Class 10 Science Chapter 5: Life Process — MCQ Important Questions
Practice Life Process MCQ important questions and mock-test sets for CBSE revision.
Topic-wise important and practice questions
Review question distribution across chapter topics for MCQs.
| Topic | MCQ |
|---|---|
| Experimental Evidence for Photosynthesis | 5 |
| Blood Vessels, Blood Pressure, Platelets and Lymph | 5 |
| Human Heart and Double Circulation | 5 |
| Nephron, Selective Reabsorption and Urine Regulation | 4 |
| Dialysis and Excretion in Plants | 4 |
| Aerobic and Anaerobic Respiration | 5 |
| Aquatic and Terrestrial Respiration | 4 |
| Digestion in the Small Intestine | 4 |
| Heterotrophic Strategies and Nutrition in Unicellular Organisms | 4 |
| Human Digestion in the Mouth and Peristalsis | 5 |
| Human Respiratory System and Alveoli | 4 |
| Life Processes and Molecular Movements | 4 |
| Plant Transport: Xylem and Phloem | 5 |
| Stomata and Guard Cells | 4 |
| Autotrophic and Heterotrophic Nutrition | 4 |
| Photosynthesis and Raw Materials | 3 |
| Transport of Oxygen and Carbon Dioxide in Blood | 3 |
| Blood Components and Their Functions | 3 |
| Digestion in the Stomach | 3 |
| Phloem Translocation | 3 |
| Need for Transport in Multicellular Organisms | 3 |
| Villi, Absorption and Large Intestine | 3 |
| Xylem Transport, Root Pressure and Transpiration | 5 |
| Glucose, Pyruvate and ATP | 4 |
| Human Excretory System | 4 |
MCQ Preparation & Exam Strategy
Multiple Choice Questions (MCQs) for Class 10 Science Life Process test conceptual clarity, quick elimination of distractors, and rapid application of fundamental definitions.
- Read each question stem carefully before glancing at options to avoid falling for tempting distractors.
- Use the elimination strategy: immediately rule out options that violate core scientific or mathematical rules.
- Watch out for qualifiers like "always", "never", "except", and "not true".
- Review the explanation after each question to reinforce foundational concepts for CBSE examinations.
Sample Questions
Q1. Which of the following statements best describes the primary concept in Life Process?
- It follows the standard conservation laws outlined in the NCERT syllabus.
- It applies only under non-standard laboratory conditions.
- It contradicts foundational principles established in earlier chapters.
- It depends entirely on external pressure without physical basis.
Correct Answer: It follows the standard conservation laws outlined in the NCERT syllabus.
Explanation: Under CBSE and NCERT guidelines, fundamental principles in Life Process strictly adhere to standard conservation and governing laws.
Q2. In the study of Life Process, identifying key variables is critical because:
- Variables help determine the systematic outcome and relationship between quantities.
- Formulas cannot be written without arbitrary assumptions.
- Examiners only award marks for memorized tables.
- Units cancel out automatically in every scenario.
Correct Answer: Variables help determine the systematic outcome and relationship between quantities.
Explanation: Establishing independent and dependent variables is the standard scientific methodology for analyzing concepts in this chapter.
Q3. What is the standard approach to solving numerical problems related to Life Process?
- Write given values with units, state the relevant formula, and calculate step-by-step.
- Estimate the final figure directly without intermediate calculations.
- Ignore unit conversions between standard and derived units.
- Rely solely on previous year question choices.
Correct Answer: Write given values with units, state the relevant formula, and calculate step-by-step.
Explanation: Step-by-step calculation with units ensures full credit according to CBSE marking schemes.