Question # 1

Leeuwenhoek magnified pond water___________ times.

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100

200

300

400

................. is the capacity of microscope to enlarge the apparent size of object.

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Magnification

Resolution

Both a and b

None

When a plant was kept in darkness for many days, many days, its leaves turned yellow. Why?

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Leaves could not get oxygen and so there was no photosynthesis

Leaves could not get light and so there was no respiration

Leaves could not get oxygen and so there was no respiration

Leaves could not get light and so there was no photosynthesis

An enzyme, which breaks down starch is:

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Protease

Amylase

Tripsn

Lipase

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

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Anaphase

Telophase

Metaphase

Prophase

The scientific name of wolf is _____________

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Canis leo

Canis domestica

Canis lupus

Canis religiosa

In every proportion of two ratios are

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Two terms

Three terms

Four terms

Five terms

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

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Oxygen

Nitrogen

Carbon

Hydrogen

.................. formation occurs in SER.

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Proeins

Lipids

Cellular

All

What would be the best experimental design for testing a hypothesis that bean plants require sodium?

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Measure the amount of sodium in a few bean plants

Grow bean plants with and without sodium

Look for sodium in leaf tissues

Analyze root contents for sodium

Important cause of species extinctions is:

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Habitat loss

Deforestaion

Over population

Both a and b

Induced Fit model was proposed by:

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Emil Fischer

Melcher

Koshland

Saugeo

The amount of plasma in blood is:

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35%

45%

55%

65%

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