After pollination and fertilization following changes occur in a flower: (i) The petals, stamens, style and stigma of the flower fall off. (ii) Sepals dry up and hold the ovary. (iii) The ovules confined in the ovary develop into seeds.
Answer:
Answer is option D.
Olfactory nerve is a sensory cranial nerve.
Explanation:
Nerves are the part of peripheral nervous system, which transmit signals from brain or spinal cord (central nervous system) to the different parts of the body and vice versa.
Based on the direction of signal transmission, they are classified into three groups; sensory nerves (afferent nerves) pass signals from sensory receptors (pain, pressure, temperature etc) in various parts of the body to the central nervous system, motor nerves (efferent nerves) transmit signals from the central nervous system to the muscles and glands all throughout the body, mixed nerves contain both sensory and motor fibers which conduct both sensory information and muscle commands throughout the body.
Based on where they are connected to the central nervous system, they are classified into two groups; spinal nerves connected to the spinal cord and cranial nerves attached to the brain. All the 31 spinal nerves are combined sensory and motor axons.
Of the 12 cranial nerves, three are sensory nerves, four are motor nerves and five are mixed nerves. The sensory cranial nerves are olfactory (smell), optic (vision) and acoustovestibular (hearing and balance) nerves. The motor cranial nerves are trochlear (controls the superior oblique muscle of the eyeball), abducens (controls the lateral rectus muscle of the eyeball), accessory (controls the trapezius muscle in the back and shoulders), hypoglossal (controls the muscles of the throat and helps in swallowing) nerves. The five mixed cranial nerves are occulomotor, trigeminal, facial, glossopharyngeal and vagus nerves.
Answer: elevation, landforms
, relief
Explanation:
Area's topography can be defined as the physical features with which the area of the land is associated with. These features are mountains, lakes, valleys and rivers.
The following are the elements of the parts of the area's topography:
Elevation: The elevation describes the height above the given level. This can be used to measure the height of the mountain.
Landforms: Landforms are the features of the Earth's surface that includes the parts like hills, plains and mountains.
Relief: A relief gives an idea of elevation from the concerned point in a landform.
OH- and H+ , and let's not forget H3O^+
i believe the answer is 300. ;)
