The structural and functional units of the Lung are…………
A) alveoli
B) bronchi
C) bronchioles
D) air spaces
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(i) The two sides of a rectangle are x units and (10 - x) units. For what value of x, the area of rectangle will be maximum? (ii) Prove that a rectang
Correct Answer - x = 5
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1. Living organism have _________ as the basic structural and functional unit.
1. Cell 2. Protoplasm 3. monosaccharides 4. Condensation reaction 5. Homeostasis
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The structural and functional units that participate in the gaseous exchange of lungs are ………
The structural and functional units that participate in the gaseous exchange of lungs are Alveoli
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The structural and functional unit of kidney is called
The structural and functional unit of kidney is called Nephron
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If the length and breadth of a rectangular sheet are √5 + √2 and √5 – √2 units, then it’s area in sq. units
Correct option is (C) 3 Area of rectangular sheet \(=(\sqrt{5}+\sqrt{2})(\sqrt{5}-\sqrt{2})\) \(=(\sqrt{5})^2-(\sqrt{2})^2\) = 5 - 2 = 3 square units
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The structural and functional unit of muscle fibres is
The correct answer is (A) sarcomere
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The structural and functional unit of eye of cockroach.
The structural and functional unit of eye of cockroach. Ommatidia
2 Answers 1 views
The area of a parallelogram whose base is ‘b’ units, height is ‘h’ units (in sq. units)
Correct option is (A) bh Area of a parallelogram = Base \(\times\) Height = bh square units
2 Answers 1 views
The area of a parallelogram whose base is ‘b’ units, height is ‘h’ units (in sq. units)
2 Answers
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Base of a coloured flag which is in the shape of triangle is 2 + √2 units and height is 2 – √2 units. Then the area of flag in square units.
Correct option is (C) 1 Area of flag \(=\frac12\times\) Base \(\times\) Height \(=\frac12\times(2+\sqrt2)\times(2-\sqrt2)\) \(=\frac{4-2}2\) = 1 square units
2 Answers 3 views