Question

Give reason for the following [5]


(i) Person of blood group O is a universal donor.

(ii) Cell sap in root hair has higher salt concentration than the surrounding soil water.

(iii) Insect pollinated flowers are brightly coloured or scented.

(iv) Testes in male mammals are located outside the abdomen in scrotal sacs.

(v) Scavengers are the important component of the ecosystem.​

Answer 1

Answer:

(i)

Explanation:

persons with 'o' blood group are called universal denor as they can donate blood to persons with any blood group.

HOPE IT IS USEFUL