Question
In two years, half the tiles fall off from a wall. How
many years will it be when 75% of the tiles have fallen off?Solution
ATQ, If half the tiles fall off in two years, it means the rate of tiles falling off is 25% per year (since 50% over two years). To find out how many years it will take for 75% of the tiles to fall off, we can set up a proportion: 
Which pest acts as a vector for many diseases and affects crops like lablab, black gram, and green gram with silvering leaves?
“Puffiness” is a physiological disorder of which crop?
Golden rice, which is genetically modified, is rich in:
Which of the following is not matched correctly?
Pebrine is a disease of B. mori:
When a cross is made between offspring and its recessive parent , it is known asÂ
Lactose sugar of milk is converted into Lactic acid by
According to Lindeman’s law how much energy is lost while transfer from one to next trophic level ?
Which of the following enzyme is not involved in the process of genetic engineering?
A method of asexual propagation in which a stem is made to produce roots while still attached to the parent plant is called
