Question
Crossing over takes place in which stage of cell
cycle?Solution
Pachytene is the third stage of meiosis prophase-1 (a five-stage process). It is preceded by the zygotene stage, where synapsis, i.e. pairing of homologous chromosomes take place.
Which among the following is not a characteristic of transition metals?
Two identical piano wires have same fundamental frequency when kept under the same tension. What will happen if tension of one of the wire is slightly i...
The Mohs scale is used to measure:
The refractive index of glass is 1.5. What is the speed of light in glass?
(Speed of light in vacuum is 3.0 ×108 m s-1)
Light from a point source in air falls on a spherical glass surface (n=1.5 c and radius of curvature = 10 cm). The distance of the light source from the...
The functioning of a quartz crystal in a watch is based on which principle?
A positron is an anti-particle of an electron, having the same mass but opposite charge to electron. Then, the minimum energy released in annihilation ...
The Pointing vector of electromagnetic waves has the same dimensions as that of:
What is the speed of sound in air at room temperature (20°C)? Â
A ball is projected from the ground at 45°. It strikes a vertical wall and rebounds with the same speed making the same angle on the other side. If th...
