CBSE Class 12 Biology Evolution diagrams based questions

Official CBSE Study Materials for Class 12 Biology

Review targeted academic resources with the CBSE Class 12 Biology Evolution diagrams based questions. Built according to official CBSE standards for the 2026-27 term, these downloadable Class 12 Biology study materials support effective daily practice and deeper conceptual understanding for Chapter 06 Evolution.

Advanced Resources for Biology

View or download the dedicated CBSE Class 12 Biology Evolution diagrams based questions resource below. Engaging with these advanced study guides under focused conditions ensures continuous academic progress and mastery of the 2026-27 curriculum for Chapter 06 Evolution.

CBSE Class 12 Biology Evolution diagrams based questions. There are many more useful educational material which the students can download in pdf format and use them for studies. Study material like concept maps, important and sure shot question banks, quick to learn flash cards, flow charts, mind maps, teacher notes, important formulas, past examinations question bank, important concepts taught by teachers. Students can download these useful educational material free and use them to get better marks in examinations.  Also refer to other worksheets for the same chapter and other subjects too. Use them for better understanding of the subjects.

Evolution

CBSE-CLASS-12-BIOLOGY-EVOLUTION_DIGRAMS_3

 Diagram based questions on Evolution for CBSE Class XII Biology are given below.

7.1

Miller-Urey apparatus with electrodes, spark discharge, boiling water, gases labelled A (NH3, H2O, H2), vacuum pump, condenser labelled B, and liquid

a) Label A and B
b) Who performed this experiment
c) What did he want to prove?

7.2

Placental mammals and Australian marsupials shown side by side (mole/marsupial mole, anteater/numbat, mouse/marsupial mouse, lemur/spotted cuscus, fly

a) What does this picture depict?

7.3

Forelimb bones of man, cheetah, whale and bat, each labelled

What similarity do you find among the four organisms so far as their forelimbs are concerned? Comment upon it.

7.4

Adaptive radiation of Australian marsupials radiating from a central point: Tasmanian wolf, sugar glider, tiger cat, banded anteater, marsupial mole,

a) This picture shows Adaptive radiation of marsupials of Australia. What does it mean?
b) Cite any other example of adaptive radiation.

7.5

Four beak/head drawings of Darwin's finches from the Galapagos Islands showing different beak shapes

This is Darwin's observation in the Galapagos island. What did he observe?

7.6

Three types of natural selection shown as bell-curve graphs labelled Mean, Conserved, Eliminated and Conserved by selection, for types 1, 2 and 3 with

The diagram shows types of Natural Selection. Study the diagram and write the types 1 to 3.

7.7

Series of drawings of giraffes over time showing progressively longer necks reaching higher leaves on trees

Study the diagram and comment upon the concept of evolution.

7.8

Two circles of beetles; in the left group all beetles are dark brown, a few lighter beetles are shown outside, and in the right group the beetles show

Study and explain this diagram.

7.9

Genetic crosses of green and brown beetles across first and second generations with DNA-strand percentages 75% and 25% in the first generation and 71%

What conclusion can you draw from this diagram?

Biology Class 12 Exam Resources: Chapter 06 Evolution

Core Study Kit: Class 12 Biology Chapter 06 Evolution

Access comprehensive study material for Chapter 06 Evolution, including revision notes, concept maps, and high-probability questions. These resources are designed in alignment with the latest 2026 CBSE syllabus for Class 12 Biology to support effective exam preparation.

NCERT-Aligned Solutions for Chapter 06 Evolution

Each resource draws directly from authorized textbooks to maintain academic accuracy. Evaluating solved examples allows Class 12 students to master the formal presentation and answer-writing standards expected in upcoming school exams.

Next Steps in Your Exam Preparation

Maximize your grade potential by utilizing Class 12 Biology practice papers in tandem with these structured notes. All printable assignments and interactive mock tests on our platform are updated for the 2026 session and available free of charge.

FAQs

What is included in the advanced study material for Class 12 Biology Chapter 06 Evolution?

Our advanced study package for Chapter 06 Evolution includes detailed concepts, diagrams, Mind Maps, and explanation of complex topics to ensure Class 12 students learn as per syllabus for 2026 exams.

How do Mind Maps for Biology Chapter 06 Evolution help in revision?

The Mind Maps provided for Chapter 06 Evolution act as visual anchors which will help faster recall during high-pressure exams.

Are these Biology resources suitable for both classroom teaching and self-study?

Yes, teachers use our Class 12 Biology resources for lesson planning as they are in simple language and have lot of solved examples.

Is this advanced study material for Chapter 06 Evolution free to download in PDF?

Yes, You can download the complete, mobile-friendly PDF of the Biology Chapter 06 Evolution advanced resources for free.

Does this material cover rationalized content for the 2026-27 CBSE session?

Yes, our subject matter experts have updated the Chapter 06 Evolution material to align with the rationalized NCERT textbooks and have removed deleted topics and added new competency-based questions.