Question # 1

Anton Van Leeuwenhoek was ............... scientist.

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English

Dutch

French

German

What would be the best experimental design for testing a hypothesis that bean plants require sodium?

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Measure the amount of sodium in a few bean plants

Grow bean plants with and without sodium

Look for sodium in leaf tissues

Analyze root contents for sodium

Are the major source of energy .

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Protein

Lipid

Crabohydraets

Vitamins

The building units of enzymes are:

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Fatty acids

Glycerol

Nucleic acid

Amino acid

Plasmodium was named by:

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Ross

A.F.A.King

Laveran

None

The molecule that fits the active sites that is called:

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Substrate

Enzyme

Catalyst

All

Who introduced Taxon of 'order' in classification?

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Caesalpino

John Ray

Tournefort

Rivinus

Trypsin works at the PH of:

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2

4

8

6

In which of the following steps of respiration CO₂ is produced?

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Glycolysis

Krebs cycle

Electron transport chain

All of these

Saliva is alkaline and contains an enzyme:

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Pepsine

Rennin

Ptyalin

Amylase

Histology is scientific study of

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Organs

Cellss

Muscles

Tissues

Which one of the following is correct sequence in biological method?

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Observations, Hypothesis , Law, Theory

Hypothesis, observations, Deductions , Experimentation

Observations, hypothesis, Deduction, Experimentation

Law, Theory , Deduction, Observations

Which organelles have their own DNA?

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Chloroplast

Mitochondria

Both

None

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