No. of questions -40
Time - 20 min
Negative marking : -0.25 mark
1.
Deficiency of which vitamin results in inflammation of skin and eczema along with diarrhoea?
2.
Which among the following is false about natural rubber
3.
Which one of the following vitamins is essential for coagulation of blood?
4.
............. fibre is used in making bullet proof vests.
5.
Which is widely used in the plastic industry for manufacturing Bakelite?
6.
Which of the following could be used as fuel in propellant of Rockets?
7.
Petroleum is a mixture of-
8.
Bakelite is a polymer of Phenol and
9.
Which one of the following is non-reducing sugar?
10.
In chemistry, soap is a salt of a ............
11.
The sugar which is not a disaccharide
12.
Acid rain is caused due to emission of which of the following into the atmosphere?
13.
Yeast is an important source of-
14.
The helical structure of protein is stabilized by
15.
Which one of the following diseases caused through the wound or injury or surfaces of unsterilized surgical instruments?
16.
The alkaloid naturally found in coffee, cocoa and colanut is
17.
Which one of the following is a synthetic polymer?
18.
Which among the following is a petroleum wax?
19.
The brand name Teflon represents which polymer?
20.
Deficiency of which one of the following causes xeroph-thalmia-
21.
Which of the following is related to the discovery of Nylon?
22.
The gas which is present in both the natural gas and the bio-gas is-
23.
What is the bond between two amino acids in a protein called?
25.
Glycogen, Cellulose and starch are the polymers of-
26.
Which of the following is used as raw material for the manufacture of rayon?
27.
Wax used for making candles is chemically a mixture of-
28.
Physico-chemical characteristics of water in water sources undergo changes due to-
29.
The increasing amount of carbon dioxide in the air is slowly raising, the temperture of the atmosphere, because it absorbs-
30.
Barbituric acid and its derivatives are well known as-
31.
Plastic bottles are made of a polymer called PET. The expanded form of PET is
32.
Consider the following-
1. Nucleic acids
2. Carbohydrates
3. Proteins
A virus is made up of which of the above-Deselect Answer
33.
Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?
34.
The increasing abundance of green house gases in atmosphere has led to the following effect except-
35.
The water pollution in river is measured by the dissolved amount of-
37.
Which of the following element is used for vulcanisation of rubber?
38.
What is the full form of PVC?
39.
Which fibre is used for making bristles of brushes.
40.
Which one of the following is a Natural Polymer?
