CBSE Class 9 Science Tissues Assignment Set A

  Question : What is a tissue? Answer : Group of cells that are similar in structure and are organized together to achieve a particular function is called tissue.   Question : What is the utility of tissues in multicellular organisms? Answer : In multicellular organisms, the…

CBSE Class 9 Science The Fundamental Unit of Life Assignment Set A

Question. Who discovered cells and how? Answer: An English Botanist, Robert Hooke discovered cells. In 1665, he used self-designed microscope to observe cells in a cork slice. Question. Why cell is called the structural and functional unit of life? Answer: …

CBSE Class 9 Science OTBA Environment Development From Hills assignment

CBSE Class 9 Science OTBA Environment Development From Hills. Students are advised to refer to the attached assignments and practise them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and…

CBSE Class 9 Science OTBA Clean Air Shared Concern assignment

CBSE Class 9 Science OTBA Clean Air Shared Concern. Students are advised to refer to the attached assignments and practise them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the…

CBSE Class 9 Science Motion Assignment Set A

Question : An object has moved through a distance. Can it have zero displacement? If yes, support your answer with an example. Answer :  Yes,an object can have zero displacement even when it has moved through a distance.This happens when final position of the object coincides…

CBSE Class 9 Science Matter in Our Surroundings Assignment Set A

Question : Which of the following are matters? Chair, air, love, smell, hate, almonds, thought, cold, cold-drink, smell of perfume. Answer : Any things which have some weight and occupy space will come under category of matter. Chair, air, smell, almonds, cold-drink and…

CBSE Class 9 Science Force and Laws of Motion Assignment Set A

Question : Which of the following has more inertia: (a) a rubber ball and a stone of the same size? (b) a bicycle and a train? (c) a five-rupees coin and a one-rupee coin? Answer : Inertia is the measure of the mass of the body. The greater is the mass of the body; the greater…

CBSE Class 9 Science Collection of Assignments

  PHYSICS MODULES Module : 9P (01 & 02) Chapter : Motion Contents: 1. Motion in Living and Non-Living things. 2. Uniform and Non-Uniform Motion. 3. Distance Traversed and Displacement 4. Scalar and Vector Quantities. 5. Speed and velocity Learning Objectives The students…

CBSE Class 9 Science Work and Energy assignment

Question : A force of 7 N acts on an object. The displacement is, say 8 m, in the direction of the force. Let us take it that the force acts on the object through the displacement. What is the work done in this case? Answer :  When a force F acts on an object to…

CBSE Class 9 Science Why do we Fall ill Assignment

Why do we Fall ill Q 1 Write the name of the organism that causes kala-azar.Q 2 What is a disease?Q 3 Write one example of both infectious and non-infectious disease?Q 4 Which type of disease is most dangerous for the health?Q 5 What happens if the body is suffering from a…

CBSE Class 9 Science Tissues Assignment Set B

Q 1 Give atleast two locations where cartilaginous connective tissue is present in our body.Q 2 What are the other names of striated muscles?Q 3 What is middle lamella?Q 4 Name the meristematic tissue, which increases the thickness of plants.Q 5 Which tissue makes up the husk…

CBSE Class 9 Science The Fundamental Unit of Life Assignment Set B

  THE FUNDAMENTAL UNIT OF LIFE   Ques: 1. Where are chromosomes located in a cell? How are they important to us?       Ans:  Chromosomes are located in the nucleus. They carry hereditary information in the form of genes for structural and functional traits…

CBSE Class 9 Science Structure of the Atom assignment

MCQs Question : Rutherford's alpha-particle scattering experiment was responsible for the discovery of (a) Atomic nucleus (b) Electron (c) Proton (d) Neutron ► (a) Atomic nucleus   Question : Isotopes of an element have (a) the same physical properties (b)…

CBSE Class 9 Science Sound Assignment

1. Sound : Sound is a form of energy which produces a sensation of hearing in our ears.  2. Source of sound and its propagation : A source of vibration motion of an object is normally a source of sound.  3. Characteristics of the medium required for the…

CBSE Class 9 Science Natural Resources assignment

Mark (1) 1 Name the outer layer of the earth. Q 2 Write the name of two organisms, which take part in the nitrogen fixation. Q 3 Define hydrosphere. Q 4 What is atmosphere? Q 5 What is the percentage of CO2 on Venus? Q 6 Define combustion. Q 7 What is the role of ozone…