Question # 1

In which part of the plant cell does photosynthesis occur.

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Mitochondria

Nucleus

Chloroplast

NADPH

It reproduces by bulbf.

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Tulip

Ginger

Fern

Garlic

Single memberane bounded organcelles having strong digestive enzymes are.

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Nucleosomes

Lysosomes

Ribosomes

Chromosomes

Which character of viruses make their resemblance with living organisms.

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They can be crystallized

They can not live outside host body

They contain DNA or RNA

All of the above

Which of the following character is not related to Animalia?

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Eukaryotic

Autotrophs

Multicellular

Heterotrophs

Which structures are responsible for the transport of food in plant body.

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Xylem tissue

Pholem tissue

Spongy mesophyll

Palisade mesophyll

The organelle which provides energy to the cell

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Golgi apparatus

Ribosome

Mitochondria

Nucleus

The catalytic region on enzyme recognizes and binds the substrate and carries the reaction. This region is called as.

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Cofactor

Active sites

Activator

Inhibitor

What is the primary function of the xylem tissue in a leaf.

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To transport sugars to othe rparts

To control the opening and closing of stomata

To transport water to parts of leaf

To synthesize chlorophyII

Following are the charactristics of a good hypothesis EXCEPT.

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Should be a complex statement

Should be a tentative idea

Should be testable

Should agree with available observations

Which best defines an enzyme.

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A chemical that breaks down food

A hormone that regulates metabolism

A protein that speeds up reactions

A molecule that stores energy

What ar ethe roles of stomata in plants.

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Water absorption

Gaseous exchange

Transporation

Nutrient uptake

At which stage of mitosis chromosomes line up in the centre.

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Prophase

Anaphase

Metaphase

Telophase

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