1 |
The word paper is derived from the name of which reedy plant |
Rose
Sun flower
Papyrus
Water
|
2 |
One of following is argillaceous material |
Marble
Clay
Lime
Marine Shell
|
3 |
Which is not a calcarious material |
Clay
Limestone
Marble
Chalk
|
4 |
Phosphorus helps the growth of |
Root
Leaf
Steam
Seed
|
5 |
Ammonium Nitrate fertilizer is not useful for |
Wheat
Cotton
Sugan cane
Paddyrice
|
6 |
The macronutrients are required in quantities ranging from |
4-40 kg per acre
10-100 kg per acre
5-100 kg per acre
5-200 kg per acre
|
7 |
Which elements are needed for healthy growth of plants |
N,S,P
N,Ca,P
N,P,K
N,K,C
|
8 |
Micro-nutrient is required in quantity for plant growth ranging from |
4-40 gm
6-200 gm
6-200 kg
4-40 kg
|
9 |
A polymeric substance that is formed in the liquid state and then hardened to a rigid solid is called a |
fibre
plastic
varnish
polyamide resin
|
10 |
Plastics are pollution problem because many plastics |
are made from petroleum
are very inflammable
burn to produce toxic fumes
decompose to produce toxic products
|
11 |
Which of these polymers is a synthetic polymer |
Animal fat
Starch
Cellulose
polyester
|
12 |
Which of these polymers is an addition polymer |
Nylon 6, 6
polystyrene
Terylene
epoxy resin
|
13 |
In which of following processes are small organic molecules made into macromolecules |
the cracking of petroleum fractions
the fractional distillation of crude oil
the polymerization of ethene
the hydrolysis of proteins
|
14 |
Which of the following enzymes brings about the hydrolysis of fats |
Urease
Maltase
Zymase
Lipase
|
15 |
The reaction between fat and NaOH is |
Estrification
Hydrogenolysis
Fermentation
Saponification
|
16 |
Vegetable oils are |
Polyesters
Glycerides of unsaturated fatty acids
Essential oils
Fatty acids
|
17 |
Which of the following element is not present in all proteins |
Carbon
hydrogen
Nitrogen
Sulphur
|