09-12-2018, 11:19 AM
The outer layers of the ovule become impervious and hard and function as a seed coat. An ovule with an embryo inside is called a seed.
The ovary enlarges and ripens to become a fruit.
Other floral parts such as sepals, petals, stamens, styles and stigma may fall off. However, in some cases, they remain persistent in the fruit.
Nephron is called filtering unit of kidney because it filters the blood and remove the poisonous nitrogenous waste like urea and uric acid, excess of water from it. These harmful products get filteredand useful products are reabsorbed by tubular part of nephron. By this way, harmful waste is excreted out as urine from the body.
Solutions for CBSE Class X Science Periodic Test can be had from the link below
The ovary enlarges and ripens to become a fruit.
Other floral parts such as sepals, petals, stamens, styles and stigma may fall off. However, in some cases, they remain persistent in the fruit.
Nephron is called filtering unit of kidney because it filters the blood and remove the poisonous nitrogenous waste like urea and uric acid, excess of water from it. These harmful products get filteredand useful products are reabsorbed by tubular part of nephron. By this way, harmful waste is excreted out as urine from the body.
Solutions for CBSE Class X Science Periodic Test can be had from the link below