CBSE
Multiple Choice QuestionsWidth of the DNA molecule is
15 Ao
20 Ao
25 Ao
34 Ao
The protein α-1 antitrypsin is used to treat which of the following disease?
Cancer
Rhematoid arthritis
Emphysema
ADA deficiency disease in children
The dominant epistasis ratio is
9:3: 3:1
12:3:1
9:3:4
9:6:1
Bacillus thuringiensis (Bt) strains have been used for designing novel
Bio metallurgical technique
Bio mineralization process
Bio Insecticidal Plants
Bio Fertilizers
Bacillus thuringiensis (Bt) strains have been used for designing novel
bio metallurgical technique
bio mineralization process
bio insecticidal plants
bio fertilizers
In recombinant DNA technique, the term vector refers to
Donor DNA, is identified and picked up through electrophoresis
Plasmid transfers DNA into living cell
Collection of the entire genome in form of plasmid
Enzyme, cuts the DNA at specific sites
Which one of the following is a reorganization site for restriction enzymeBam HI?
5ʹ– GAATTC – 3ʹ 3ʹ – CTTAAG – 5ʹ
5ʹ – GGATCC – 3ʹ 5ʹ – CCATGG – 3ʹ
5ʹ – GGATCC -– 3ʹ 3ʹ – CCTAGG – 5ʹ
5ʹ– GAATTC – 3ʹ 5ʹ– GTTAAC – 3
Which one of the following pair is not correct?
Mangolian idiocy – 21st chromosome
Patau syndrome – 13th chromosome
Cri-Du-Chat – 11th chromosome
Edward syndrome – 18th chromosome
Which one of the following pair is not correct?
Single-stranded DNA
Single-stranded RNA
Double-stranded DNA
None of the above
Consider these sentences regarding to the structure and nature of DNA.
(I) DNA has tow pyrimidine bases which contain single ring structure.
(II) In DNA, the composition of bases should be
(III) Each base pair of DNA is 3.4Å apart from the base pair.
(IV) The nucleosome model DNA packaging was proposed by Kornberg and Thomas.
I and III
I, II and III
II, III and IV
I, III and IV
