Question # 1

Which one of these elements has the highest percentage in livhg organisms.

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Carbon

Hydrogen

Oxygen

Nitrogen

things like manure, seaweed, sewage etc are example of .............. fertilizers.

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Organic

Inorganic

Both

None

Which of the following stage of cell division is very different for animal and plant cells?

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Telophase

Metaphase

Anaphase

Cytokinesis

Chlamydomonas is an example of _______________

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Monera

Protista

Fungi

Plantae

A hypothesis must be testable to be scientifically valid. Being testable means that:

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Some observations could prove that hypothesis is incorect

Only a controlled experiment can indicate whether the hypothesis is correct or incorrect

The hypothesis is proven wrong

The opposite of hypothesis is tested and proven worng

Which enzyme breaks the peptide bods:

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Amylase

Protease

Lipase

None

Ulcers occur in the:

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Stomach

Duodenum

Esophagus

All of these

Group of species having similar character is called ____________

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Family

Classes

Genus

Order

There are _______________ chromosomes in humans.

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46

18

16

23

Enzymes are made up of ............. .

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protein

Carbohydrates

Lipids

Triglyceride

Aerobic respiration needs free ............. .

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Carbon

Nitrogen

Oxygen

None

Third kingdom i.e. protista was proposed by:

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Margulis

Schwartz

Ernst Hackel

Tournefort

Which of following helps in lowering blood cholesterol and sugar levels?

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Roughage

Lipids

Vitamin

Carbohydrates

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