1 |
During the manufacturing process of cement the temperature of the decomposition zone goes up to. |
600 <sup>o</sup>C
900 <sup>o</sup>C
1000 <sup>o</sup>C
1200 <sup>o</sup>C
|
2 |
Micro nutrients are required in quantity ranging from |
4 g - 40 g
6 g -200 g
6kg - 200 kg
4 kg - 40 kg
|
3 |
Phosphorus helps in the growth of |
Root
Leave
Stem
Seed
|
4 |
The nitrogen present to some fertilizers helps plants to |
Fight against diseases
Produce fat
Undergo photosynthesis
Produce protein
|
5 |
Which woody raw material is used for the manufacture of paper pulp. |
Cotton
Bagasse
Poplar
Rice straw
|
6 |
Which three elements are needed for the healthy growth of plants. |
N,S,P
N, Ca, P
N,P,K
N,K,C
|
7 |
In Pakistan pulp is usually bleached with Cl2. The residual chlorine is removed from pulp by an antichlor which is |
dil HCl
dil NaOH
Water
NaCl
|
8 |
Pulp is washed to remove lignin from it. Due to the presence of lignin in pulp paper becomes. |
Soft
Brittle
Acidic
Colourless
|
9 |
Which one is not an argillaceous material. |
Clay
Shale
State
Gypsum
|
10 |
Which nitrogen fertilizer make the soil acdic. |
Calcium nitrate
sodium nitrate
Potassium nitrate
Ammonium nitrate
|
11 |
Which chemical reduces the acidity of soil. |
Lime
Urea
Ammonium nitrate
Ammonium sulphate
|
12 |
Starch mixture of |
Amylose and xylose
Amylopectin and lactose
Lactose and sucrose
amylose and amylopectin
|
13 |
Cholesterol is a |
Glyceride
Wax
Steroid
Fat
|
14 |
Which one of the following enzyme is used for the treatment of blood cancer in children. |
Thrombin
Asparaginase
Glucokinase
Fumarase
|
15 |
The enzyme which bring about exchange of functional group between two compounds is called. |
Hydrolases
Transferase
Lyases
Ligases
|
16 |
The substance that retard the activity of enzyme is called. |
Co enzyme
Epo enzyme
Activity
Substrate
|
17 |
Which one of the following is not steroid |
Cholesterol
Ergosterod
Female sex Harmons
Globulin
|