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Class 7 General Science – Unit Test Answers (2025-26)
School: Jay Malhar Primary School Bale
Board: Maharashtra State Board
Marks: 20
Q.1 Fill in the Blanks (Any 5)
- Plants prepare their own food by the process of photosynthesis.
- Mixing harmful substances in food is called adulteration.
- The SI unit of mass is kilogram.
- Change in position of an object is called motion.
- The curved surface of liquid is called meniscus.
- Work = Force × displacement.
Q.2 Match the Following
| Column A | Correct Match |
|---|---|
| Autotrophs | Prepare their own food |
| FSSAI | Food authority |
| Friction | Opposes motion |
| Typhoid | Food-borne disease |
Q.3 Short Answer Questions
1. What is nutrition?
Nutrition is the process by which living organisms take food and use it for energy, growth, repair, and maintenance of the body.
2. Define food adulteration.
Food adulteration is the process of adding harmful or inferior substances to food items, making them unsafe for consumption.
3. What is least count?
The least count of an instrument is the smallest measurement that can be accurately measured by that instrument.
4. When is work said to be done?
Work is said to be done when a force is applied on an object and the object moves in the direction of the force.
5. How does amoeba obtain its food?
Amoeba obtains food by phagocytosis. It surrounds the food using pseudopodia and digests it inside a food vacuole.
6. What is force?
Force is a push or pull that can change the shape, direction, speed, or position of an object.
Q.4 Long Answer Questions
1. Autotrophic and Heterotrophic Nutrition
Autotrophic Nutrition: Organisms prepare their own food using sunlight, water, carbon dioxide, and chlorophyll. This process is called photosynthesis.
Examples: Green plants, algae.
Heterotrophic Nutrition: Organisms depend on other organisms for food and cannot prepare their own food.
Examples: Humans, animals, fungi.
2. Four Methods to Maintain Food Safety at Home
- Wash hands properly before cooking and eating.
- Keep food covered to avoid flies and dust.
- Store food in clean, airtight containers.
- Cook food thoroughly to kill germs.
3. Uniform and Non-Uniform Motion
Uniform Motion: When an object covers equal distances in equal intervals of time.
Example: A car moving at constant speed.
Non-Uniform Motion: When an object covers unequal distances in equal intervals of time.
Example: A bus moving in traffic.
Q.5 Diagram-Based Question
You may draw any one of the following:
- Photosynthesis in a Leaf (with labels)
- Measuring Cylinder showing Meniscus
- Distance–Time Graph for Uniform Motion
Conclusion
This post provides complete, exam-oriented answers for Class 7 General Science Unit Test as per Maharashtra Board syllabus. Useful for students, teachers, and parents.