Question # 1

When did scientists become able to cut and unite DNA?

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1945

1924

1944

1970

Which of the following statement regarding genes is FALSE.

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Genes are located on chromosomes

Genes consist of a long sequence of DNA

A gen contains information for the production of a protein

Each cell contain a single copy of every gene.

Glottis is a narrow opening at the floor of:

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Nasal cavity

Nostril

Pharynx

Antibiotics

Number of bones of sternum is:

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1

8

14

22

Example of discontinuous variation is:

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Blood group

Height in Man

Intelligence

None of these

Seedless fruits plants are propagated by:

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cloning

suckers

cutting

grafting

During peritoneal dialysis, the waste materials move from:

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The abdomen to the dialysis fluid

The dialysis fluid to the peritoneum blood vessels.

The peritoneum blood vessels to the dialysis fluid

The dialysis fluid to the abdomen.

The structural and functional unit of nervous system is:

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neuron

nephorn

nerve

cell body

The drugs that kills or reduce the reduce the growth of bacteria.

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Antibiotics

Analgesics

Antibodies

Antinorcotics

The microorganism used in the formation of Ethanol is.

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E-Coli

Virus

Bacillus

Sacchromyces

An example of Endoparasite.

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Mosquitoes

Leech

Plasmodium

Lice

Copies of chromatids of chromosomes are made through the process called.

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Inheritance

Transcription

Translation

Replication

For gaseous exchange the leaf and young stems have in their epidermis:

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Stomata

Lenticels

Companion cell

Guard cells

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