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HSC Science (General) १२ वीं कक्षा - Maharashtra State Board Important Questions for Biology

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Biology
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Mention one example each of fortification with reference to –

  1. Amino acid content
  2. Vitamin-C content
Appears in 1 question paper
Chapter: [11] Enhancement of Food Production
Concept: Biofortification

What is lac?

Appears in 1 question paper
Chapter: [11] Enhancement of Food Production
Concept: Animal Husbandry (Livestock)

Give the name of microbial source of antibiotic chloromycetin.

Appears in 1 question paper
Chapter: [11] Enhancement of Food Production
Concept: Microbes in Industrial Products

Explain the steps involved in preliminary treatment of sewage.

Appears in 1 question paper
Chapter: [11] Enhancement of Food Production
Concept: Microbes in Sewage Treatment

Give an example of the source of thermostable enzyme DNA polymerase.

Appears in 1 question paper
Chapter: [12] Biotechnology
Concept: Principles of Biotechnology

What are plasmids?

Appears in 1 question paper
Chapter: [12] Biotechnology
Concept: Principles of Biotechnology

The biological scissor is ______.

Appears in 1 question paper
Chapter: [12] Biotechnology
Concept: Principles of Biotechnology

What is ‘biopatent’? Give any two examples.

Appears in 1 question paper
Chapter: [12] Biotechnology
Concept: Biopiracy

cDNA means ______.

Appears in 1 question paper
Chapter: [12] Biotechnology
Concept: Methodology for rDNA Technology

Give the applications of the PCR technique.

Appears in 1 question paper
Chapter: [12] Biotechnology
Concept: Principles of Biotechnology

The recognition sequence of restriction enzymes is generally ______ nucleotide long.

Appears in 1 question paper
Chapter: [12] Biotechnology
Concept: Principles of Biotechnology

Explain the properties of a good or ideal cloning vector for rDNA technology.

Appears in 1 question paper
Chapter: [12] Biotechnology
Concept: Principles of Biotechnology

In the process of rDNA technology, if two separate restriction enzymes are used to cut vector and donor DNA then which problem will arise in the formation of rDNA or chimeric DNA? Explain.

Appears in 1 question paper
Chapter: [12] Biotechnology
Concept: Methodology for rDNA Technology

Ti plasmid being used for introducing genes in plants obtained from ______.

Appears in 1 question paper
Chapter: [12] Biotechnology
Concept: Principles of Biotechnology

What is plasmid?

Appears in 1 question paper
Chapter: [12] Biotechnology
Concept: Principles of Biotechnology

What is Biopiracy? 

Appears in 1 question paper
Chapter: [12] Biotechnology
Concept: Bioethics

Define biotechnology? Which are the basic principles and process of biotechnology?

Appears in 1 question paper
Chapter: [12] Biotechnology
Concept: Principles of Biotechnology

What is gene cloning? Explain different tools used for it.

Appears in 1 question paper
Chapter: [12] Biotechnology
Concept: Principles of Biotechnology

What is Recognition sequence? Explain in brief.

Appears in 1 question paper
Chapter: [12] Biotechnology
Concept: Principles of Biotechnology

What is PCR? Explain different steps involved in it.

Appears in 1 question paper
Chapter: [12] Biotechnology
Concept: Principles of Biotechnology
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