Question # 1

conversion of the nitrogen gas into nitrates is called.

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Denitrification

Nitrogen fixation

Assimilation

Ammonification

When the antibiotics are not effective against viral infections, then it is called.

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Efficiency

Efficacy

Inefficiency

Resistance

A material which contain weakened pathogen is called.

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Vaccines

Antigene

Antibodies

Antiboitic

Formation of messenger RNA from DNA is called.

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Translocation

Transcripton

Tranduction

Translation

Charles Darwin proposed that organisms produce many more offspring than can possible survive on the limited amount of resources available to them. According To Darwin, the offspring that are most likely to survive are those that.

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Are born first and grow fastest

Are largest and most aggressive

Have no natural predators

Are best adapted to the environment.

In alcoholic fermentation, which bacteria is used?

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Sacchoromyces

Lactobucillus

Strepto-coccus

Both B and C

Which of the following drug is obtained from plants?

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Asprin

Opium

Liver of fish

Fungi

The alternate forms of a gene are called:

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traits

companion genes

alleles

homologous genes

Sulfonamides affect bacteria in the following way:

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Break the cell wall

Inhibit protein synthesis

Stop the synthesis of new cell wall

Stop the synthesis of folic acid

Dengue fever is an infection of.

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Algal

Viral

Fungal

Bacterial

Which statements is not true about cartilage?

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calcium and phosphate minerals are absent in the matrix of cartilage

The cells of cartilage are called chondrocytes

blood veessels enter into cartilage

cartilage is less strong than bone

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.

What waste products are excreted by kidneys?

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Urea, water & salts

Salts, water and carbon dioxide

Urea & Water

Urea & salts.

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