Question

Fill in the blanks by selecting the appropriate alternative from those given in brackets. [5 MARKS]
(i) Regulation of activities inside the body are brought about by ___ and ___ systems. (nervous / digestive / endocrine).
(ii) Hormones are secreted directly into the ___ (organs/lymph/blood)
(iii) Chemically, some hormones are ___, some steroids, some ___ (proteins/ amines/carbohydrates)
(iv) Both ___ or deficiency of hormones lead to serious consequences. (excess / absence)
(v) Hormones produced in one species usually show ___ influence in other species. (similar / different)

Answer 1

Each Part: 1 Mark

(i) Regulation of activities inside the body are brought about by nervous and endocrine systems.
(ii) Hormones are secreted directly into the blood.
(iii) Chemically, some hormones are proteins, some steroids, some amines.
(iv) Both excess or deficiency of hormones lead to serious consequences.
(v) Hormones produced in one species usually show similar influence in other species.