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See your Answer Below Mate:-
Ans 1 :-U can see in the Attachment no.1.
Ans 2 :-Aerobic Equation:-
C6H12O6 + 6O2 → 6CO2 + 6H2O
(glucose + oxygen -> carbon dioxide + water)
Anaerobic Equation:-
C6H12O6 -> 2C3H6O3
(Glucose -> Lactic acid)
Ans 3:-(1)Refraction-Refraction is the bending of a wave when it enters a medium where its speed is different.
(2)Lateral Inversion-Lateral inversion is a phenomenon in which left appears to be right and vice versa.
(3)Center of Curvature-Centre of curvature is the centre of the sphere of which the spherical mirror is a part.
(4)a.The concave mirrors are used as shaving mirrors because when the face is held within the focus of concave mirror then an enlarged image of the face is seen in the concave mirror.
b.Convex mirrors are commonly used as rear-view (wing) mirrors in vehicles because they give an erect, virtual, full size diminished image of distant objects with a wider field of view.
c.A lemon in a glass of water appear bigger than its actual size is due to refraction of light".Reason: Light is refracted as it passes from water into air. Here, Tumbler with water acts as convex lens which curves outward in the middle and can focus light rays to magnify object.
Ans 5:- (1)If the image is upright, of same size as the object and it does not change in size when the mirror is moved, then the mirror is a plane mirror.
(2)If the image is upright, magnified and it becomes inverted when the mirror is moved away from the face, then the mirror is a concave mirror.
(3)If the image is upright and diminished and it remains upright when the mirror is moved away from the face, then the mirror is a convex mirror.
Ans 6 Absorption of water:-
=>Water holding capacity in different types of soils is different. Soil absorbs water because it is porous. Sandy soil holds less water than clay soil and loamy soil. Clay soil holds more water than sandy soil. Sand absorbs less water than clay. Some plants require more water to grow; they grow well in clay soil and loam soil, since sand hold less water, so less vegetation is found in sandy soil.
Percolation Rate:-
=>Sandy soil allows maximum percolation of water and clay soil allows minimum percolation of water. Rainwater percolates through the soil and collects above the bedrock. This level of groundwater is called water table. Sandy soil is quite loose, so the percolation rate of water is highest in sandy soil but lowest in the clay soil because it is very compact.
Ans 7:-(1)Sodium Bicarbonate-
(a)Common name-baking soda.
(b)Formula-NaHCO3
(2)Acetic acid-
(a)Common name-ethanoic acid.
(b)Formula- C2H4O2.
(3)Calcium oxide-
(a)Common name-lime.
(b)Formula-CaO.
(4)Calcium Hydroxide-
(a)Common name-slaked lime
(b)Formula- Ca(OH)2.
(4)Calcium carbonate-
(a)Common name-limestone.
(b)Formula- CaCO3.
Ans 8-(1)Function of epiglottis:-
=>The main function of the epiglottis is to seal off the windpipe during eating, so that food is not accidentally inhaled.
(2)Function of haemoglobin:-
=>Hemoglobin is contained in red blood cells, which efficiently carries oxygen from the lungs to the tissues of the body. Hemoglobin also helps in the transportation of carbon dioxide and hydrogen ions back to the lungs.
(3)Function of Lenticels:-
=>It functions as a pore, providing a pathway for the direct exchange of gases between the internal tissues and atmosphere through the bark, which is otherwise impermeable to gases. The name lenticel, pronounced with an [s], derives from its lenticular (lens-like) shape.
