CBSE
Multiple Choice QuestionsThe molecular structure of insulin was first described by :
Korenberg
Swaminathan
Richardson
Sanger
Which statement is incorrect ?
Plant viruses contain RNA
Animal viruses contain DNA
T4 contains double strand DNA
TMV contains double stranded RNA
The term genetic engineering is used for :
blotting technique
RNA reaction technique
protein synthesis technique
recombinant technique
Genetically engineered human insulin is called
humulin
haematin
hybridoma
hybrid
Vaccines prepared by genetic engineering are safe to man because they are
least active form of virus
active form of virus
coat protein formed as antibody
All of the above
A student wants to study metaphasic behaviour of chromosomes in a living cell. The technique most suitable is :
phase contrast microscope
x-ray microscope
cell fractionation
scanning electron microscope
Major coffee producing state of India is :
Tamil Nadu
Kerala
Karnataka
Andhra Pradesh
Insect resistance transgenic cotton has been produced by inserting a piece of DNA from:
an insect
a bacterium
a wild relative of cotton
a virus
The principal cereal crop of India/Asia is :
Sorghum
barley
wheat
rice
Humulin is a :
form of chitin
human insulin
digestive enzyme
antibiotics
