What is dry ice?
What is the main component of household bleach often referred as "chlorine bleach"..?
Which of the following is not "primary fuel"...?
What is the chemical name for " Aspirin" {household medicine}..?
Where was the first "oil well " struck in the world..?
Insulin a harmone is chemically a ....
The process that can be used for making artificial enzymes may be...
a] Genetic engineering
b] Synthesis of crown ethers
c] Denaturation of protein from living systems
Of the following Biosphere Reserve {BSR] which one has not been recognised on World Network of BSR by UNESCO?
Which plant is indicator of pollution?
When beam of red, blue, and green lights fall on the same spot the colour of the light becomes...
Approx. How many different chemical elements exist on earth..?
In which field of science will you be learning about a "White Dwarf" ..?
Which hormone secretion responssible for increase in heart beat & produce a feeling of excitement...?
Amount of which component in air does not change in process of respiration..?
Alzheimer disease affect....
The atomic nucleus discovered by ...
Which of the following diseases antibiotics cannot cure..?
In binary code the number 7 is written as ....
What is the decibel level of sound produced by two persons in conversation..?
Which is the "Napiform" modification of root..?