Name the enzyme produced by Streptococcus bacterium. Explain its

Subject

Biology

Class

CBSE Class 12

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Sample Papers

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 Multiple Choice QuestionsShort Answer Type

1.

Name the embryonic stage that gets implanted in the uterine wall of a human female. 

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2.

State the importance of biofortification. 

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3.

Biotechnologists refer to Agrobacterium tumifaciens as a natural genetic engineer of plants. Give reasons to support the statement. 

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4.

How do algal blooms affect the life in water bodies? 

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5.

Name the common ancestor of the great apes and man.

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6.

Write a difference between net primary productivity and gross productivity.

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7.

Mention the contribution of genetic maps in human genome project.

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8.

Name the phase all organisms have to pass through before they can reproduce sexually.

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9.

Name the enzyme produced by Streptococcus bacterium. Explain its importance in medical sciences. 


Streptokinase enzyme is produced by the bacterium Streptococcus.

It is used as a ‘clot buster’ which removes clots from the blood vessels of patients who have undergone myocardial infarction.

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10.

How is “Rosie‟ considered different from a normal cow ? Explain.

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