Question
Vines respond to touch by:
- Folding
- Coiling around the object
- Growing in a straight line
- They do not respond to touch.
Hint:
It shows thigmotropism.
The correct answer is: Coiling around the object
The correct option is b)Coiling around the object.
Thermotropism is a directed growth movement that occurs as a mechano-sensory response to touch stimuli. Thigmotropism is usually found in entwined and climbing plants, but plant biologists have also found thermotropic responses in flowering plants and fungi.
Related Questions to study
The stem of plant shows:
The stem of plant shows:
Response to gravity is called:
Response to gravity is called:
What is INCORRECT about tropism?
What is INCORRECT about tropism?
Plants respond to which of the following:
Plants respond to which of the following:
Plants are not sensitive to heat.
The statement is false.
Heat stress is often defined as a sufficiently high temperature for a sufficient period of time to cause irreversible damage to plant function and development. In addition, high temperatures increase the rate of reproductive development and shorten the time during which photosynthesis contributes to fruit and seed production. Plants can be harmed in many ways by hot day and night temperatures, hot air temperatures, and high soil temperatures. Pea plants can even die due to high temperature.
Plants are not sensitive to heat.
The statement is false.
Heat stress is often defined as a sufficiently high temperature for a sufficient period of time to cause irreversible damage to plant function and development. In addition, high temperatures increase the rate of reproductive development and shorten the time during which photosynthesis contributes to fruit and seed production. Plants can be harmed in many ways by hot day and night temperatures, hot air temperatures, and high soil temperatures. Pea plants can even die due to high temperature.
The stem of the plants grow towards the gravitational pull.
The stem of the plants grow towards the gravitational pull.
Plants growing towards the source of light is also known as:
The correct option is a)Phototropism.
Phototropism can be defined as the response of plant towards light. Plant cells furthest from light contain hormones called auxins that react when phototropism occurs. This causes plants to have elongated cells on the side furthest from light. Phototropism is one of many plant tropisms, and the movements in response to external stimuli. Growing towards the light source is called positive phototropism and growing away from the light is called negative phototropism.
Plants growing towards the source of light is also known as:
The correct option is a)Phototropism.
Phototropism can be defined as the response of plant towards light. Plant cells furthest from light contain hormones called auxins that react when phototropism occurs. This causes plants to have elongated cells on the side furthest from light. Phototropism is one of many plant tropisms, and the movements in response to external stimuli. Growing towards the light source is called positive phototropism and growing away from the light is called negative phototropism.
