CBSE Class 7 Science Previous Year Question Paper 2008 Set A
This is the CBSE Class 7 Science Previous Year Question Paper from the Annual Examination held in March 2008, Set A. The paper is divided into sections with varying marks and question types. Questions 1 to 12 carry 1 mark each, requiring answers in a word or sentence. Questions 13 to 23 are worth 2 marks each, with answers expected in 2 to 3 sentences. Questions 24 to 35 carry 3 marks each, requiring answers in 4 to 5 sentences. The paper covers a range of science topics including physics, chemistry, and biology, with questions on concepts like lateral inversion, acids, respiration, plant reproduction, and circulation. Solving this board question paper provides valuable practice for students preparing for their CBSE examinations.
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Quick info
| Board | CBSE |
|---|---|
| Class | 7 |
| Subject | Science |
| Session | 2008 |
| Language | English |
| Type | Previous Year Question Paper |
| Exam type | Board Exam |
Paper pattern
The paper is divided into sections with questions carrying 1, 2, and 3 marks each, totaling 100 marks and to be completed in 3 hours.
Topics covered
Paper topics
- Lateral Inversion
- Hurricane
- Stomach Acid
- Platelets
- Heart Chambers
- Convex Lens
- Flower Fertilisation
- Land Breeze
- Wind Speed Measurement
- Neutralisation Reaction
- Carbohydrates
- Drip Irrigation
- Real vs Virtual Images
- Aquifers
- Absorption vs Assimilation
- Breathing Organs
- Acid Rain
- Aerobic Respiration
- Muscle Cramp Relief
- Arteries vs Veins
- Radiation
- Villi
- Calamine Solution
- Unisexual Flowers
- Pollination
- Seed Dispersal
- Indicators
- Conductors vs Insulators
- Blood Circulation
- Seed Dispersal by Water
Important topics
- Acid Rain
- Aerobic Respiration
- Blood Circulation
- Conductors vs Insulators
- Real vs Virtual Images
- Seed Dispersal
- Unisexual Flowers
PDF preview
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Question paper text
ANNUAL EXAMINATION MARCH - 2008
Sub: GENERAL SCIENCE Class: VII
Time: 3 Hours
Max. Marks: 100
<u>SET - A</u>
- Questions 1 to 12 carries 1 mark each. Answer them in a word or a sentence.
- Define lateral inversion. <math>1 \times 12 = 12</math>
- What is hurricane?
- Name the acid which is produced in the stomach.
- What is the function of platelets?
- Name the upper chambers of human heart.
- What is a convex lens?
- Name the part of a flower which develops into a seed after fertilisation.
- Mention the direction of cool air during land breeze.
- Name the instrument used to measure the speed of wind.
- What is neutralisation reaction?
- Name the type of Carbohydrate that can be digested by ruminants but not by humans.
- What is drip-irrigation?
- Questions 13 to 23 carries 2 marks each. Answer them in 2 to 3 sentences.
<math>2 \times 11 = 22</math>
- What are the differences between real and virtual images? (2 points).
- What is an aquifer? How is water in the aquifer available for use?
- Differentiate between absorption and assimilation.
- Name the breathing organ/s in the following organisms:
- Frog (b) Insects (c) Fish (d) Earthworm
Page 1 of 4
- What is 'acid rain'? What makes the rain acidic?
- Define aerobic respiration with the help of an equation.
- Why do we get relief from muscle cramp after a hot water bath or massage?
- Distinguish between arteries and veins.
- Define radiation. Why do we feel comfortable to wear light or white clothes in summer?
- What are 'villi'? What is their function?
- Calamine solution is applied on the skin when ant bites. Give reason.
III. Questions 24 to 35 carries 3 marks each. Answer them in 4 to 5 sentences.
24.a) What are unisexual flowers? Give one example.
<math>3 \times 12 = 36</math>
- Differentiate between self pollination and cross pollination.
25.a) Identify the diagram given below and define the process shown in it.
- Label the diagram according to the serial numbers given.
26.a) What are indicators?
- Name any three indicators and mention their colour changes in acidic medium.
- Distinguish between conductors and insulators. Give two examples each.
- Draw a labeled diagram showing the blood circulation in human beings.
29.a) How does seed dispersal benefit the plants?
- Explain briefly with an example the dispersal of seeds by water.
Page 2 of 4
Frequently asked questions
What is this document?
This is the CBSE Class 7 Science Previous Year Question Paper from the Annual Examination held in March 2008, Set A.
What is the total marks and duration for this paper?
The paper is for a maximum of 100 marks and has a duration of 3 hours.
How are the questions structured in this paper?
The paper has questions carrying 1, 2, and 3 marks each, with specific instructions on the length of answers required for each mark category.
Why is solving previous year question papers important?
Solving previous year question papers helps students understand the board exam pattern, identify important topics, and improve their time management and scoring abilities.
What science topics are covered in this paper?
The paper covers a variety of science topics including physics, chemistry, and biology, such as acids, respiration, plant reproduction, and human circulation.
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