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CBSE Practise Paper for Class 9 Science (Available) - Check CBSE Practise Paper for Class 9 Science Pdf here

Geetha | Updated: Sep 26, 2020, 19:24 IST

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CBSE Practise Paper for Class 9 Science (Available) - Check CBSE Practise Paper for Class 9 Science Pdf here
CBSE Practise Paper for Class 9 Science - CBSE Practise Paper for Class 9 Science is provided in the article. The sample questions of CBSE class 9 science provides information on the types of questions in the exams. Students can take an idea of real question paper pattern along with the marking scheme. It will help them in analyzing the exam preparation level. CBSE Practise Paper for Class 9 Science helps the students to prepare and practise well for the exams. Download the CBSE Practise Paper for Class 9 Science in the article below.


CBSE Practise Paper for Class 9 Science (Available) - Check CBSE Practise Paper for Class 9 Science Pdf here

CBSE Practise Paper for Class 9 Science Available

New Update: CBSE Practise Paper for Class 9 Science: CBSE solved practise papers 2019 for class 9 science is provided on this page. Students can make better use of these questions for preparing their half-yearly examinations. Preparing many questions and sample papers would help you to increase your ability to score well in the exams. The questions are based on the new pattern as laid out by the CBSE board. The below-given sample questions have more objective type questions so that students can score easily in the forthcoming exams. The sample papers also include answers, fill in the blanks, assertion and reason type questions.

Check CBSE Solved Practise Paper for Science

CBSE Solved Practise Paper for Science - Question and Answers

Question :

When heat is constantly supplied by a burner to boiling water, then the temperature of the vapourisation

  1. Rises very slowly
  2. Rises rapidly until steam is produced
  3. First rises and then becomes constant
  4. Does not rise at all

Answer : D

Question :

Among the following statements which one is incorrect?

  1. Golgi apparatus is involved with the formation of lysosomes
  2. Nucleus, mitochondria and plastid have DNA, hence they are able to make their own structural proteins
  3. Lysosomes are called the suicide bags as they eat up their own cells
  4. The cytoplasm is called protoplasm

Answer : D

Question :

The plant body not differentiated into root, stem and leaves is termed as

  1. Thallus
  2. Mycelium
  3. Hyphae
  4. Herb

Answer: A

Question:

  1. When we open the cap of a cola drink (or any carbonated beverage), why does excess of bubbles come out?
  2. What are the physical states of the dispersed phase and dispersion medium of a soft drink?

Answer:

  1. A cola (carbonated) beverage is produced by dissolving carbon dioxide in the drink solution under pressure. Increase in pressure increases the solubility of gases. Therefore, more carbon dioxide dissolves at higher pressure. When this pressure is suddenly released by removing the cap of the bottle, carbon dioxide is less soluble, and it comes out as bubbles from the solution. 
  2. Dispersed phase: Gas (carbon dioxide gas)

Dispersed medium: Liquid (water)

Question:

  1. Define the term scintillations?
  2. Write postulates of Rutherford’s Nuclear Model of the atom?

Answer:

  1. Scintillations are bright flashes produced through the a-particles in Rutherford model of an atom. When these particles are passed through a slit and strike against the gold foil, they get scattered and produce bright flashes known as scintillations.
  2. The main postulates of Rutherford’s Nuclear Model of an atom are as follows:
    1. An atom is made up of two parts, the nucleus and extranuclear part. The nucleus is the centre of the atom with a positive charge. Extranuclear part means the space around the nucleus in which the electrons are distributed.
    2. The whole mass of the atom is located in the nucleus. Since the electrons have negligible mass, the mass of the atom is mainly due to protons.
    3. The electrons revolve around the nucleus in well-defined orbits.
    4. An atom is electrically neutral because the number of protons and electrons is equal. 
    5. Most of the atom is empty space.

 

 

 

Tags: CBSE Practise Paper for Class 9,CBSE Practise Paper for Class 9 Sample Paper 2021, CBSE Practise Paper for Class 9 Sample Paper, CBSE Practise Paper for Class 9 2021 Sample Paper, Sample Paper of CBSE Practise Paper for Class 9 2021

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