Advertisements
Advertisements
Question
What are hormones? Give examples.
Advertisements
Solution
Hormone is an organic substance that is sëcreted by one tissue into the bloodstream and induces a physiological response in other tissues. It is an intercellular signaling molecule. Virtually every process in a complex organism is regulated by one or more hormones. For example, insulin, epinephrine, estrogen, androgen, etc.
APPEARS IN
RELATED QUESTIONS
Put a tick mark (✓) against the correct alternative in the following statement:
Cortisone hormone is secreted by:
Put a tick mark (✓) against the correct alternative in the following statement:
Which one of the following hormones converts excess of glucose into glycogen:
State whether the following statement is true (T) or false (F):
Hormones are secreted by ductless glands.
Find the odd-one out, giving reason:
Pituitary, adrenal, thyroid, salivary gland
Describe two characteristic features of hormones.
Match Column I with Columns II and III.
| Column I | Column II | Column III |
| Auxin | Gibberella fujikuroi | Abscission |
| Ethylene | Coconut milk | Intermodal elongation |
| Abscisic acid | Coleoptile tip | Apical dominance |
| Cytokinin | Chloroplast | Ripening |
| Gibberellins | Fruits | Cell division |
Which statement is not true about thyroxin?
Blood sugar level rises due to deficiency of which hormone?
State properties of hormones.
Write the Zwitter ion structure of alanine.
