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ATQ,
Let the maximum marks = 100x
Passing marks = 45x
M’s score = (45x)(1 – 0.15) = 38.25x
N’s score = (38.25x)(1 – 0.18) = 31.36x
Sum of the scores of ‘M’ and ‘N’ = 38.25x + 31.36x = 69.61x
Required percentage = {(69.61x – 45x)/69.61x} × 100 = 35.33%
This Chemical known as “Apple Factor” which is released by Malus sp. and acts as an attractant to Aphis pomi is:
Which of the following insects is the carrier of grassy stunt pathogenic virus?
Chili leaf curl disease is spread by vector_________
Insects are classified into the phylum_______.
Shellac is secreted by
Trichogramma japonicum is a natural parasitoid which is used to control ________
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Propodeum is found in the insect belonging to the sub-order:
The silk fibres are held together in cocoon by a substance known as
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