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class 12 Biology Chapter 13: Man and his Environment MCQs With Explanations

Practice class 12 Biology Chapter 13: Man and his Environment MCQs with explanations for Pakistani board exams. Includes solved objective questions, answer checking, chapter revision guidance and next chapter suggestions.

MCQs / class 12 / Biology / Chapter 13: Man and his Environment
5 MCQs

Chapter 13: Man and his Environment Objective Preparation

Use this page for direct chapter practice, answer checking and explanation review. It is available through the clean URL shown in the browser, so students can bookmark and share this exact chapter.

5Total MCQs
5With explanations
5Topics represented

Topics found: Pollution, Ozone Depletion, Forestry, Energy Resources, Environment

Man and his Environment MCQs With Explanations

Q1. The chemical waste discharged by industries is called:
Effluent refers specifically to liquid waste discharged from industrial or sewage treatment facilities into water bodies.
Q2. CFCs are primarily produced by:
CFCs were historically used as refrigerants in air conditioners and refrigerators, making them the primary source among the listed options.
Q3. Establishment of new forests where no forests existed before is called:
Afforestation refers to planting trees in areas that were not previously forested, unlike reforestation which restores existing forest cover.
Q4. About 95% of our daily energy requirement are fulfilled by:
Fossil fuels—coal, oil, and natural gas—supply approximately 95% of global energy consumption for electricity, transport, and industry.
Q5. A treasure of all types of resource essential to maintain life on earth:
The environment encompasses all natural resources—air, water, land, and biodiversity—that sustain life on Earth.

After Chapter 13: Man and his Environment, Practice Next Chapters

Once you finish these MCQs, continue with the next available chapters from Biology so your revision stays chapter-wise and complete.

Chapter 13: Man and his Environment Revision Guide

Complete the MCQs first, then review every incorrect answer against the textbook heading where that concept appears. For biology and other science subjects, pay attention to terminology, diagrams, sequence of processes, examples and differences between similar structures or functions.

This chapter page keeps the exact class, subject, chapter, question count, answer checking, explanations and follow-up chapters together, so students can revise from one focused URL instead of searching through the full book again.

class 12 Biology MCQ Preparation: Man and his Environment

This page supports Intermediate Part 2 practice in Biology. At this stage, the main purpose is consolidating advanced concepts while balancing board revision, college assessments and admission preparation. The questions available here should be used with the current textbook and the instructions issued by the learner's school or examination board.

What Biology MCQs can test

In Biology, objective questions commonly draw on biological terminology, structures, functions, process sequences, classifications, examples, comparisons and labelled diagrams. A useful answer is based on the exact wording and concept, not simply on recognising a familiar option. For this subject, learners should link each structure with its function and arrange multi-stage processes in the correct biological sequence.

Man and his Environment: focused MCQ revision

This chapter should be reviewed through its main definitions, examples, diagrams, comparisons and links with earlier Biology concepts.

Write a one-sentence reason for each corrected answer and note the textbook heading where the concept is explained.

Common mistakes for class 12 learners

In this subject, frequent errors include interchanging similar terms, skipping a process step, assigning a function to the wrong structure or relying on a diagram without reading its labels. Pay special attention to links between earlier intermediate concepts and the more advanced applications introduced in the final year. When the page marks an answer as incorrect, the next step should be to identify the mistaken idea and verify it, rather than memorising the displayed answer letter.

A practical revision routine

Use mixed recall and application questions, then revisit the chapters where formulas, processes or closely related terms are confused. Before attempting the MCQs, review key terms, process stages, structure-function relationships, classifications, examples, differences and diagram labels. Complete a manageable set without notes, check the result, and divide errors into missing knowledge, misunderstood concepts and careless reading. Revise the appropriate section before repeating the chapter.

How to review Man and his Environment after the quiz

List the questions you missed from Man and his Environment and write the textbook heading connected with each one. Explain the correct idea in your own words, then return later and answer a fresh set. This gives the chapter page a clear purpose: finding specific weaknesses in Biology rather than only collecting a score.

Accuracy and responsible use

Explanations are provided where they exist in the question bank, but educational databases can contain incomplete or mistaken material. Confirm disputed answers with an authoritative textbook or teacher. Ahmad Learning Hub provides a practice resource and does not claim that a question will appear in an examination or that every available item represents an official board question.