No. of questions -40
Time - 20 min
Negative marking : -0.25 mark
1.
The water pollution in river is measured by the dissolved amount of-
2.
Which one of the following is non-reducing sugar?
3.
Which of the following is used as raw material for the manufacture of rayon?
4.
Consider the following-
1. Nucleic acids
2. Carbohydrates
3. Proteins
A virus is made up of which of the above-Deselect Answer
5.
Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?
6.
Plastic bottles are made of a polymer called PET. The expanded form of PET is
7.
Bakelite is a polymer of Phenol and
9.
Which is widely used in the plastic industry for manufacturing Bakelite?
10.
The brand name Teflon represents which polymer?
11.
Acid rain is caused due to emission of which of the following into the atmosphere?
12.
Which of the following could be used as fuel in propellant of Rockets?
13.
The increasing abundance of green house gases in atmosphere has led to the following effect except-
14.
Which one of the following is a Natural Polymer?
15.
Deficiency of which vitamin results in inflammation of skin and eczema along with diarrhoea?
16.
Deficiency of which one of the following causes xeroph-thalmia-
17.
Which fibre is used for making bristles of brushes.
18.
Which of the following is related to the discovery of Nylon?
19.
Yeast is an important source of-
20.
Barbituric acid and its derivatives are well known as-
21.
The gas which is present in both the natural gas and the bio-gas is-
23.
Petroleum is a mixture of-
24.
Which one of the following is a synthetic polymer?
25.
Wax used for making candles is chemically a mixture of-
26.
The sugar which is not a disaccharide
27.
Which of the following element is used for vulcanisation of rubber?
28.
The alkaloid naturally found in coffee, cocoa and colanut is
29.
What is the full form of PVC?
30.
............. fibre is used in making bullet proof vests.
31.
The increasing amount of carbon dioxide in the air is slowly raising, the temperture of the atmosphere, because it absorbs-
32.
Which among the following is false about natural rubber
33.
The helical structure of protein is stabilized by
34.
Physico-chemical characteristics of water in water sources undergo changes due to-
35.
Which among the following is a petroleum wax?
36.
What is the bond between two amino acids in a protein called?
37.
In chemistry, soap is a salt of a ............
38.
Which one of the following diseases caused through the wound or injury or surfaces of unsterilized surgical instruments?
39.
Glycogen, Cellulose and starch are the polymers of-
40.
Which one of the following vitamins is essential for coagulation of blood?
