Question
The vice-captain of a cricket team of 11 members
is 24 years old and the opener is 5 years older. If the ages of these two are excluded, the average age of the remaining players is 2 years less than the average age of the whole team. What is the average age of the team?Solution
Let the average age of the whole team be x years Total age of the whole team = 11x years => [11x - (24 + 29)]/9 = (x-2) => 11x – 53 = 9x– 18 => 11x- 9x = 53 – 18 => 2x = 35 => x = 17 years 6 months
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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