Question # 1

Which of the following best describes the logic of the scientific process.

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If I generate a testable hypothesis tests and observations will support it

If my observation are accurate they will support my hypothesis

If my hypothesis is correct, I can expet certain test result

If my prediction is correct it will lead to a testable hypothesis.

Which ion plays a role in the opening of stomata.

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Sodium

Potassium

Calcium

Magnesium

The amout of energy obtained from one gram of fat is.

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9 Kcal/g

5 Kcal/g

13 Kcal/g

17 Kcal/g

Vireus are not included in any domain or classifications as.

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They ae poorly understood

They are not considered as organism

They are too large

They are of various colours

Which of the followig are not changed during the biochemical reactions.

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Substrate

Enzymes

Products

ES complex

What is true about cofactors.

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Help facilitate enzymes activity

Are composed of proteins

Break hydrogen bond in proteins

Increase activation energy

Scientific name has advantagesof.

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Same name applied to differente organisms

Same organismsm have different name in differente arreas.

Has scientific basis and is univrsally accepted

Has no scietific basis

Scientific name has advantages of.

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Has scietific basis and is universally accepted

Same name applied to different organisms

Same organismsm have different name in differente areas

Has no scietific basis

What is the correct experiment to known that Plasmodium destroys blood cells?

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Examine the blood of a single healthy person

Examine the blood of some healthy and also some infected persons

Allow mosquito to bite a ehalthy person and examine his blood

Examine the blood of a single infected person

Most abundant biomolecule in the cell is

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Lipids

Proteins

Carbohydrates

Nucleic acids

Which of the following best describes the field of biotechnology.

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Use of biologicla processes to develop technologies

Study of diseases

Study of marine life

Management of forest resources

There are ........P-bonds in an ATP molecule

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Two

Nine

Six

Four

What roles does maganesium play in plants.

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Aids in water transport

Is a component of chlorophyII

Promotes early root formation

Involved in enzyme functions

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