Page 1 - 3.Home Assignment I-(Obj & Subj) -Role of hormones

SAI International School
Subject- Biology, Class-VIII
Chapter- Reaching the age of adolescence
Subtopic- Role of hormones in completing the life
history of insects and frog
Module- 24
Home Assignment-I

OBJECTIVE (MCQ)
Q.1 Identify the correct sequence.
(a) Late tadpole- Early tadpole- Adult frog - Egg
(b) Egg- Adult frog- Late tadpole- Early tadpole
(c) Egg- Late tadpole- Early tadpole- Adult frog
(d) Egg- Early tadpole- Late tadpole- Adult frog

Q.2 Mineral required for the process of metamorphosis is -
(a) Iodine
(b) Iron
(c) Sodium
(d) Potassium

Q.3 Deficiency of iodine leads to-
(a) Change in voice.
(b) Increase in height.
(c) Goitre in humans.
(d) Development of sex organs

Q.4 What is the role of iodine?
(a) Production of adrenaline.
(b) Production of thyroxine.
(c) Production of insulin.
(d) Production of Growth hormone.

Q.5 Identify the incorrect statement-
I. The conversion of larva into an adult by undergoing through drastic
changes is called metamorphosis.
II. Metamorphosis in frog is controlled by thyroxine.
III. Metamorphosis in frog is controlled by insect hormones.

(a) I
(b) III
(c) II,III
(d) I,II,III