(iii)
11swer the following in detail in 70 words. (5 marks each)
Explain the process of nutrition in Amoeba.
Discuss the different pathways of glucose breakdown in living beings.
Draw a well labelled diagram of human digestive system/
(iv)
Explain different types of heterotrophic nutrition.
Discuss about the factors affecting photosynthesis.
(vi) What are the main functions of stomach?
(vii)
Differentiate between aerobic and anaerobic respiration.
(viii)
How gaseous exchange occurs in tissues in living organisms?
Enlist the differences between artery and vein.
Draw a neat and well labelled diagram of human heart.
(xi) What is the importance of excretion and osmoregulation in living organisms?
(xii) Discuss how excretion occurs in plants.
(xiii) What are different types of neurons?
(xiv) Differentiate between tropic and nastic movements.
(XV) What are phytohormones and write function of each?
(xvi) What do you understand by CNS? Explain.
(xvii) Write functions of different parts of brain.
(xviii) Draw a well labelled diagram of neuron and explain its functions
(xix) What is dialysis? Why is it useful?
'Living organisms respond to stimull". Explain.
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Four types :
• The frontal lobe,
• Parietal lobe,
• Temporal lobe, and
• Occipital lobe.
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