Related Questions

Think a number and then double the number. Then add 8 and multiply the result by 6. Now divide the result by 10 the subtract the number you first thought out. what is the final result?
A 4
B 6
C 10
D 14
Think a number and then double the number. Then add 8 and multiply the result by 6. Now divide the result by 12, then subtract the number you first thought out. What u the final result?
A 4
B 6
C 10
D 14
Subtract 3 from the number n. multiply the result by 3. Add 3 and then divide this result by 3. what is the final result ?
A n
B n-1
C n-2
D n-3
Think of a number and then double the number Add 6 and multiply the result by 10. Now divide the result by 20 , then subtract the number you first thought out. What is the result?
A 2
B 3
C 4
D 5
How the biological oxygen demand gets affected with the increased presence of organic matter in water?
A the oxygen demand increases
B the oxygen demand decreases
C the oxygen demand remains unchanged
D none of the mentioned
The method of soil conservation in which bare ground between plants is covered with layer of organic matter like straw is called?
A Mulching
B Contour barriers
C Rock dam
D Terrace farming
The animal which consumes decaying organic matter is _________
A Carnivore
B Detritivore
C Herbivore
D Producers
In very first stage of decomposition of the organic matter in sewage
A Nitrites are formed
B Nitrates are formed
C Carbondioxide is formed
D Ammonia is formed
The sewage treatment units in which anaerobic decomposition of organic matter is used, are called
A Imhoff tanks
B Trickling filters
C Sludge sedimentation tanks
D None of these
Which type of bacteria get their food from dead organic matter?
A Parasitic
B Autotrophic
C Saprophytic
D None of the above

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