Question # 1

In aerobic respiration pyruvic acid changes to.

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Glucose

Acetyl CoA

Fructose

Citric Acid

Which cel organelle is involved in packaging and modtify ing proteins.

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Nucleus

Mitchondria

Golgi Apparatus

Endoplasmic reticulum

Which kingdom includes eukaryotic multicellular and absorptive heterotrophs.

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Fungi

Protista

Monera

None of above

Cytoskeleton is an important of eukaryotic cells. Which of the following statement correctly describes cytokeleton.

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All the cytoskeletal strcutures are made up of same protein

There is no contractile protein in any cytoskeletal component

Cytokeleton provides mechanical support and has role in cell division.

The entire cytoskeleton is present around the cell membrane.

Whcih of the following is NOT a taxonomic rank.

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Phylum

Kingdom

Class

Scientific Name

When the rate of photosynthesis become equal to that rate of respiration in the plant body. which of the following pattern of gaseous exchange occurs between plaant and its environment.

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Carbon dioxide is absorbed, and oxygen is released

Oxygen is absorbed, and carbon dioxide is released

Neither carbon dioxide nor oxygen are absorbed

Both carbon dioxide andoxygen are absorbed

ionization of amino acids at the activ esite is affected by.

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Change in pH

Change in temperature

Change in substrate conceration

Change is tempeaure and substrate concentration

Which of these uses oxygen as the final acceptor.

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Krebs cycle

Glycolysis

Electron transport chain

Photosynthesis.

Which one is acellular

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Fungi

Bacteria

Viruses

Cyanobacteria

Colonial organization feature of kingdom.

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Plantae

Protista

Animalia

Fungi

A network of channels extending from cell memebrane to nuclear membrane is called

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Endoplasmic reticulum

Centriole

Ribosome

Centrosome

Most of the uptake of water and minerals from soil takes place through

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Root cap

Root hair

Epidermal cells

Root

Which of the following best describes the logic of the scientific process.

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If I generate a testable hypothesis tests and observations will support it

If my observation are accurate they will support my hypothesis

If my hypothesis is correct, I can expet certain test result

If my prediction is correct it will lead to a testable hypothesis.

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