No. of questions -40
Time - 20 min
Negative marking : -0.25 mark
Deficiency of which vitamin results in inflammation of skin and eczema along with diarrhoea?
............. fibre is used in making bullet proof vests.
What is the bond between two amino acids in a protein called?
What is the full form of PVC?
Consider the following-
1. Nucleic acids
2. Carbohydrates
3. Proteins
A virus is made up of which of the above-
Which fibre is used for making bristles of brushes.
Deficiency of which one of the following causes xeroph-thalmia-
Which among the following is false about natural rubber
Which one of the following vitamins is essential for coagulation of blood?
Plastic bottles are made of a polymer called PET. The expanded form of PET is
In chemistry, soap is a salt of a ............
The brand name Teflon represents which polymer?
Yeast is an important source of-
Which is widely used in the plastic industry for manufacturing Bakelite?
The alkaloid naturally found in coffee, cocoa and colanut is
Which of the following is used as raw material for the manufacture of rayon?
Barbituric acid and its derivatives are well known as-
The gas which is present in both the natural gas and the bio-gas is-
The helical structure of protein is stabilized by
Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?
The sugar which is not a disaccharide
The increasing amount of carbon dioxide in the air is slowly raising, the temperture of the atmosphere, because it absorbs-
Which one of the following is non-reducing sugar?
Which of the following is related to the discovery of Nylon?
Which one of the following is a Natural Polymer?
Which one of the following diseases caused through the wound or injury or surfaces of unsterilized surgical instruments?
Acid rain is caused due to emission of which of the following into the atmosphere?
The increasing abundance of green house gases in atmosphere has led to the following effect except-
Glycogen, Cellulose and starch are the polymers of-
Which of the following element is used for vulcanisation of rubber?
Bakelite is a polymer of Phenol and
Which one of the following is a synthetic polymer?
Which among the following is a petroleum wax?
The water pollution in river is measured by the dissolved amount of-
Wax used for making candles is chemically a mixture of-
Physico-chemical characteristics of water in water sources undergo changes due to-
Petroleum is a mixture of-
Which of the following could be used as fuel in propellant of Rockets?
