9th Class Physics: Motion and Its Equations
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Questions and Answers

What is the topic of the detailed one-shot by Shailendra Pandey Sir?

Motion

Equation of ______ and Displacement are covered under which topic?

Distance

What is the topic of Topic 2 in the content?

Motion

What is covered under Topic 5 in the content?

<p>Circular Motion</p> Signup and view all the answers

What does the content mention in Topic 3?

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

In which of the following cell organelles functions both as an intercellular transport system and as a manufacturing surface?

<p>Endoplasmic Reticulum</p> Signup and view all the answers

Which scientist coined the term 'cell'?

<p>Robert Hooke</p> Signup and view all the answers

What is a hypotonic solution?

<p>A solution having solute concentration lower than</p> Signup and view all the answers

What is endocytosis?

<p>Endocytosis is the ingestion or engulfment of food and other material by folding of the plasma membrane.</p> Signup and view all the answers

Chromosome are made up of? ____

<p>DNA &amp; Protein</p> Signup and view all the answers

All plants and animals are composed of cells. Cell is the basic unit of life.

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

Name different plant parts in which chromoplast, chloroplast, and leucoplast are present.

<p>Chromoplasts are present in flowers, fruits, or any other colored part of the plant; Chloroplasts are present in leaves and stem of the plant; Leucoplasts are present anywhere in the plant as they are colorless and store food.</p> Signup and view all the answers

What is active transport? Differentiate between active and passive transport.

<p>Active transport involves moving molecules uphill against the concentration gradient. It requires energy in the form of ATP molecules. Passive transport involves moving molecules along the concentration gradient without requiring energy.</p> Signup and view all the answers

Explain what cytosol and cytoskeleton are.

<p>Cytosol is the semifluid part of the cell cytoplasm embedded between cell organelles. Cytoskeleton is a network of protein fibers providing cell support.</p> Signup and view all the answers

Study Notes

Motion Class 9th One Shot Series

  • The series covers topics related to motion in class 9th.
  • There are five topics in the series.

Topic Breakdown

  • Topic 1: Equation of Motion
  • Topic 2: Distance and Displacement, Motion, and Velocity
  • Topic 3: Acceleration
  • Topic 4: (Not specified)
  • Topic 5: Circular Motion

Cell Structure and Functions

  • Endoplasmic Reticulum (ER) functions as both an intercellular transport system and a manufacturing surface.
  • ER provides a framework for the organelles.

Characteristics of Cells

  • Cells are the basic units of life.
  • All plants and animals are composed of cells.
  • A cell is a building unit of an organism.

Organelles

  • Lysosomes serve as an intracellular digestive system and are also known as digestive bags or suicide bags of the cell.
  • Mitochondria are present in bacteria and the red blood cells of mammals, and synthesize energy-rich compounds (ATP), making them the powerhouses of the cell.
  • Mitochondria are found in both bacteria and the red blood cells of mammals.
  • Chromoplasts are present in flowers, fruits, or any other colored part of the plant (other than green part).
  • Chloroplasts are present in leaves and stem of plant (green part).
  • Leucoplasts are present anywhere in plant as they are colorless and store food.

Cell Transport

  • Endocytosis is the ingestion or engulfment of food and other material by folding of the plasma membrane, as seen in Amoeba.
  • Active transport is the process in which molecules are moved uphill against the concentration gradient, requiring energy.
  • Passive transport involves movement of molecules along the concentration gradient, requiring no energy.

Cellular Components

  • Chromosomes are made up of DNA and Protein.
  • Cytosol is the semifluid part of the cell cytoplasm which is embedded in between cell organelles.
  • Cytoskeleton is a network of protein fibers present in the cell, providing a supporting framework for the organelles.

Cell Division

  • The phenomenon where cytoplasm shrinks in a hypertonic medium is called Plasmolysis.

History of Cell Discovery

  • Robert Hooke coined the term "cell".

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Description

This quiz covers topics related to motion, including distance, displacement, velocity, acceleration, and circular motion. It's a comprehensive assessment of a student's understanding of these concepts.

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