Biology MCQs: Frequently Asked Multiple Choice Questions, Explanation

Content Writer-SME

NEET MCQ on Biology covers all the chapters of CBSE class 11 and class 12 biology books. We have provided the multiple choice questions (mcq) links for all the updated chapters of class 11 and 12 through which students can easily check the topics explore as per the weightage in their respective exams. There are many branches of biology but the main focus area of biology class 11 and 12 books are: Microbiology, Anatomy & Physiology, Biotechnology, Genetics, Botany, Zoology, Molecular Biology, Ecology, Biochemistry, and Developmental Biology.

Branches of Biology

Main Branches of Biology

This article covers multiple choice questions for all the updated topics of biology subject as per 2023-2024 (Class 11th to 12th).

Table of Contents

Class 12 Biology MCQs
Class 11 Biology MCQs
Biology Related Links and Important Study Guides

Class 12 Biology Multiple Choice Questions

Class 12 Biology MCQs include several important concepts like Reproduction, Evolution, Food Production, Inheritance, Biotechnology, Ecosystem, biodiversity, etc.

Important MCQs Class 12 Biology

Class 11 Biology Multiple Choice Questions

Important topics covered in Class 11 Biology MCQs include The Living World, Biological Classification, Plant Kingdom, Animal Kingdom, Morphology of Flowering Plants, Anatomy of Flowering Plants, Structural Organisation in Animals, among others. There are a total of 22 Chapters included in Class 11 Biology.

Important MCQs Class 11 Biology

MCQ on Mollusca
MCQ on Animal Morphology
MCQ on Biological Classification
MCQ on Biomolecules
MCQ on Body Fluids And Circulation
MCQ on Breathing And Exchange Of Gases
MCQ on Cell Biology
MCQ on Cell Cycle And Cell Division
MCQ on Excretory Products And Their Elimination
MCQ on Food Microbiology
MCQ on Locomotion And Movement
MCQ on Photosynthesis
MCQs On Plant Kingdom
MCQ on Mineral Nutrition
MCQ on Molecular Biology
MCQ on Neural Control And Coordination
MCQ on Plant Growth And Development
MCQ on Plant Morphology
MCQ on Respiration In Plants
MCQ on Structural Organisation In Animals
MCQ on Transport In Plants
MCQ on Human Physiology
MCQs on Respiratory System
MCQ on Morphology of Flowering Plants
MCQ on Plant Tissue Culture
MCQ on Living World
MCQ on Cell Signaling
MCQ on Erythropoietin

NEET Exam Important Details

NEET is a national eligibilty cum entrance test conducted every year for the admission to medical colleges. The syllabus for exam is categorized into three main subjects: Physics, Chemistry, and Biology. The NEET exam is of 3 hours and contain 180 questions each of 4 marks. Biology is the most scoring subject among all three. Students who prepare smartly and focus on main chapters of biology and practice mcq on biology books can score good marks.

In biology, students study various life processes and learn how different organisms meet the challenges of living in their environment. Major biological concepts for student focus include the relationship between structure and function and change over time. Also, students’ experience in biology supports their developing environmental literacy.

CBSE CLASS XII Related Questions

1.
Study the given molecular structure of double-stranded polynucleotide chain of DNA and answer the questions that follow.

(a) How many phosphodiester bonds are present in the given double-stranded polynucleotide chain?
(b) How many base pairs are there in each helical turn of double helix structure of DNA? Also write the distance between a base pair in a helix.
(c) In addition to H-bonds, what confers additional stability to the helical structure of DNA?
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2.
Answer the following questions:
1. State what do you understand by “MALT”? Where is it located inside our body?
2. Explain cytokine barriers.
3. Name the diagnostic test for AIDS. On what principle does it work?
4. Bone marrow and thymus play an important role in human immune system. Explain how are they able to achieve this.
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3.
Describe the structure and working of a sparged stirred-tank bioreactor.
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4.
Enlist three advantages of genetically modified plants.
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5.
The following question is based on pollination. Study the figures carefully and answer the questions that follow.
- Give the scientific terms for the processes taking place in Figures A and B respectively.
- Mention two conditions necessary for the process occurring in Figure B.
- - [(i)] State one advantage and one disadvantage of the process occurring in Figure B.
    OR
  - [(ii)] Name one plant where, in some flowers only, the process in Figure B takes place and give the reason responsible for it.
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6.
If Meselson and Stahl's experiment is continued for 80 minutes (till III generation), what would be the ratio of DNA containing N$^{15}$/N$^{15}$ : N$^{15}$/N$^{14}$ : N$^{14}$/N$^{14}$ in the medium?
- 1 : 1 : 0
- 1 : 1 : 3
- 0 : 1 : 8
- 1 : 4 : 0
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