Question # 1

The smallest cells of bacteria are celled:

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Plasmodesmata

Plasma membrane

Mycoplasms

Plasmolysis

Leukemia is a disease in which leucocytes increase ...................... .

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Normally

Abnormally

Both

None

................ is outermost, semi rigid and non-living boundary of plants cell.

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Cell memebrane

Cell wall

Nucleus

Protoplasm

Stomata close when guard cells:

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Loss water

Gain chloride ions

Become turgid

Grain potassium ions

The elements that makes 65% if tge titak nass if kuvubg irgabusns us,

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Oxygen

Nitrogen

Carbon

Hydrogen

Which event distinguishes meiosis form mitosis?

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Condensation of chromosomes

Loss of the nuclear membrane

Formation of metaphase plate

Pairing of homologous chromosomes

If you observe cell like this one, what phase of mitosis is it?

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Anaphase

Telophase

Metaphase

Prophase

Which of the tissues make the glandular tissue in animals.

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Epithelial

Connective

Muscular

Nervous

Plants cells have __________ and _______ which are not present in animal cells.

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Nilochondria , Chloroplasts

Cell membranes, Cell walls

Chloroplasts , Nucleus

Chloroplasts , Cell wall

The potential energy is stored in chemical bonds and is released as _____________ energy when these bonds break.

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Heat

Light

Kinetic

Solar

There are _______________ major groups of plant tissues.

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1

2

3

4

The removal of undigested food from body is called ............. .

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Digestion

Egestion

Inhalation

None

The concentration of carbon dioxide in the environment is:

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0.3%

0.03%

3%

3.01%

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