Question
The speed of a boat in still water is 7 km/hr and speed
of current is 4 km/hr. If time taken to cover a certain distance upstream is 22 hours, then how long will the boat take to cover the same distance downstream?Solution
Total distance = 22 × (7 – 4) = 66 km Required time = 66/(7 + 4) = 6 hrs
The hybrid citrus variety ‘Kinnow’ was developed by which of the following citrus breeders?
The floral mechanism known as cleistogamy, which ensures self-pollination, is beneficial under which condition?
Curcuma longa belongs to the family
Which of the following vegetable crop is rich in Vitamin C?
What is the ideal temperature range for cut rose storage in cold chambers?
What is the membrane around the vacuole known as?
Tungro disease of rice is transmitted by:
In dryland farming areas, conservation tillage techniques are promoted primarily to achieve which of the following outcomes?
Vermiculite is created by the industrial heat-processing of:
The mutant variety of Carica papaya is :
