi

Monera

Protista

Plantae

To waht category of molecules do enzymes belong?

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Carbohydrates

Lipids

Nucleic acids

Proteins

Who performed experiments on sparrow?

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Ross

A.F.A.King

Laveran

None

Ibn- al- Haytham is famous for his book.

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Chemistry

Optics

Biology

Coordination

Pollination is the transfer of pollens from:

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Anther to sigma

Stigma to anther

Sepal to petal

Petal to sepal

The sensitive layer of eye is:

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sclera

choroid

retina

iris

Which of the following drugs is obtained from plants?

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Aspirin

Opium

Cephalosporin

Insulin

Which of the following air pollutant react with water in atmosphere producing acid rain?

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Hydrocarbons fluorine

Flyash, soot

chlorine , smoke

Sulphur dioxide, Nitrogen oxide.

In an arranged data the value lying in the middle is called:

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Average

Median

Mode

All of them

Enzyme used to cut the identified gene from the total DNA of Donor organisms is.

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Endonuclease

Ligase

Restriction Endonuclease

Amylase

Which plant reproduces by stem tubers?

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Onion

Garlic

Potato

Ginger

Enssential process for continuation of species is:

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locomotion

reproduction

respiration

cloning

The chemical composition of glomerulus filtrate is:

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Water + salts + glucose + urea

salts + glucose + blood cells

blood cells + proteins + water

glucose + urea + proteins + water

The end of the skeletal muscle attached with ammoveable bone is called:

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Origin

Tendon

Ligament

Insertion

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