Phototropism (рдкреНрд░рдХрд╛рд╢рд╛рдиреБрд╡рд░реНрддрди): Phototropism occurs when plants grow towards a light source. Auxins accumulate on the shaded side of the plant, causing cells to elongate more on that side, resulting in the plant bending towards the light.
Example: рдЬрдм рдкреМрдзрд╛ рд╕реВрд░рдЬ рдХреА рдУрд░ рдореБрдбрд╝рддрд╛ рд╣реИ, рддреЛ рдпрд╣ рдСрдХреНрд╕рд┐рди рдХреЗ рдХрд╛рд░рдг рд╣реЛрддрд╛ рд╣реИ рдЬреЛ рдЙрд╕рдХреА рдЫрд╛рдпрд╛ рд╡рд╛рд▓реА рддрд░рдл рдЕрдзрд┐рдХрддрд╛ рдореЗрдВ рд╣реЛрддрд╛ рд╣реИред
Other Question Answers ЁЯХ╡я╕Пof Control and Coordination Make Notes тЬТя╕П
- What is the difference between a reflex action and walking?
- What happens at the synapse between two neurons?
- Which part of the brain maintains posture and equilibrium of the body?
- How do we detect the smell of an agarbatti (incense stick)?
- What is the role of the brain in reflex action?
- What are plant hormones?
- How is the movement of leaves of the sensitive plant different from the movement of a shoot towards light?
- Give an example of a plant hormone that promotes growth.
- How do auxins promote the growth of a tendril around a support?
- Design an experiment to demonstrate hydrotropism.
- How does chemical coordination take place in animals?
- Why is the use of iodised salt advisable?
- How does our body respond when adrenaline is secreted into the blood?
- Why are some patients of diabetes treated by giving injections of insulin?
- Which of the following is a plant hormone?
- The gap between two neurons is called a
- The brain is responsible for
- What is the function of receptors in our body? Think of situations where receptors do not work properly. What problems are likely to arise?
- Draw the structure of a neuron and explain its function.
- How does phototropism occur in plants?
- Which signals will get disrupted in case of a spinal cord injury?
- How does chemical coordination occur in plants?
- What is the need for a system of control and coordination in an organism?
- How are involuntary actions and reflex actions different from each other?
- Compare and contrast nervous and hormonal mechanisms for control and coordination in animals.