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Science Class 10th Model Test Paper: Multiple Choice Questions
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Science Class 10th Model Test Paper: Multiple Choice Questions

Created by
@EloquentMandelbrot

Questions and Answers

When lead nitrate and potassium iodide are mixed, what yellow precipitate is formed?

Lead iodide

What is the process responsible for the strong smell from mint after some days?

Oxidation

What is the pH of a neutral solution?

7

What is the ability of metals to be drawn into thin wires known as?

<p>Ductility</p> Signup and view all the answers

In which of the following is tartaric acid found?

<p>Vinegar</p> Signup and view all the answers

During the electrolytic refining of copper, what is the cathode made of?

<p>Pure copper</p> Signup and view all the answers

Which of the following is an involuntary action?

<p>Chewing</p> Signup and view all the answers

Which disease is caused due to sexual contact?

<p>Cholera</p> Signup and view all the answers

What is the human called that has XY chromosomes?

<p>Female</p> Signup and view all the answers

Which material cannot be used to make a lens?

<p>Clay</p> Signup and view all the answers

What is the mode of reproduction in Spirogyra?

<p>Regeneration</p> Signup and view all the answers

What color would the sky appear when seen from the moon?

<p>Black</p> Signup and view all the answers

What instrument is used to protect electric circuits from short-circuiting and overloading?

Signup and view all the answers

Which metal is used in making the filament of an electric bulb?

<p>Copper</p> Signup and view all the answers

Which of the following is non-biodegradable?

<p>Glass</p> Signup and view all the answers

What is the molecular formula of ozone?

<p>O5</p> Signup and view all the answers

Match the following with their correct terms:

<p>Reduction of mint smell = Oxidation Yellow precipitate from lead nitrate and potassium iodide = Lead iodide pH of a neutral solution = 7 Ability of metals to be drawn into thin wires = Ductility</p> Signup and view all the answers

Match the following with their correct terms:

<p>Tartaric acid found in = Vinegar ATP full form = Adenosine Tri-Phosphate Release of water from guard cells = Guard cell get open Mode of excretion in plants = Transpiration</p> Signup and view all the answers

Match the following with their correct terms:

<p>Part of the brain that can be divided into two hemispheres = Fore brain Electrolytic refining of copper cathode material = Pure copper Mint smell due to = Oxidation ATP molecular formula = Adenosine Tri-Phosphate</p> Signup and view all the answers

Match the following diseases with their mode of transmission:

<p>AIDS = Sexual contact Cholera = Contaminated food or water Elephant’s Foot = Radiation exposure Tuberculosis = Airborne droplets</p> Signup and view all the answers

Match the following materials with their primary usage in optics:

<p>Water = Focusing lenses Glass = Making lenses and prisms Plastic = Manufacturing eyeglasses Clay = Optical instruments</p> Signup and view all the answers

Match the following human body parts with their respective functions:

<p>Ammeter = Measuring electric current Unit of Resistance = Measuring electrical resistance Near Sightedness = Correcting vision Mirror Formula = Calculating image distance</p> Signup and view all the answers

Match the following scientific phenomena with their correct explanations:

<p>Drinking Alcohol = Ethanol Concave Lens = Diverging light 1/V+1/U=1/F = Mirror formula Electric Current = Flow of electric charge</p> Signup and view all the answers

Why should a magnesium ribbon be rubbed before burning in the air

Signup and view all the answers

Study Notes

Chemical Reactions

  • When lead nitrate and potassium iodide are mixed, a yellow precipitate of lead iodide is formed.

Biology

  • The strong smell from mint after some days is due to the process of fermentation.

Acids and Bases

  • The pH of a neutral solution is 7.

Metals

  • The ability of metals to be drawn into thin wires is known as ductility.

Food Chemistry

  • Tartaric acid is found in grapes.

Electrolysis

  • During the electrolytic refining of copper, the cathode is made of pure copper.

Human Physiology

  • An involuntary action is a reflex action.

Sexually Transmitted Diseases

  • Sexually transmitted diseases (STDs) are caused by sexual contact.

Human Genetics

  • A human with XY chromosomes is a male.

Optics

  • Wood cannot be used to make a lens.

Botany

  • The mode of reproduction in Spirogyra is fragmentation.

Astronomy

  • The sky would appear black when seen from the moon.

Electrical Circuits

  • A fuse is an instrument used to protect electric circuits from short-circuiting and overloading.

Electric Bulbs

  • Tungsten is used in making the filament of an electric bulb.

Environmental Science

  • Plastic is a non-biodegradable material.

Chemistry

  • The molecular formula of ozone is O₃.

Matching Terms

  • Various matches:
    • Lead iodide: yellow precipitate
    • Fermentation: strong smell from mint
    • pH 7: neutral solution
    • Ductility: ability to be drawn into thin wires
    • Grapes: tartaric acid
    • Pure copper: cathode in electrolytic refining
    • Reflex action: involuntary action
    • Sexual contact: STDs
    • XY chromosomes: male human
    • Wood: cannot be used to make a lens
    • Fragmentation: mode of reproduction in Spirogyra
    • Black: sky color from the moon
    • Fuse: protects electric circuits
    • Tungsten: filament material in electric bulb
    • Plastic: non-biodegradable
    • O₃: molecular formula of ozone

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Description

Test your knowledge with this model test paper for Science Class 10th. Answer multiple choice questions covering topics such as chemical reactions, pH, and more.

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