In plants there are_______basic types of tissues?

A: 2

B: 3

C: 4

D: None of these

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Simple tissues and complex tissues are two groups of_________tissues.

A: Meristematic

B: Permanent

C: Epidermal

D: Supporting

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Permanent

Xylem and phloem are conducting tissues found in ¦¦¦.?

A: animals

B: plants

C: micro orgamnisms

D: all the above

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plants

Human brain contains__________neurons.

A: 10,000,00

B: 100,000,000

C: 100,000,000,000

D: 1000

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100,000,000,000

which of the following gas discovered by Scheele?

A: chlorine

B: hydrogen

C: oxygen

D: carbon dioxide

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chlorine

which of the following is called protein synthesizing machine?

A: mitochondria

B: nucleus

C: chromosomes

D: ribosomes

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ribosomes

Cell wall is the non living , outermost boundary of__________cell?

A: plant

B: bacterial

C: fungal

D: all the above

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all the above

The light microscope can make the object_________times bigger?

A: 10 times

B: 100 times

C: 1000 times

D: 10000 times

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1000 times

Which of the following is a selectively permeable membrane?

A: cell wall

B: cytoplasm

C: cell membrane

D: none of these

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cell membrane

Which of the following endoplasmic reticulum has no ribosome on its surface?

A: smooth

B: rough

C: both

D: all of above

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smooth

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