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CLASS 12 BIOLOGY BOTANY - CHAPTER 4 PRINCIPLES AND PROCESSES OF BIOTECHNOLOGY - 1 MARK QUESTIONS - ONLINE TEST - QUESTION 01-16

CLASS 12 BIOLOGY BOTANY - CHAPTER 4 PRINCIPLES AND PROCESSES OF BIOTECHNOLOGY - 1 MARK QUESTIONS - ONLINE TEST - QUESTION 01-16 | இதில் 16 வினாக்கள் இடம் பெற்றிருக்கும். அதில் மிகச் சரியான விடையை தேர்ந்தெடுத்து SUBMIT செய்யுங்கள். பின்னர் உங்கள் விடையை சரி பாருங்கள். தவறுகள் இருப்பின் மீண்டும் ஒரு முறை முயற்சி செய்யவும். வாழ்த்துக்களுடன் : கல்விச்சோலை.நெட்.

1.
Restriction enzymes are
2.
Plasmids are
3.
EcoRI cleaves DNA at
4.
Genetic engineering is
5.
Consider the following statements : ➡️I. Recombinant DNA technology is popularly known as genetic engineering is a stream of biotechnology which deals with the manipulation of genetic materials by man invitro ➡️II. pBR322 is the first artificial cloning vector developed in 1977 by Boliver and Rodriguez from E.coli plasmid ➡️III. Restriction enzymes belongs to a class of enzymes called nucleases./ Choose the correct option regarding above statements
6.
The process of recombinant DNA technology has the following steps : ➡️I. amplication of the gene ➡️II. Insertion of recombinant DNA into the host cells ➡️III. Cutting of DNA at specific location using restriction enzyme . ➡️IV. Isolation of genetic material (DNA) Pick out the correct sequence of step for recombinant DNA technology.
7.
Which one of the following palindromic base sequence in DNA can be easily cut at about the middle by some particular restriction enzymes?
8.
pBR 322, BR stands for
9.
Which of the following one is used as a Biosensors?
10.
Match the following : Column A : ❇️ [1] Exonuclease ❇️ [2] Endonuclease ❇️[3] Alkaline❇️[4] Ligase Column B : 📍 [a] add or remove phosphate 📍 [b] binding the DNA fragments 📍 [c] cut the DNA at terminus 📍 [d] cut the DNA at middle
11.
In which techniques Ethidium Bromide is used?
12.
➡️Assertion : Agrobacterium tumifaciens is popular in genetic engineering because this bacteriumis associated with the root nodules of all cereals and pulse crops ➡️Reason: A gene incorporated in the bacterial chromosomal genome gets atomatically transferred to the cross with which bacterium is associated.
13.
Which one of the following is not correct statement.
14.
An analysis of chromosomal DNA using the southern hybridisation technique does not use
15.
An antibiotic gene in a vector usually helps in the selection of
16.
Some of the characteristics of Bt cotton are
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