Response of Plants to Stimuli

Q.

Which hormone is responsible for wilting of leaves?

Q. Where are sugar and hormones synthesized in plants ?

Q.

Which plant hormone is associated with respiratory climatic?

Q.

It's written that ABA hormone inhibits plant growth and metabolism, their days that ABA plays an important role in seed development and maturation. How is that possible?

Q. Which animal or plant hormone is associated with development of seedless fruit and increased sugar level in the blood

Q. Which of the following is not a response to light?

1. Closing of plant leaves due to a sudden flash of light.
2. A potted plant growing towards sunlight.
3. Mimosa plant closing it's leaves when we touch it.
4. Gathering of insects around a glowing street lamp.

Q. The colourful part of the plant which attracts insects for pollination is called ____________.

1. sepals
2. pedicel
3. petals
4. thalamus

Q. Amit has attended a seminar on the topic "Plant Hormones". The seminar instructor discussed about the functions of a particular plant hormone X, which helps in the germination of seeds and sprouting of buds. It also helps in the elongation of stem and development of fruit. Amit got confused to identify the name of the hormone. What can be the correct answer?

1. Abscisic Acid
2. Auxins
3. Gibberellins
4. Ethylene

Q. Very short answer type.
Name the hormone that makes plants more tolerant to various stresses.

Q.

Question 1
What are plant hormones?

Q.

All living organisms respond to stimuli.

1. True
2. False

Q. A touch-me-not plant closes its leaf on being touched. is the stimulus in this case.

1. Wind
2. Touch
3. Leaf

Q. Amit has attended a seminar on the topic "Plant Hormones". The seminar instructor discussed about the functions of a particular plant hormone X, which helps in the germination of seeds and sprouting of buds. It also helps in the elongation of stem and development of fruit. Amit got confused to identify the name of the hormone. What can be the correct answer?

1. Abscisic Acid
2. Gibberellins
3. Auxins
4. Ethylene