How do plants respond even without a nervous system?
Answer and explanation
Correct answer: Through chemical substances and growth changes
Plants lack a nervous system, brain, and bones, so they cannot coordinate responses in the animal way. They respond mainly through chemical messengers such as plant hormones and by changing their growth. For example, auxin can cause a shoot to bend toward light. Therefore, option A is correct; the other choices describe structures or processes that plants do not use for nervous coordination.
Frequently asked questions
What is the correct answer to this question?
Through chemical substances and growth changes
Why is this the correct answer?
Plants lack a nervous system, brain, and bones, so they cannot coordinate responses in the animal way. They respond mainly through chemical messengers such as plant hormones and by changing their growth. For example, auxin can cause a shoot to bend toward light. Therefore, option A is correct; the other choices describe structures or processes that plants do not use for nervous coordination.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Control and Coordination. Topic: Plant hormones.
