Download App

Biotechnology: Principles and Processes — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYBiotechnology: Principles and Processes4 Marks
Question
Define genetic engineering. Mention its main stages.
✓

Answer

Get the step-by-step solution for this question inside the Vidyadip app.

Get the answer in the app

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "4 Marks Questions" from Biotechnology: Principles and Processes→Biotechnology: Principles and Processes — all question types→BIOLOGY STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Describe the disease 'AIDS' under the following headings :
(i) Name of the pathogen
(ii) Name of the test to confirm the disease
(iii) Four main symptoms of the disease
(iv) Four measures of prevention
(v) Picture of viral replication.
→
What is pisciculture? Write its role in improving quality of food.
→
  1. How does the study of fossils help to understand evolution?
  2. How did SL Miller provide an experimental evidence in favour of Oparin and Haldane's hypothesis? Explain.
→
Describe in detail that formation of life was preceded by chemical evolution.
OR
Write an essay on Oparin theory of origin of life.
→
Answer the following questions:
State and explain the law of segregation as proposed by Mendel in a monohybrid cross.
→
Find out from newspapers and popular science articles any new fossil discoveries or controveries about evolution.
→
Answer the following questions:
Explain Polygenic inheritance and Multiple allelism with the help of suitable examples.
→
  1. Explain the role of regulatory gene, operator, promoter and structural genes in lac operon, when E.coli is growing in a culture medium with the source of energy as lactose.
  2. Mention what would happen, if lactose is withdrawn from the culture medium.

OR

Describe how the lac operon operates both in the presence and absence of an inducer in E.coli.

→
Give an account of ecological pyramids by digrammatic representation.###Define ecological pyramids and describe the pyramid of number.###Write about three ecological pyramids with suitable examples.###Describe three ecological pyramids with suitable examples.
→
  1. Give reasons for:
  1. Both strands of DNA are not copied during transcription.
  2. Transcription and translation in bacteria can be coupled.
  1. Differentiate between the process of transcription in prokaryotes and eukaryotes.
→