Class 7 Exam  >  Class 7 Notes  >  Science Class 7  >  Class 7 Science: CBSE Past Year Paper - 1

Class 7 Science: CBSE Past Year Paper - 1 | Science Class 7 PDF Download

Ques 1: Fill in the blanks :- (1*5=5)
a. Amoeba digests its food in the ____________.
b. Changes in which new substances are formed are called _____________ changes.
c. Production of new individuals from the vegetative part of plant is called ___________.
d. The main excretory product in human beings is ______________
e. The bulb glows in a circuit only when the switch is in the ______________ position.

Ques 2: True or False:- (1*5=5)
a. The gall bladder temporarily stores bile.
b. Formation of manure from leaves is a physical change.
c. Anthers and filaments are two parts of pistil.
d. An electromagnet does not attract a piece of iron.
e. Chemical like chlorine and ozone are used to disinfect water.

Ques 3: Match the following:- (1*5=5)

Carbohydrate(i) a safety device to prevent short circuit.
Rose(ii) Ice and snow  
Fuse(iii) Block    the    pipe
Solid(iv) Sugar
Cooking oil or fats    (v) Cuttings


Very Short Answer Type Question (1*5=5)
Ques 4: Write the name of largest gland in our body.

Ques 5: What are the two parts of stamen?

Ques 6: Name the device used to measure the distance.

Ques 7: Name any two devices in which battery is used.

Ques 8: What are the main sources of water on earth?


Short Answer Type I (2*8=16)

Ques 9: What are ruminant animals? Given an example?

Ques 10: What is a chemical change? Give an example.

Ques 11: Write the difference between asexual and sexual mode of reproduction with example.

Ques 12: The distance between two stations is 240 Km. A train takes 4 hours to cover this distance. Calculate the speed of the train.

Ques 13: Name any two effects of electric current.

Ques 14: Explain, how groundwater is recharged?

Ques 15: What are decomposers? Name any two of them.

Ques 16: Write the function of Bar Screen in a waste water treatment plant.

Short Answer Type II (3*8=24)

Ques 17: Where is the bile produced and stored? Which component of the food does it help to digest?

Ques 18: When baking soda is mixed with lemon juice bubbles are formed with the evolution of gas. What type of change it is. Explain.

Ques 19: Why is transport of material necessary in a plant or an animal? Explain.

Ques 20: What is pollination? Explain two types of pollinations.

Ques 21: Write the difference between conductor and insulator. Give an example of each.

Ques 22: State the characteristics of the image formed by a plane mirror.

Ques 23: Explain the factors responsible for depletion of water table.

Ques 24: What is sewage? Explain why it is harmful to discharge untreated sewage into river.

Long Answer Type Question (5*4=20)

Ques 25: Draw a diagram of human excretory system and label the various parts.
For blind students (in place of diagram question)
a. Write different parts of excretory system.
b. Write the function of any three parts.

Ques 26: a. Define a straight line, circular and periodic motion.
b. Give any two examples of periodic motion.

Ques 27: a. State differences between a real and virtual image.
b. Which lens is used as reading glasses?
c. Give one use each of concave and convex mirror.

Ques 28: Explain the role of forest in maintaining the balance between oxygen and carbon dioxide in the atmosphere.

The document Class 7 Science: CBSE Past Year Paper - 1 | Science Class 7 is a part of the Class 7 Course Science Class 7.
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FAQs on Class 7 Science: CBSE Past Year Paper - 1 - Science Class 7

1. What are the main topics covered in CBSE Class 7 Science?
Ans. The main topics covered in CBSE Class 7 Science include Nutrition in Plants and Animals, Weather, Climate and Adaptations of Animals to Climate, Respiration in Organisms, Transportation in Animals and Plants, Reproduction in Plants, Acids, Bases and Salts, Physical and Chemical Changes, Motion and Time, etc.
2. How can I prepare effectively for my CBSE Class 7 Science exam?
Ans. To prepare effectively for the CBSE Class 7 Science exam, you can follow these tips: 1. Understand the concepts thoroughly by reading the textbook and solving the examples given. 2. Make a study schedule and allocate time for each topic. 3. Practice solving previous year question papers and sample papers to get familiar with the exam pattern and types of questions. 4. Take notes while studying to revise them later. 5. Solve additional practice questions from reference books or online platforms. 6. Clear your doubts by seeking help from teachers or classmates.
3. How can I improve my performance in the practical section of the CBSE Class 7 Science exam?
Ans. To improve your performance in the practical section of the CBSE Class 7 Science exam, you can follow these tips: 1. Understand the experiment procedures and concepts thoroughly. 2. Practice performing the experiments multiple times to gain confidence. 3. Take proper measurements and record observations accurately. 4. Learn how to use the laboratory equipment properly. 5. Understand the principles behind each experiment and the expected outcomes. 6. Revise the theoretical concepts related to the experiments to understand their significance.
4. Are there any recommended reference books for CBSE Class 7 Science?
Ans. Yes, some recommended reference books for CBSE Class 7 Science are: - NCERT Exemplar Problems - Together with Science - Science for Class 7 by Lakhmir Singh and Manjit Kaur - Living Science - Success with Getting Ahead in Social Science These books provide additional practice questions, explanations, and illustrations to help students understand the concepts better.
5. How can I score well in the objective type questions in the CBSE Class 7 Science exam?
Ans. To score well in the objective type questions in the CBSE Class 7 Science exam, you can follow these tips: 1. Read the question carefully and understand what is being asked. 2. Analyze each option before selecting the answer. 3. Eliminate the options that are clearly incorrect. 4. Use the process of elimination to narrow down your choices. 5. If uncertain, trust your initial instinct and go with the answer that seems most logical. 6. Practice solving objective type questions from previous year papers and sample papers to improve your speed and accuracy.
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