Question # 1

Membrane stack is chloroplast is called:

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Sturma

Granum

Both

None

The water from the soil enters into the root hairs by the process of

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Photosynthesis

Osmosis

Diffusion

Respiration

Carbon Dioxide is almost .......... percent in air.

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0,01

0.3

0,03

0.1

Which of the following may be the correct way of writing the scientific name of an organism?

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Canis lupis

Saccharum

Grant's gazelle

E.Coli

Who reported that all animal tissues are also composed of individual cells?

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Robert Hooke

Lorenz Oken

Robert Brown

Schwann

Programmed cell death is called ............... .

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Apoptosis

Necrosis

Both a & b

None

All ............. cells are always performing functions.

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Living

Non-living

Both

None

Which of the following variable is least likely to affect an enzymes rate of reaction?

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Temperature

pH

Carbon dioxide concentration

Enzyme concentration

In dark reaction first of all CO₂ combines with:

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5-carbon compound

6-carbon compound

3-carbon compound

Already present glucose

Supporting tissues are also known as:

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Ground tissue

Epidermal tissue

Mechanical tissue

All

When we work hard we suffer form muscle fatigue muscle cells.

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Carry out aerobic respiration and so accumulate more CO₂

Carry out anaerobic respiration and so accumulate lactic acid

Carry out aerobic respiration at faster rate and so accumulate lactic acid

Carry out aerobic respiration at faster rate and so are tired

There are about ............. to ........ enzymes in cell.

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1000-2000

1000-2050

2000-6000

2000-3000

Species that are in same ____________ are more closely related than species that are in the same _____________

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Phylum ........ Class

Family... Order

Class... Order

Family....Genus

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Biology 9th Class English Medium Online Test MCQs With Answers

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