The movement of leaves of the sensitive plant is a nastic movement, i.e. it does not depend on the direction of the stimulus. On the other hand, the movement of a shoot towards light is a tropic movement, i.e. it depends on the direction from which light is coming.
The movement of leaves of the sensitive plant is a nastic movement, i.e. it does not depend on the direction of the stimulus. On the other hand, the movement of a shoot towards light is a tropic movement, i.e. it depends on the direction from which light is coming.
The olfactory receptors; present in the nostrils; pick the smell. They send signals to the brain. The brain interprets those signals and we detect the smell of an incense stick.
The olfactory receptors; present in the nostrils; pick the smell. They send signals to the brain. The brain interprets those signals and we detect the smell of an incense stick.
Give an example of a plant hormone that promotes growth.
Auxin
Auxin
See lessHow is the movement of leaves of the sensitive plant different from the movement of a shoot towards light?
The movement of leaves of the sensitive plant is a nastic movement, i.e. it does not depend on the direction of the stimulus. On the other hand, the movement of a shoot towards light is a tropic movement, i.e. it depends on the direction from which light is coming.
The movement of leaves of the sensitive plant is a nastic movement, i.e. it does not depend on the direction of the stimulus. On the other hand, the movement of a shoot towards light is a tropic movement, i.e. it depends on the direction from which light is coming.
See lessWhat are plant hormones? Name a plant hormone that promotes growth in plants.
Plant hormones are special chemicals which regulate the growth of various plant parts.
Plant hormones are special chemicals which regulate the growth of various plant parts.
See lessWhat is the role of the brain in reflex action?
Brain has no direct involvement in reflex action. Reflex action is mainly controlled at the level of spinal cord.
Brain has no direct involvement in reflex action. Reflex action is mainly controlled at the level of spinal cord.
See lessHow do we detect the smell of an agarbatti (incense stick)?
The olfactory receptors; present in the nostrils; pick the smell. They send signals to the brain. The brain interprets those signals and we detect the smell of an incense stick.
The olfactory receptors; present in the nostrils; pick the smell. They send signals to the brain. The brain interprets those signals and we detect the smell of an incense stick.
See less