Tamil Nadu (English Medium) Plus 2 Biology Science Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

Question-1
Utilisation of biological knowledge for the production of materials useful to society is called

(A) Biotechnology	(B) Bio-engineering
(C) Applied biology	(D) Molecular biology

Question-2
Acetic acid is produced with the help of

(A) Albugo species	(B) Acetobacter species
(C) Aspergillus species	(D) Lactobacillus species

Question-3
Protein formed during viral infection is

(A) histone	(B) antibody
(C) antitorium	(D) interferon

Question-4
The micro-organism, used for the production of fumaric acid, is

(A) Rhizopus	(B) Acetobacter
(C) Aspergillus	(D) Fusarium

Question-5
Which of the following vitamin contains cobalt?

(A) vitamin-B₁	(B) vitamin-B₂
(C) vitamin-B₆	(D) vitamin-B₁₂

Question-6
The interferons are

(A) antiviral proteins	(B) antibiotic proteins
(C) antigen proteins	(D) antibacterial particle

Question-7
Milk tastes sour when kept in the open for sometime due to formation of

(A) malic acid	(B) citric acid
(C) lactic acid	(D) carbonic acid

Question-8
The application of engineering and technological principles to the life sciences is called?

(A) Biology	(B) Biotechnology
(C) Biological science	(D) Genetic engineering

Question-9
Biotechnology utilises new organisms developed from the present organisms utilizing

(A) Wood seasoning	(B) environmental engineering
(C) recombinant DNA technology	(D) both '2' and '3'

Question-10
Pellagra is caused due to the deficiency of

(A) niacin	(B) biotin
(C) pyridoxine	(D) cobalamin

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Plus 2 Biology Science

Tamil Nadu (English Medium)

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