Question
Which cells give rise to various organs of the plant and
keep the plant growing?Solution
Meristematic cells are undifferentiated cells that divide and give rise to various organs, contributing to the plant's growth.
The Distance between two cities, Dehradun and Delhi is 220 km. Rakesh started from Dehradun at 9.30 am at a speed of 40 Km/hour and Suresh started from ...
- Neha takes 10 hours to travel a certain distance at a speed of 20 km/h. What should be her new speed to complete the same journey in 5 hours?
Vicky and Vikram start running simultaneously around a rectangular track of length 900m from the same point at speeds of 50 km/hr and 40 km/hr. When wil...
A motor-cycle covers 90 km with a speed of 45 km/hr. find the speed of the motor-cycle for the next 90 km journey so that the average speed of the whole...
If Lalitha leaves home and drives to her school at a speed of 45kmph, she reaches 5 minutes later than when she drives at 60kmph speed. Find the distanc...
The speed of a bike increases by 2 km/hr after every 1 hour. If the distance travelled by the bike in 1st hour is 35 km, the find the total distance tra...
- A biker rode for 3 hours at 80 km/h and then for 2 hours at 60 km/h. Calculate the average speed during the entire ride.
A boy goes to his school at 1/6th of the speed at which he returns from his school. Average speed during the whole trip (i.e. one round) is 36 km/h. Wha...
On travelling with 45% less speed than his actual speed, Mohan reached the destination 6 hours late. Find the time taken by him to reach his destination...
A boat can go 3 km upstream and 5 km downstream in 55 minutes. It can also go 4 km upstream and 9 km downstream in 1 hour 25 minutes. In how much time (...
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