Let speed of downstream and speed of stream be 7x and 5x respectively. Speed of current => 5x = 5 => x = 1 km/hr Downstream speed = 7 × 1 = 7 km/h Speed of boat = 7 - 1 = 6 km/hr Upstream speed = 6 - 1 = 5 km/h Distance travelled upstream in 4 hr = 4 × 5 = 20 km
The precursor of auxin is _____
Growing grasses in orchards between the trees without tillage or mulching is called
Golden rice, which is genetically modified, is rich in:
Principal of extension education is
Which farming technique involves clearing tracts by burning, cultivating for a limited period, and then allowing regeneration of natural vegetation?
In plant, the cell walls of ___ cells are coagulated with the deposition of suberin which makes them impervious to water and air.
Which of the following is not a stem modification?
Scientific name of potato is:
Which of the following element has a perforated cell wall?
Match Lis I with List II
Choose the correct answer f...
