TN State Board Samacheer Kalvi Online Test for 11th Std - Biology - English - Principles and Processes of Biotechnology

Question 1 Of 10

In which techniques Ethidium Bromide is used?

Southern Blotting Techniques Western Blotting Techniques. Polymerase Chain Reaction. Agrose Gel Electroporosis.

Question 2 Of 10

An antibiotic gene in a vector usually helps in the selection of.

Competent cells. Transformed cells Recombinant cells None of the above

Question 3 Of 10

Restriction enzymes are.

Not always required in genetic engineering Essential tools in genetic engineering. Nucleases that cleave DNA at specific sites, both b and c.

Question 4 Of 10

Some of the characteristics of Bt cotton are

Long fibre and resistant to aphids Medium yield, long fibre and resistant to beetle pests high yield and production of toxic protein crystals which kill dipteran pests High yield and resistance to ball worms.

Question 5 Of 10

Genetic engineering is

making artificial genes hybridization of DNA of one organism to that of the others production of alcohol by using micro organisms making artificial limbs, diagnostic instruments such as ECG, EEC, etc.,

Question 6 Of 10

EcoRI cleaves DNA at.

AGGGTT GTATATC. GAATTC TATAGC.

Question 7 Of 10

Which one of the following palindromic base sequence in DNA can be easily cut about the middle by some particular restriction enzymes?

5’ CGTTCG 3′ 3′ ATCGTA 5! 5’ GATATG3′ 3′ CTACTA 5’ 5′ GAAHC 3′ 3′ CTTAAG 5′ 5′ CACGTA 3′ 3′ CTCAGT 5′

Question 8 Of 10

Plasmids are

circular protein molecules required by bacteria. tiny bacteria. confer resistance to antibiotics.

Tamil Nadu State Board ( Samacheer Kalvi ) Online Test based on Book Back Questions - 11th Standard Biology - English Medium - Principles and Processes of Biotechnology

Samacheer Kalvi 11th Biology - Principles and Processes of Biotechnology - Book Back Questions in English Medium