Rat vs Mouse Comparison in hindi #Shorts #Short | Rat vs Mice

NSUT vs DTU | College Comparison | Which is Better?

The diagrams shows vertical sections of kidneys of coypu, brown rat and kangaroo rat, showing the relative size and are never short of water to drink. Brown rats are able to go some days without drinking. Kangaroo rats are able to live in deserts without drinking at all. Which kidney belongs to which animal.?

Given below are certain features of mouse. Read them and select why mouse is the most preferred animal for studies on gene transfer (i) Short oestrous cycle and gestation period (ii) Relatively short generation time (iii) Covenient in vitro fertilisation (iv) Production of several offspring per pregnancy

(i) A block is connected to an ideal spring on a horizontal frictionless surface. The block is pulled a short distance and released. Plot the variation of kinetic energy of the block vs the spring potential energy. (ii) A ball of mass 200 g is projected from the top of a building 20 m high. The projection speed is 10 m/s at an angle theta=sin^(-1)(3/5) from the horizontal. Sketch a graph of kinetic energy of the ball against height measured from the ground. Indicate the values of kinetic energy at the top and bottom of the building and at the highest point of the trajectory, specifying the heights on the graph. Neglect air resistance and take g = 10 m//s^(2)