Question # 1

How many kinds of organisms inhabit the earth?

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1 million

5 million

10 million

10 billion

Cell theory was proposed by:

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Robert Hooke

Schwann

Schleiden

Both B and C

In the stomach, pepsinogen is converted into;

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Pepsin

Bicarbonate

HCI

Gastrin

The kingdom system was proposed by:

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Aristotle

Robert Whittaker

Carolus Linnaeus

Both a & b

Who suggested that mosquitoes are involved in the transmission of malaria?

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Laveran

Ronald Ross

A.F.A king

None of these

Supporting tissues are also known as:

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Ground tissue

Epidermal tissue

Mechanical tissue

All

which of these does not represent unicellular organization.

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Amoeba

volvex

Bacteria

Paramecium

Which ions are involved in opening and closing of stomata?

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Potassium ions

Chloride ions

Sodium ions

Iodide ions

If gram of carbohydrates is fully oxidized it produce about .............. kilojoules of energy.

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16 Kilojoules

17 Kilojoules

18 Kilojoules

19 Kilojoules

The branch of biology which deals with classification and also traces the evolutionary history of organisms is known as:

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Taxonomy

Systematic

Genetics

Histology

An example of macromolecule is.

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Water

Glucose

Protein

NaCl

Insulin and glucagon are produced in the .

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Hypothalamus

Anterior pituitary

Liver

Pancreas

Alcoholic fermentation is carried out by.

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Yeast

Bacteria

Virus

Algae

______ get solar energy and transform it into chemical energy by the process of photosynthesis.

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Decomposers

Producers

consumers

Predators

Edward jenner introduced vaccine of which disease?

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Small pox

AIDS

Hepatitis

Malaria

The plant in which vegetative propagation occurs by:

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Garlic

Ginger

Potato

Bryopylium

Ribosome reads the sequence of mRNA nucleotides and joins specific amino acids to form protein . This step is known as.

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Combination

Replication

Transcription

Translation

Effectors include;

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Only muscles

Only glands

Muscles and glands

Brain

Find the INCORRECT statement:

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Bone is where most blood cells are made.

Bones serves as a storehouse for various minerals.

Bones is a dry and non-living supporting structure.

Bone protects and supports the body and its organs.

Calyx is the outer most whorl of the flower and bears the colour:

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Red

Green

Blue

white

Pathogens contain special proteins called.

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Antigens

Antibodies

Antibiotics

Antiseptics

The work of genetic engineering started in :

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1944

1955

1945

1943

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