Question
Drum culture technique is used to determine WR ofÂ
which of the following crop?Solution
Drum culture technique is used to determine water requirement of lowland rice. In this method, four drum of size 50×50×50 cm are taken i.e. A, B, C and D. A and B have bottom while C and D are without bottom. All the drums are embedded in soil leaving 20 cm above soil surface. Rice is transplanted in drum A, C & D. and rice seedlings without roots are planted in drum B and the data on percolation, evaporation, ET, transpiration and effective rainfall is obtained.
Which of the following is a cell surface receptor?
The pressure inside a soap bubble is 3 Pa more than atmospheric pressure. Surface tension is 0.03 N/m. Find radius.
Butanone is a four-carbon compound with the functional group
The interaction between the alleles of two or more loci is known as:
Cathode rays when obstructed by metal cause emission of -
Noise is measured in –
Which of the following statements is/are correct?
1. Amnion contains fluid.
2. Ultrasound scan can detect the sex of an embryo.
Sel...
A car accelerates from rest at a uniform rate of 2 m/s² for 10 s. What is the total distance traveled?
Which of the following has the lowest wavelength?
Mass of an object on earth is 12. What is its weight on moon?