Life Processes Worksheet-8
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Which part of roots is involved in exchange of respiratory gases?
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What is the exact function of chlorophyll?
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What is the difference in the sites of light reaction and dark reaction?
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Mention the function of gizzard.
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What is transpiration?
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Name the two kinds of cells of xylem.
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State the term for transport of food from leaves to other parts of the plant.
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Name the system responsible for transportation of materials in human beings.
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What makes red blood corpuscles red in colour?
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Name the largest artery in our body.
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What is the other term for extracellular fluid?
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Name the excretory unit of kidney.
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Where is urine carried through ureters?
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Name the procedure used in the working of artificial kidney.
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Name the phase of the cardiac cycle in which both auricles and ventricles are relaxed simultaneously.
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Which pigment is responsible for the transport of nutrients, respiratory gases, metabolites, hormones and waste products?
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Name the artery supplying blood to the heart.
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Why are capillaries thin-walled?
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Why are arteries thick-walled?
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Which membrane encloses the heart?
Answer:
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Root hairs.
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Chorophylls are photoreceptors that help in trapping the energy of the light for photosynthesis.
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Light reaction occurs in the grana and the dark reaction occurs in the stroma.
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The gizzard thoroughly grinds the food before passing it on to the stomach.
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Transpiration is defined as the process by which plants lose water in vapour form into the surrounding air.
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Tracheids and Vessels.
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Translocation.
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Circulatory system.
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Haemoglobin makes RBCs red.
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Aorta.
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Lymph.
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Nephron.
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The urine is carried through ureters into the urinary bladder.
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Dialysis.
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Joint diastole.
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Haemoglobin.
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Coronary artery.
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The thin walls make the capillaries permeable for free diffusion of water and dissolve substances in and out.
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Arteries are thick-walled to counter balance the blood pressure.
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Pericardium.
