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
The term ‘prebiotic’ soup’ for organic water containing mixture of simple organic compounds was given by
Number of Barr body which will found in case of Turner’s syndrome will be
Can't be determined by given data
The number of barr body in human = one less than the number of x Chromosome. In case of Turner syndrome 45(44+ X) chromosomes are found. So number of Barr bodies will be-zero.
Which one of the following options is not a sexually transmitted disease?
Diphtheria is caused by
Poison released by living bacterial cell into the host
Poison released from the dead bacterial cell into the host
Poison released by the virus into the host
Excessive immune response by the body of the host
Which one of the following microbes is the source for vitamin-C?
The fact that DNA is a genetic material was established by the experiment of
Meselson and Stahl
Hershey and Chase
Avery, Macleod and McCarty
Rosalind Franklin and Kornberg
Match the following Columns
|Column I (Pollination Technique)||Column II (Pollinator)|
|A. Cheiropterophily||1. Ant|
|B. Anemophily||2. Bat|
|C. Myrmecophily||3. Snail|
|D. Malaciphily||4. Wind|
A – 3; B – 2; C – 1; D – 4
A – 2; B – 4; C – 1; D – 3
A – 4; B – 3; C – 2; D – 1
A – 1; B – 3; C – 2; D – 4