Fill in the blanks with suitable words.

The loss of excess water in the form of drops along the (a) …………… due to excessive (b) …………… is called guttation. In certain plants, like (c) …………… , grass etc. the root pressure is high enough to force the water all the way through the (d) …………… and comes out through the ends of (e) …………… .

Choose the odd one out from the following terms and name the category to which others belong.

(a) Genotype, Phenotype, Allotype, Mutation

(b) White matter, Duramater, Arachnoid matter, Piamater

(c) Addison's disease, Cushing's syndrome, Adrenal virilism, Cretinism.

(d) Mining, Stone drilling, Wearing of rubber tyres, Noise of jet

(e) Cortisol, Aldosterone, Androgen, Epinephrine

When a black coloured guinea pig is crossed with a white coloured guinea pig. What coloured obtained in F₁ generation if black colour is dominant over white?

Mention two functions of placenta.