Comment upon the following: When you enter a darkroom from bright lighted room you are blinded momentarily

Comment upon the following : The leaves of plants roll up on a bright sunny day.

Comment upon the following: When an ovum getsfertilised, menstrual cycle stops temporarily in a woman?

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

Comment upon the following O_2 produced during photosynthesis comes from water.

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

Comment on the following statements. CH_4 does not react with oxygen at room temperture but burns when a lighted match stick is applied to the mixture.

Comment upon the following : Wilted lettuce becomes crisp/firm when placed in cold water for a while .

Comment upon the following: Blood entering the kidney has more glucose than the blood leaving the kidney but urine contains no glucose.

Comment upon the following : People living in hilly regions usually suffer from simple goitre.

When light enters from air to water, then its