Question # 1

Pyruvic acid is produced in ______ respiration:

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Aeorbic

Anaerobic

Both aerobic and anaerobic

None of these

The air enters the leaf through __________

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Pits

Stomata

Mesophyll

Xylem vessels

Which of these materials is not a component of plasma membrane?

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Lipids

Carbohydrates

Proteins

DNA

The major energy currency of all cells is:

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ADP

ATP

AMP

P-bonds

viruses are not affected by ____________

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PH

Acidity

Antibiotics

High temperature

When do the atria contract?

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Before diastole

After systole

During diastole

During systole

Which one is not related to protista?

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Algae

Protozoans

Bacteria

Fungi like organisms

Scientific name of pea plant is.

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Dilbergia Sisso

Pisum indicum

Homosaplens

pisum Sativum

Members of the same species living in the same place is called:

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Habitat

Biosphere

Community

Population

Chlorophyll is present in green plastids of plants called ................ .

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Strome

Chloroplast

Grana

Thylakoid

The exchange of parts of non-sister chromatids is called:

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Chiasmata

Linkage

Crossing over

None of these

Leeuwenhoek magnified pond water___________ times.

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100

200

300

400

Redox reactions involve exchange of ____________

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Electrons

Protons

Neutrons

Atoms

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