Question # 1

Which of following helps in lowering blood cholesterol and sugar levels?

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Roughage

Lipids

Vitamin

Carbohydrates

The major energy currency of all cells is:

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ADP

ATP

AMP

P-bonds

................. was a German Botanist.

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Mathias Schleiden

Theodor Sachwann

Robert Brown

Robert Hooke

Trace the pathway of water from the soil through the plant to be the atmosphere:

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Endodermis, cortex , epidermis , xylem , intercellular spaces in mesophyll, stomata

Epidermis, endodermis , phloem, cortex of leaf, intercellular spaces of mesophyll, stomatta

Root hairs, epidermis , Cortex, xylem, endodermis, intercellular spaces in mesophyll, stomata

Root hairs, Cortex, endodermis ,xylem,intercellular spaces in mesophyll, stomata

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

Find the correct statement.

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Homologous chromosomes form pairs during mitosis

Chromosomes do not duplicate in the interphase preceding meiosis-I

Homologous chromosomes form pairs during mitosis but not mitosis

Spindles are not required during meiosis

When stomatal opening reduce in sixe, the rate of transpiration ............... .

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Transpiration

Transcription

Translation

Allof above

A cubic milimeter blood of male contains RBC:

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5 - 5.5 million

4-4.5 million

3-4 million

None of the above

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

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Glycolysis

Krebs cycle

Electron transport chain

All of these

Cell theory was proposed by:

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Robert Hooke

Schwann

Schleiden

Both B and C

................ are called accessory pigments.

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Chlorophyll II

Xanthophyll

Carotenoids

All

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 system was proposed by:

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Aristotle

Robert Whittaker

Carolus Linnaeus

Both a & b

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