Page 95 - EM BIOLOGY NOTES 10TH CLASS PSR DIGITAL BOOKS
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1. Haemoglobin is a red coloured pigment. It helps in the process of Photosynthesis.
2. Iron is present in chlorophyll of chloroplast.
3. In photolysis water molecule splits into hydrogen and oxygen ions.
4. The deficiency of calciferol causes a skin disease called Pellagra.
5. Aerial roots are present for respiration in desert plants.
6. When air passes into the lungs it causes vocal cards to vibrate.
7. Absence of adrenalin hormone produces dilute urine.
8. The liquid portion after formation of blood clot is lymph.
9. Kidney shows two regions. Dark coloured outer zone is called Medulla.
10. Nerve cell consists of an axon with a prominent nucleus.
11. The secretions secreted by ductless glands are called hormones.
12. Cardiac and vasomotor activities are controlled by cerebellum.
13. The majority of flowering plants have an embryosac consisting of 7 cells and 7 nuclei.
14. Digestive juices turns the food into a smooth porridge like consistency called bolus.
15. The process of entry of pollutants into a food chain is known as Biomagnification.
16. The valve present on the right auriculo ventricular septum between right atrium and right
ventricle is referred to as Bicuspid valve.
17. Arteries bring blood from all body parts to the heart.
18. The postcaval vein collects blood from anterior parts of the body.
19. Mitosis occur only during the formation of gametes in sexual reproduction.
20. Insulin hormone is also called fight (or) flight hormone.
21. The hormone leptin secreted in the stomach is responsible for hunger generating sensa-
tions.
22. Charles Darwin proposed “Inheritance of acquired characters”.
23. The process of acquiring characters (or) traits from parents is called Inheritance.
24. Any type of plant or animal material that can be converted into energy is called biofuels.
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