Question # 1

Cell theory was proposed in :

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1938

1838

1948

1848

Prokaryotic ribosomes is ...................

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20s

30

70s

80s

Magnification of electron microscope is:

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2500 x

250,000 x

25000 x

None

Ribisomes are constructed in the ___________

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Endoplasmic reticulum

Bucleoid

Nucleolus

Nuclear pore

The thin extensions of the inner mitochondrial membrane are known as __________

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Cristae

Matrix

Thylakoids

Stroma

In plants, _______________ conduct food.

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Xylem

Phloem

Both

None

Smooth endoplasmic reticulum is the area in a cell where __________ are synthesized.

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Polysacchrides

Proteins

Lipids

DNA

The plasma membrane does all of these except ________

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Contains the hereditary material

Acts as a boundary or border for the cytoplasm

Regulates passages of material in and out of the cell

Functions in the recognition of cell

Lignin is present in:

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Primary wall

Secondary wall

None of above

Transmission electron microscope gives ............ images.

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1D

2D

3D

All

Golgi bodies consist of ...................... .

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Stakes

Bags

Pockets

All

There are_______________chromosomes in radish.

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46

18

16

23

DudolF was a ........................ .

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Cytologist

Surgeon

Pathalogist

Dentist

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