New Exam Prep
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🎯 Exam Preparation Kit
New Exam Prep
English 23 leveled MCQs Free
Shared by a Veda learner · Generated with Veda AI
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1
What you'll study, topic by topic
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Sample questions with model answers
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5 marks Long answer
Explain the structure of a nephron.
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A nephron consists of a renal corpuscle (glomerulus and Bowman's capsule) and a renal tubule (proximal tubule, loop of Henle, distal tubule).
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5 marks Long answer
Which signals will get disrupted in case of a spinal cord injury?
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Motor and sensory signals between the brain and body parts will be disrupted.
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5 marks Long answer
Why are some patients of diabetes treated by giving injections of insulin?
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Insulin helps regulate blood sugar levels in patients who cannot produce enough insulin.
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5 marks Long answer
State the uses of concave mirror.
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Concave mirrors are used in reflectors, telescopes, and shaving mirrors due to their ability to converge light.
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5 marks Long answer
What are the problems caused by the non-biodegradable wastes that we generate?
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Non-biodegradable wastes lead to pollution, harm wildlife, and contribute to landfill overflow.
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4 marks Medium answer
Write differences between: Biodegradable waste and Non Biodegradable waste.
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Biodegradable waste decomposes naturally; non-biodegradable waste does not.
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3 marks Medium answer
Balance the following chemical equations: (a) NaOH + H2SO4 → Na2SO4 + H2O
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2 NaOH + H2SO4 → Na2SO4 + 2 H2O
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3 marks Medium answer
Balance the following chemical equations: (b) NaCl + AgNO3 → AgCl + NaNO3
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NaCl + AgNO3 → AgCl + NaNO3 (already balanced)
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3 marks Medium answer
What is meant by olfactory indicator? Give examples.
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Olfactory indicators are substances that change smell in acidic or basic solutions; examples include onion and vanilla.
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3 marks Medium answer
What is an alloy? Give an example.
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An alloy is a mixture of two or more metals; an example is bronze.
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3 marks Medium answer
Give reason: Platinum, gold and silver are used to make jewellery.
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They are precious metals, resistant to corrosion, and have aesthetic appeal.
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3 marks Medium answer
(b) Find the power of a concave lens of focal length 2m.
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Power = -0.5 dioptres.
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3 marks Medium answer
What is scattering of light? Write two examples.
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Scattering of light is the redirection of light rays; examples include the blue sky and red sunsets.
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2 marks Short answer
Which metals will melt, if you keep them on your palm?
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Metals like gallium and indium will melt on the palm.
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2 marks Short answer
On which part of cell Aerobic and Anaerobic respiration take place?
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Aerobic respiration occurs in the mitochondria; anaerobic occurs in the cytoplasm.
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2 marks Short answer
State the spherical mirror formula.
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The spherical mirror formula is \( rac{1}{f} = rac{1}{u} + rac{1}{v} \).
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2 marks Short answer
What are light sensitive cells?
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Light sensitive cells are photoreceptors like rods and cones in the retina.
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2 marks Short answer
Match the following: Growth hormone
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Pituitary gland
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2 marks Short answer
Match the following: Estrogen
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Ovary
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2 marks Short answer
Match the following: Second trophic level
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Primary consumers
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2 marks Short answer
Match the following: Third trophic level
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Secondary consumers
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2 marks Short answer
Why should a magnesium ribbon be cleaned before burning in air?
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To remove the oxide layer that prevents burning.
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2 marks Short answer
(a) Define 1 dioptre of power of a lens.
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1 dioptre is the power of a lens whose focal length is 1 meter.
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