8th Class Biology Question Paper 2017 - Biology, a fundamental branch of science, plays a vital role in the academic development of students. In the 8th grade, it provides foundational knowledge about life sciences and nurtures curiosity about the natural world. This article provides a comprehensive analysis of the 8th Class Biology Question Paper 2017, including its structure, key topics, and strategies for preparation.
Class 8 Biology Question Paper – 2017
Time Allowed: 2 Hours
Maximum Marks: 80
Instructions:
- Answer all questions in sequential order.
- Neat diagrams carry marks.
- Use blue or black ink for writing answers.
Section A: Multiple Choice Questions (1 Mark Each)
1. Which of the following is a unicellular organism?
(a) Amoeba
(b) Mushroom
(c) Fern
(d) Earthworm
2. What is the powerhouse of the cell?
(a) Nucleus
(b) Mitochondria
(c) Chloroplast
(d) Ribosome
3. Photosynthesis takes place in which part of the plant?
(a) Roots
(b) Stem
(c) Leaves
(d) Flowers
4. Which blood cells help in clotting?
(a) Red Blood Cells
(b) White Blood Cells
(c) Platelets
(d) Plasma
5. The respiratory organ in fish is:
(a) Lungs
(b) Gills
(c) Skin
(d) Fins
Section B: Very Short Answer Questions (2 Marks Each)
6. Define photosynthesis and write its chemical equation.
7. Name two diseases caused by microorganisms and their causative agents.
8. What is the function of the xylem in plants?
9. Write the difference between unicellular and multicellular organisms.
10. What are antibiotics? Give two examples.
Section C: Short Answer Questions (3 Marks Each)
11. Describe the role of the nucleus in a cell.
12. Explain the process of digestion in the human stomach.
13. Write three differences between arteries and veins.
14. What is the function of the stomata in plants?
15. Describe how earthworms contribute to improving soil fertility.
Section D: Long Answer Questions (5 Marks Each)
16. Draw a neat, labeled diagram of a plant cell and explain the functions of its parts.
17. Explain the nitrogen cycle and its importance in the environment.
18. What are the adaptations seen in desert plants and animals? Give examples.
19. Discuss the harmful effects of microorganisms and the measures to control their spread.
20. Explain the human respiratory system with the help of a diagram.
Internal Choice Section (Optional Questions)
Q16 OR Q20: Draw a human respiratory system and describe the function of its main parts.
Importance of Biology in 8th Class Curriculum
Biology at the 8th-grade level introduces students to the basics of living organisms, their interactions, and environmental systems. It lays the groundwork for advanced studies in the field and emphasizes critical thinking and problem-solving skills.
Structure and Format of the Question Paper
The 8th Class Biology Question Paper typically includes:
- Objective Questions: These test factual knowledge and fundamental concepts.
- Short Answer Questions: These assess understanding and the ability to explain concepts briefly.
- Long Answer Questions: These require detailed explanations and critical thinking.
Key Topics Covered in the 2017 Biology Question Paper
The 2017 Biology Question Paper focused on the following topics:
Diversity of Living Organisms
This section included questions about classifications, characteristics, and examples of various living organisms, from unicellular microorganisms to complex animals.
Human Anatomy and Physiology
Key topics included the respiratory system, digestive system, and circulatory system, along with their functions and related diagrams.
Plant Physiology
Questions on photosynthesis, transpiration, and nutrient absorption were prominently featured.
Microorganisms and Their Role
The paper covered topics like the role of microorganisms in health, industry, and the environment.
Environmental Science
This section focused on ecosystems, conservation of resources, and the effects of pollution.
Detailed Analysis of the Question Paper Format
Types of Questions: Objective, Short Answer, Long Answer
- Objective Questions: Often true/false, multiple-choice, or fill-in-the-blanks.
- Short Answer Questions: Typically require 2–3 sentence answers.
- Long Answer Questions: Expect thorough explanations, supported by diagrams or examples.
Marks Distribution
The total marks were divided as follows:
- Objective Questions: 20 marks
- Short Answer Questions: 30 marks
- Long Answer Questions: 50 marks
Duration and Evaluation Criteria
Students were given 2 hours to complete the paper, with strict emphasis on clarity and accuracy.
Sample Questions from the 2017 Paper
Objective Questions with Answers
1. What is the powerhouse of the cell?
Answer: Mitochondria.
2. Name the process by which plants make their food.
Answer: Photosynthesis.
Short Answer Questions with Explanations
Question: Explain the difference between a plant cell and an animal cell.
Answer: A plant cell has a cell wall and chloroplasts, while an animal cell does not.
Long Answer Questions with Sample Responses
Question: Describe the process of digestion in humans.
Sample Answer: Digestion begins in the mouth where food is broken down mechanically and chemically. It continues through the esophagus, stomach, and intestines, involving enzymes and bile, leading to nutrient absorption in the small intestine.
Common Challenges Faced by Students
Difficult Topics in the 2017 Paper
Topics such as cellular biology and environmental science were found challenging due to their conceptual depth.
Time Management Issues
Many students struggled to complete the paper within the given time, emphasizing the need for practice.
How to Prepare for Similar Exams
Tips for Covering the Syllabus Effectively
- Break the syllabus into manageable sections.
- Allocate specific times for revision.
Time Management Techniques
- Practice with mock tests under timed conditions.
- Prioritize difficult sections during preparation.
Recommended Books and Resources
- NCERT Biology Textbook for Class 8.
- Additional reference books by renowned authors.
Importance of Previous Year Question Papers
Benefits of Solving Past Papers
- Familiarizes students with question patterns.
- Boosts confidence and reduces exam anxiety.
How the 2017 Question Paper Sets a Pattern for Future Exams
The 2017 paper is a benchmark for understanding recurring themes and question styles in subsequent years.
Frequently Asked Questions (FAQs)
What Topics Were Emphasized in the 2017 Biology Paper?
The paper focused heavily on human anatomy, plant physiology, and environmental science.
Were There Any Out-of-Syllabus Questions?
No, all questions were from the prescribed syllabus.
How Can I Access the Full Question Paper?
The question paper is available in school archives or online educational portals.