Question
Monthly savings of ‘A’ is Rs. 1600 more than his
monthly expenditure and his total monthly income is Rs. 4800. If his monthly income is increased by 40% and his monthly savings is increased by 37.5%, then find the increase in his monthly expenditureSolution
Monthly savings of ‘A’ = (4800 + 1600)/2 = Rs. 3200 Monthly expenditure of ‘A’ = 4800 – 3200 = Rs. 1600 Increased monthly expenditure of ‘A’ = 1.40 × 4800 – 1.375 × 3200 = Rs. 2320 Desired increase = 2320 – 1600 = Rs. 720
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 __________
