Question # 1

Electron transport chain takes place in:

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Mitochondria

Cytoplasm

Nucleus

Ribosomes

Oral cavity opens into .............. .

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Phyranx

Lyranx

Trachea

Bronchi

Which of the following does not occur in the oral cavity?

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Lubrication of the food

Beginning of protein digestion

Breaking the food into small fragments

All of the above do occur in the oral cavity

____________ is believed to have died of malaria.

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Aristotle

Alexander

Laveran

Genghis khan

Enzymes are ............. catalysts.

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Inorganic

Organic

Both a & b

None

Uncoiling of chromosomes take place during:

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Anaphase

Telophase

Anaphase

Metaphase

Many bacteria in colon produce vitamin ____________ necessary for coagulation of blood.

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A

K

C

D

You are testing a hypothesis; "students learn more if they drink tea before sitting for study". Your 20 experimental students drink tea before study;

You test their learning by giving question. Your 20 students of the control group should have all experimental conditions identical to the experimental group EXCEPT that:

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They should take tea

They should take tea before as well as during study

They should not take tea before studing

They should not sit for studing

The scientific of cat is _____________

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Felis leo

Felis Tigris

Felis domestica

Ficus domestica

Leukemia is a disease in which leucocytes increase ...................... .

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Normally

Abnormally

Both

None

Plants are classified on the basis of _____________

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Environmental conditions

Anatomy

Colour of flowers

All of the above

The chloroplast functions in ___________

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ATP synthesis

Protein synthesis

Photosynthesis

DNA replication

What happens when a mismatched blood group is injected in recipient?

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Antibodies of the recipient's blood destroy donor's RBCs

Antibodies of the donor's blood breakdown recipient's RBCs

Both of these can happen

None of these and such transfusion can be safe

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