A bacteria undergoes binary fission in every minute. This bacterium can fill up a cup in 1 hour. In how much time will the cup be half filled?
A 30 minutes
B 59 minutes
C 20 minutes
D 40 minutes
The solution says B!!!
The given cycle represents circulation of nitrogen in the environment. Identify X, Y and Z in the cycle and select the correct option.
A X - Denitrification, Y - Ammonification, Z - Nitrogen fixation
B X - Nitrate, Y - Denitrification, Z - Ammonification
C X - Nitrate, Y - Nitrogen fixation, Z - Ammonification
D X - Nitrification, Y - Ammonification, Z - Denitrification
What will come in place of question mark (?) in the following number series?
13, 16, 22, 33, 51, __?__
Select the option that can complete the given table.
Following are some of the changes given:
1. Changing seasons
2. Rusting of iron
4. Preservation of food items
5. Formation of butter from milk
Which of these are undesirable changes?
A1 and 3
B2 and 3
C1 , 3 and 5
D4 and 5
We cannot desire the way in which the climate changes