Question:
Read the statements given below and fill up the blanks with the correct words listed in the box.
deep, ductless, nutrients, thyroxine
(i) The meal that includes all………. is a balanced diet.
(ii) Insufficient production of…………….. in the tadpoles leads to their incomplete development.
(iii) Endocrine glands are also called………….. glands.
(iv) After attaining puberty, boys develop a ………….voice
Solution:
(i) nutrients
(ii) thyroxine
(iii) ductless
(iv) deep