The cells of different organs of plants and animals need various necessary substances to carry out many metabolic activities and different type of waste products are created during these metabolic activities. So, transport of materials is necessary to supply the required substances and to remove theRead more
The cells of different organs of plants and animals need various necessary substances to carry out many metabolic activities and different type of waste products are created during these metabolic activities. So, transport of materials is necessary to supply the required substances and to remove the waste products.
Water absorption through roots can be increased by keeping the plants (iii) under the fan. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
Water absorption through roots can be increased by keeping the plants (iii) under the fan.
Water reaches great heights in the trees because of suction pull caused by transpiration. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
Water reaches great heights in the trees because of suction pull caused by transpiration.
Why is transport of materials necessary in a plant or in an animal? Explain.
The cells of different organs of plants and animals need various necessary substances to carry out many metabolic activities and different type of waste products are created during these metabolic activities. So, transport of materials is necessary to supply the required substances and to remove theRead more
The cells of different organs of plants and animals need various necessary substances to carry out many metabolic activities and different type of waste products are created during these metabolic activities. So, transport of materials is necessary to supply the required substances and to remove the waste products.
https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
See lessWater absorption through roots can be increased by keeping the plants
Water absorption through roots can be increased by keeping the plants (iii) under the fan. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
Water absorption through roots can be increased by keeping the plants (iii) under the fan.
https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
See lessIn plants, water is transported through
In plants, water is transported through (i) xylem https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
In plants, water is transported through (i) xylem
https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
See lessFill in the blanks: Water reaches great heights in the trees because of suction pull caused by ___________.
Water reaches great heights in the trees because of suction pull caused by transpiration. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
Water reaches great heights in the trees because of suction pull caused by transpiration.
https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
See lessFill in the blanks: Kidneys eliminate the waste materials in the liquid form called ___________.
Kidneys eliminate the waste materials in the liquid form called urine. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
Kidneys eliminate the waste materials in the liquid form called urine.
https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
See lessFill in the blanks: Sweat contains water and ___________.
Sweat contains water and salt. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
Sweat contains water and salt.
https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
See lessFill in the blanks: The main excretory product in human beings is ___________.
The main excretory product in human beings is urea. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
The main excretory product in human beings is urea.
https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
See lessFill in the blanks: The rhythmic expansion and contraction of the heart is called ___________.
The rhythmic expansion and contraction of the heart is called heartbeat. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
The rhythmic expansion and contraction of the heart is called heartbeat.
https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
See lessFill in the blanks: Arteries and veins are joined by a network of ___________.
Arteries and veins are joined by a network of capillaries. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
Arteries and veins are joined by a network of capillaries.
https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
See lessFill in the blanks: Haemoglobin is present in ___________ cells.
Haemoglobin is present in red blood cells. https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
Haemoglobin is present in red blood cells.
https://www.tiwariacademy.com/ncert-solutions/class-7/science/chapter-11/
See less