Question
Which statement best defines a “stimulus”.
Something that causes change in the environment.
Process by which a plant grows in size.
Process by which a new plant develops.
A reaction to a change in the environment
Something that causes change in the environment.
Process by which a plant grows in size.
Process by which a new plant develops.
A reaction to a change in the environment
Hint:
It causes change around the organism's surroundings.
The correct answer is: Something that causes change in the environment.
The correct option is a)Something that causes change in the environment. A stimulus is a change that can be detected. This causes changes in the organism's environment which in turn results into some functional activity. Some plants grow towards sunlight. In this case the sunlight acts as a stimulus and growth are functional activity. Stimulus can cause a chemical or physical change.
Related Questions to study
Which of the following is an olfactory organ?
Which of the following is an olfactory organ?
Which of the following animals do not use echolocation to locate their prey?
Which of the following animals do not use echolocation to locate their prey?
Sense of smell is called:
The correct option is a)Olfaction. The sense of smell is due to the olfactory nerves present in our body. Olfaction is the other word for sense of smell. Olfaction helps organisms to detect food or smell of other things.
Sense of smell is called:
The correct option is a)Olfaction. The sense of smell is due to the olfactory nerves present in our body. Olfaction is the other word for sense of smell. Olfaction helps organisms to detect food or smell of other things.
Blindness is the inability to ____________.
The correct option is c)see. Blindness is the inability of the eyes to see. Blindness can be from birth or can be acquired later due to various reasons. A person may lose sight due to injury/infection. Blindness can be partial or complete. In partial blindness the vision is limited and in complete blindness the organism can not see anything.
Blindness is the inability to ____________.
The correct option is c)see. Blindness is the inability of the eyes to see. Blindness can be from birth or can be acquired later due to various reasons. A person may lose sight due to injury/infection. Blindness can be partial or complete. In partial blindness the vision is limited and in complete blindness the organism can not see anything.
Animals use the sense of smell to detect territories of other animals.
The statement is true. Many animals release a particular scent to mark their territories which can be smelled by other animals. This scent tells the other animals to move on from their area.
Animals use the sense of smell to detect territories of other animals.
The statement is true. Many animals release a particular scent to mark their territories which can be smelled by other animals. This scent tells the other animals to move on from their area.
Animals do not rely on the sense of touch.
Animals do not rely on the sense of touch.
Bats locate their prey with the help of sound.
Bats locate their prey with the help of sound.
Animals respond to which of the following:
Animals respond to which of the following:
Which of the following is NOT a sense present in animals?
Which of the following is NOT a sense present in animals?
Which of the following are sensory organs or receptors?
The correct answer is a)skin.
When we touch a hot object, we can feel the temperature due to the skin. The change in the temperature in the surrounding is detected by skin. This makes skin a sensory receptor.
Which of the following are sensory organs or receptors?
The correct answer is a)skin.
When we touch a hot object, we can feel the temperature due to the skin. The change in the temperature in the surrounding is detected by skin. This makes skin a sensory receptor.
