Biology-10th Control and Coordination CBSE Board 2025 Medium
(a) Analyse the given situations and interpret the possible reason for each : (i) Iodine deficiency in diet i…
(a) Analyse the given situations and interpret the possible reason for each :
- (i)Iodine deficiency in diet increases the possibility of a disease of swollen neck in a person.
- (ii)Some people in population may have very short heights (dwarfs).
- (iii)Thick facial hairs develop in boys at the age of 10-12 years. (b) Explain two reasons which necessitate the need of chemical communication in multicellular organisms.
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