Question

1. What are plant hormones ? Name a plant hormone that promotes growth in plants.
2. What is the significance of tropic movements in plants ? Explain any two types of tropic movements.
3. Which hormone is known as emergency hormone in our body ? How it helps in coping during emergency ?

Answer 1

plant hormones are also called phyto
hormones
auxin is the hormone that promotes growth
3 adrenaline is the emergency hormone

Answer 2

1. Plant hormones or phytohormones are hormones secreted by plants for control and coordination.
Auxin
2. It helps the plants to adapt to their surroundings.
geotropism- movement of roots towards the Earth's gravity and the opposite of the shoot.
phototropism- The movement of shoot system toeards sunlight
3. adrenaline
It helps our body to prepare for a fight or flight situation