reasoning #shorts

Assertion : Short wave bands are used for transmission of radio waves to a large distance. Reason : Short waves are reflected by ionosphere

Assertion : The alimentary canal of the frog is short Reason : Frogs are carnivores.

Assertion : A neuron is a microscopic structure composed of three major parts, namely, cell body, dendrites and axon. Reason : Short fibres which branch repeatedly and project out of the cell body are called axons.

Assertion: Dark period play more important part in flowering than light period. Reason : Flowering occurs in short-day plant if the dark period is interrupted by light break.

Suppose that out of 1000 koffspring in the F_(2) generation of a dihybrid cross, 748 are tall and hairy, 6 are tall and smooth, 4 are short and hairy 242 are short and smooth.The reason is that the genes controlling these characters are

Give reasons for the following statements: (i) Variable factor proportions obtain in the short run. (ii) Fixed factor proportions obtain in the long run.