CBSE Class 8 Science

  • CBSE Class 8 Science Cell and Tissue Notes Set B

    INTRODUCTION   A cell is the structural and functional unit of life. It is the building block of which all living organisms are made, and the smallest unit of life capable of all the living functions. It is defined as a mass of protoplasm bounded by a plasma membrane. Cell vary in size. Most cells...

  • CBSE Class 8 Science Cell and Tissue Notes Set A

    INTRODUCTION A cell is the structural and functional unit of life. It is the building block of which all living organisms are made, and the smallest unit of life capable of all the living functions. It is defined as a mass of protoplasm bounded by a plasma membrane. Cell vary in size. Most cells...

  • CBSE Class 8 Science Force MCQs Set B

    1. Force is a : (A) Vector quantity (B) Scalar quantity (C) Both (A) & (B) (D) None of these   2. When an object undergoes acceleraton: (A) Its speed always increases (B) Its velocity always increases (C) It always falls towards the earth (D) A force always acts on it   3. External forcees are...

  • CBSE Class 8 Science Force MCQs Set A

    1. Which of the following is the action-at-distance force ? (A) muscular force (B) frictional force (C) magnetic force (D) mechanical force   2. The force exerted by one object on another by virtue of their masses is (A) magnetic force (B) electrostatic force (C) gravitational force (D) frictional...

  • CBSE Class 8 Science Cell and Tissue MCQs Set D

    A.  Fill in the blanks 1. Cell wall is found only in ______ cells. 2. Ribosomes are located on the surface of _____ 3. All the components of a cell including the cell membrae is called _____ 4. A true nucleus is absent in bacteria and ______ 5. Two types of nucleic acids are ______and ________...

CBSE Class 8 Science Cell and Tissue Notes Set B

INTRODUCTION
 
A cell is the structural and functional unit of life. It is the building block of which all living organisms are made, and the smallest unit of life capable of all the living functions. It is defined as a mass of protoplasm bounded by a plasma membrane.

 


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CBSE Class 8 Science Cell and Tissue Notes Set A

INTRODUCTION

A cell is the structural and functional unit of life. It is the building block of which all living organisms are made, and the smallest unit of life capable of all the living functions. It is defined as a mass of protoplasm bounded by a plasma membrane.

 


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CBSE Class 8 Science Force MCQs Set B

1. Force is a :
(A) Vector quantity
(B) Scalar quantity
(C) Both (A) & (B)
(D) None of these
 
2. When an object undergoes acceleraton:
(A) Its speed always increases
(B) Its velocity always increases
(C) It always falls towards the earth
(D) A force always acts on it
 
3. External forcees are:
(A) Always balanced
(B) Never balanced
(C) May or may not be balanced

 


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CBSE Class 8 Science Force MCQs Set A

1. Which of the following is the action-at-distance force ?
(A) muscular force (B) frictional force
(C) magnetic force (D) mechanical force
 
2. The force exerted by one object on another by virtue of their masses is
(A) magnetic force (B) electrostatic force
(C) gravitational force (D) frictional force
 
3. The standard unit of force is
(A) metre/second (B) newton
(C) metre/second2 (D) gram-weight
 

 


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CBSE Class 8 Science Cell and Tissue MCQs Set D

A.  Fill in the blanks

1. Cell wall is found only in ______ cells.
2. Ribosomes are located on the surface of _____
3. All the components of a cell including the cell membrae is called _____
4. A true nucleus is absent in bacteria and ______
5. Two types of nucleic acids are ______and ________.
 
 
B. True & False type questions.
 
6. All living organisms consists of cells.

 


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CBSE Class 8 Science Cell and Tissue MCQs Set C

1. Cheek cells are
(A) epithelial cells (B) epidermal cells
(C) vascular cells (D) guard cells
 
2. The cell wall in plant cells is made up of
(A) Proteins (B) Facts
(C) Plasma (D) Cellulose
 
3. Blood is a type of
(A) Epithelial tissue
(B) Connective tissue
(C) Nervous tissue
(D) Muscular tissue
 
4. The brain and spinal cord are made up of

 


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CBSE Class 8 Science Cell and Tissue MCQs Set B

1. Centriole is associated with –
(A) DNA synthesis (B) Reproduction
(C) Spindle formation (D) Respiration
 
2. The cell organelle associated with cell secretion is
(A) Plastids (B) Mitochondria
(C) Golgi apparatus (D) Nucleolus
 
3. Which of the following is an inclusion?
(A) Mitochondrion (B) Lysosome
(C) Golgi complex (D) Starch grain
 

 


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CBSE Class 8 Science Cell and Tissue MCQs Set A

Q.1 Centriole is associated with –
(A) DNA synthesis
(B) Reproduction
(C) Spindle formation
(D) Respiration
 
Q.2 The cell organelle associated with cell secretion is
(A) Plastids (B) Mitochondria
(C) Golgi apparatus (D) Nucleolus
 
Q.3 Which of the following is an inclusion?
(A) Mitochondrion (B) Lysosome
(C) Golgi complex (D) Starch grain
 

 


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CBSE Class 8 Science Force Notes Set A

FORCE

 


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CBSE Class 8 Science Combustion and Flame Chapter Notes

COMBUSTION & FLAME

 


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