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Subjects

Biotechnology

Genetic Engineering

In this Class 11 Biotechnology topic under Principles of Biotechnology, students learn how genetic engineering deliberately changes an organism’s DNA to obtain a desired trait or product. The topic introduces recombinant DNA technology, including the roles of restriction enzymes, DNA ligase, vectors, host cells, transformation, and selection of modified cells. It also connects these steps to applications such as producing useful proteins and improving crops, while encouraging attention to biological safety, ethical questions, and the limits of genetic modification.

Easy · Level 8 · 10 questions

TOPIC PRACTICE

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  1. Adenine pairs with guanine
  2. Thymine pairs with cytosine
  3. Adenine pairs with thymine and guanine pairs with cytosine
  4. All bases pair with any base
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  1. Introducing DNA into host
  2. Identifying the desired gene
  3. Selecting transformed cells
  4. Checking gene product
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  1. To transfer it into a host
  2. To color the cell
  3. To separate water
  4. To make protein into soil
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  1. Because they cut DNA at specific sites
  2. Because they join DNA
  3. Because they make glucose
  4. Because they give light to the cell
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  1. Because it can carry a foreign gene into a host cell
  2. Because it only makes salts
  3. Because it makes the cell dead
  4. Because it destroys DNA
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  1. To allow DNA replication or expression
  2. To make the cell glass
  3. To make DNA into fat
  4. To remove gene and make water
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  1. Specific DNA segment
  2. Whole cell wall
  3. Only fat molecule
  4. Soil particles
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  1. Selectable marker
  2. Simple water
  3. Glass rod
  4. Cotton thread
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  1. A cell prepared for DNA uptake
  2. A cell that makes water
  3. A cell that digests protein
  4. A chlorophyll-only cell
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  1. While handling DNA samples obtained from humans
  2. While purchasing agarose powder
  3. While observing the colour of an enzyme
  4. While boiling water

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