A. Alpha chain
B. Beta Chain
C. Both of these
D. None of these
Show AnswerAnswer = Option B
Chromosome and DNA
X-Ray diffraction pattern of DNA was prepared by
A. Rosalind Franklin
B. Maurice Wilkins
C. Watson
D. Crick
Show AnswerAnswer = Option A
Which of the following cal kill mice if injected separately?
A. Live R type pneumococcus
B. Heat killed R type pneumococcus
C. Live S type pneumococcus
D. Heat killed S type pneumococcus
Show AnswerAnswer = Option C
Centromere represents
A. Primary constriction
B. Secondary constriction
C. Tertiary constriction
D. Quaternary constriction
Show AnswerAnswer = Option A
A sugarcane cell has _________ chromosomes.
A. 20
B. 32
C. 40
D. 80
Show AnswerAnswer = Option D
Sex chromosomes were 1″ discovered in
A. Man
B. Pea plant
C. Fruitfly
D. None of these
Show AnswerAnswer = Option C
Which is incorrect about nucleosome
A. 2 turns of DNA coiled round histones
B. 8 histones as acidic proteins
C. 200 nucleotides in one nucleosome
D. None of these
Show AnswerAnswer = Option B
Molecular basis of sickle cell anaemia was found by
A. F. Sanger
B. Beadle and Tatum
C. Vernone Ingram
D. Mendal
Show AnswerAnswer = Option C
Phenylketonuria is due to deficiency of
A. Phenylalnine
B. Phenylalanine hydroxylase
C. Phenylene
D. All of these
Show AnswerAnswer = Option B
Strand of DNA which is not transcribed is called
A. Antisense
B. Template
C. Coding
D. None of these
Show AnswerAnswer = Option C