No student devices needed. Know more
7 questions
The growth of roots of plants towards water is due to ________
hydrotropism
chemotropism
geotropism
phototropism
Which hormone inhibits the growth in pants?
auxin
gibberellin
abscisic acid
cytokinin
Which of the following hormone stimulates cell division in plants?
auxin
gibberellin
abscisic acid
cytokinin
__________ causes growth of tendrill in pea plant.
effect of light
effect of gravity
rapid cell divisions in tendrillar cells in contact with the support
rapid cell divisions in tendrillar cells that are away from the support
Choose the incorrect pair among the following.
Auxin - Growth in the length of the cell
Ethylene - Inhibits growth of the plant
Gibberellins - Growth of the shoots
Cytokinin - Stimulates cell division
Which of the following is example of positive phototropism?
growth of roots of plants towards water
growth of roots of plants towards land
Growth of shoot of plant towards sunlight
The growth of pollen tubes towards ovules
Priya planted two plants, plant A and plant B on same day and at same place. She used to water them everyday. But after few days Priya noticed plant A is growing well and well developed but plant B is not growing as expected. Choose correct option related to plant B in given situation.
Less secretion of hormone auxin.
More secretion of hormone auxin
Less secretion of hormone abscisic acid
More secretion of hormone ethylene
Explore all questions with a free account