Question
Flowering in long day and short day plants is controlled
by the pigmentSolution
Phytochrome is a pigment involved in the detection of light duration and can trigger long-day or short-day plants to flower when the correct day length conditions are met
When the bus moves at 3/4 of its usual speed, it is 20 minutes late. What is its usual time to cover the journey?
A man travels 450 km to his home partly by train and partly by car. He takes 8 hrs 40 minutes if he travels 240 km by train and rest by car. He takes 20...
A boat travels from dock ‘M’ to dock ‘N’ at a constant speed. If its speed was increased by 8 km/h, it would have taken 4 hours less to cover th...
A cyclist has to cover 180 km. She rides the first 20% at 25 kmph, half of the distance at 30 kmph, and the remainder at 20 kmph. What is her approximat...
Pawan Express is a 300-meter-long train which moves at an average speed of 100 km/hr and crosses a platform in 27 seconds. A man crosses the same platfo...
yoti, Kavya, Shivam and Manish start walking from the same point in the same direction around a rectangular track and each one of them completes one rou...
A man travels some distance at a speed of 16 km/hr and returns at a speed of 12 km/hr. If the total time taken by him is 2 hrs 20 min, the distance is <...
Average speed of ‘A’ during a 20-hour journey is 30 km/h. If he covered the first 240 km of his journey at a speed of 20 km/h, then find the speed a...
B starts 4 minutes after A from the same point, for a place at a distance of 7 miles from the starting point. A on reaching the destination turns back a...
A motor-cycle covers 110 km with a speed of 45 km/hr. find the speed of the motor-cycle for the next 110 km journey so that the average speed of the who...
Relevant for Exams:
