Comment upon the following :
RBCs burst when kept in distilled water.

Comment upon the following All flesh is grass.

Comment upon the following: Gametes are always haploid.

RBC placed in distilled water will

Comment upon the following : When a plant cell is kept in hypertonic solution, it becomes flaccid.

Comment upon the following: Twins may or may not be identical.

Comment upon the following : Some plants show wilting of their leaves, even when the soil is well watered.

Comment upon the following: The urine is slightly thicker in summer than in winter.

Comment upon the following: At the time of birth, the testes descend down into the scrotal sac.

Comment upon the following: A single sperm fertilises an ovum, still more than 300 million sperms are present in each ejaculation.

Comment upon the following : A higher rate of transpiration is recorded on windy days rather than on a calm day.