---
title: CBSE Class 12 Biology Prep with an AI Tutor | Astra AI
description: "CBSE Class 12 Biology prep: 246 practice questions across 12 topics, reproduction to ecology, with an AI tutor. First topic free."
url: https://astra-ai.co/en-IN/final-exams/cbse-class-12-biology/
locale: en-IN
type: official-exam
keywords:
  - cbse class 12 biology
  - cbse class 12 biology
  - class 12 biology practice
  - cbse biology 044
published: 2026-10-13T09:55:09.755Z
updated: 2026-10-13T09:55:09.755Z
alternates:
  en-IN: https://astra-ai.co/en-IN/final-exams/cbse-class-12-biology/
---

# CBSE Class 12 Biology

> CBSE Class 12 Biology prep: reproduction, genetics and evolution, biology and human welfare and biotechnology and ecology. You practice topic by topic with an AI tutor that explains every answer.

CBSE Class 12 Biology

Practice topic by topic, with every answer explained. The first topic is free, and every other topic is included in Astra AI Sigma.

## Prepare for the CBSE Class 12 Biology with your personal AI tutor

[Try it free](https://app.astra-ai.co/en-US/join/R2kBB3-TIgMoTXsjmwJzt/exam-preps)[See how it works](#how-it-works)

On the CBSE Class 12 Biology you score when you understand what the question is really asking. The questions are grouped by topic, and the tutor shows you how to approach each one.

CBSE Class 12 Biology prep in numbers

## Understand it. Don’t just memorize it.

Practice questions

Topics in the prep

Topic free

The main content areas of the CBSE Class 12 Biology.

## What  does the prep cover?

Reproduction

Sexual reproduction in plants and humans and reproductive health.

## Reproduction covered.

Genetics and evolution

Inheritance, molecular basis and evolution.

## Genetics and evolution made clear.

Biology and human welfare

Health, disease and microbes.

## Biology step by step.

Biotechnology and ecology

Biotech principles, organisms and ecosystems.

## Biotechnology with practice.

You answer questions grouped by the topics of the CBSE Class 12 Biology and see right away where you stand.

## Practice until  it sticks.

You answer a question and get feedback right away. If you miss it, you see where it went wrong and how to approach it next time.

## Questions with instant feedback.

[Try it free](https://app.astra-ai.co/en-US/join/R2kBB3-TIgMoTXsjmwJzt/exam-preps)

Not sure how to solve a dihybrid cross? Just ask. The tutor works through it with you.

## Stuck? Ask the tutor.

When you want to know where you stand, take a mock exam and see which topics still need work.

## A mock exam, before the real one.

A little every day beats a whole weekend of cramming right before the exam. You can see your progress topic by topic.

## A little every day, without the stress.

From topic to real understanding, in three steps.

## How does the prep work?

Start with the one that worries you most, or go in order.Work through questions on that topic and see right away what you got right and what you missed.Your personal AI tutor explains every answer and tracks your progress topic by topic.

You try the first topic with a free Astra AI account. The other topics unlock with Astra AI Sigma.

## The first topic is free

[Try it free](https://app.astra-ai.co/en-US/join/R2kBB3-TIgMoTXsjmwJzt/exam-preps)

## Frequently asked questions

Who is the CBSE Class 12 Biology prep for?

For Class 12 students preparing for the CBSE board exam in Biology (044).

What does the prep cover?

The prep covers the main content areas of the CBSE Class 12 Biology: reproduction (sexual reproduction in plants and humans and reproductive health); genetics and evolution (inheritance, molecular basis and evolution); biology and human welfare (health, disease and microbes); biotechnology and ecology (biotech principles, organisms and ecosystems).

How are the questions organized?

They are grouped by topic: 246 questions across 12 topics, so you can work through the whole exam one area at a time.

What can I try for free?

You try the first topic with a free Astra AI account. If you want to keep going with the other topics, you unlock them with Astra AI Sigma.

Does the tutor just give me the right answer?

No. The tutor explains why an answer is right or wrong and helps you solve the next similar question on your own.

What is included in Astra AI Sigma?

Astra AI Sigma gives you every official exam prep in the app, such as [IB Math](/final-exams/ib-math/), plus everything in Astra AI Plus.

[Try it free](https://app.astra-ai.co/en-US/join/R2kBB3-TIgMoTXsjmwJzt/exam-preps)

Try it free