Biology
Complete the following sentences:
(a) Growth of root towards water is …………… .
(b) …………… hormone inhibits apical dominance.
(c) …………… and …………… induce chemotropism of angiosperms and gymnosperms.
(d) …………… of sweet peas exhibit thigmotropism.
(e) …………… is also called as "stress hormone".
Answer
(a) Growth of root towards water is hydrotropism .
(b) Cytokinins hormone inhibits apical dominance.
(c) Sugars and peptones induce chemotropism of angiosperms and gymnosperms.
(d) Tendrils of sweet peas exhibit thigmotropism.
(e) Abscisic acid is also called as "stress hormone".
Related Questions
The hormone which accelerates senescence (ageing) and abscission of leaves is :
- IAA
- GA3
- ABA
- GA1
Match the items in column A with those of column B.
Column A Column B (a) Auxin (i) apical dominance (b) Gibberellin (ii) cell-division (c) Cytokinin (iii) fruit ripening (d) Ethylene (iv) internodal elongation How is movement in plants different from that in animals?
Name the stimulus which causes the following movements in plants: phototropism, thigmotropism, hydrotropism and geotropism.