Question
In an examination of three papers of 200 marks each, a
candidate got 120 and 100 marks in the first two papers. The percentage of marks he should get in the third paper to have an aggregate of 62% is.Solution
Marks obtained in first two papers = 120 + 100 = 220 Marks obtained in three papers = 600 × (62/100) = 372 Required marks to be obtained in third papers = 372– 220 = 152 Require percentage of marks = 152*100/200 = 76%.
Pebrine disease of silkworm is caused by
Tassar silk is majorly grown in
The silk fibres are held together in cocoon by a substance known as
This toxin is derived from Bacillus thuringiensis, alters the ion permeability of the midgut epithelia in insects, leading to gut paralysis and death:
The type of glands associated with the insect's head appendages is primarily responsible for silk production in certain insect larvae is
Which of the following is true about the immature scale insects?
Pebrine disease of silkworm is caused by
The silkworm larva ceases to eat and begins spinning silk all over its body from ____
The type of antennae found in Honeybee are………………
“Clipping” the tips of the rice seedling before transplanting reduces the infestation of __________
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