Our 1000+ “Biology – Class 12” (along with 1000+ “Biology – Class 11”) questions and answers focuses on all areas of Biology subject covering 200+ topics in Biology. One can read Class 11 Here. These topics are chosen from a collection of most authoritative and best reference books on Biology. One should spend 1 hour daily for 2-3 months to learn and assimilate Biology comprehensively. This way of systematic learning will prepare anyone easily towards Biology interviews, online tests, examinations and certifications.
– 1000+ Multiple Choice Questions & Answers in Biology with explanations
– Every MCQ set focuses on a specific topic in Biology Subject
Who should Practice these Biology Questions?
– Anyone wishing to sharpen their knowledge of Class 12 – Biology Subject
– Anyone preparing for school test and many other online/Offline Tests/Contests in Biology
– Anyone preparing for NEET, MBBS, AIIMS, BDS-Dental, Pharmacy & Medical Entrance Exams in Biology
– Anyone preparing for various Central board examinations in Biology namely CBSE, ICSE, IGCSE, and NIOS Board
– Anyone preparing for various State board examinations in Biology such as PUC, Intermediate exams, etc
– Anyone preparing for entrance examinations and other competitive examinations such as NTSE, Olympiad, etc
– All – High School Students and Freshers
Here’s list of Questions & Answers on Biology – Class 12 Subject covering 100+ topics:
1. Questions & Answers on Reproduction in Organisms
The section contains questions and answers on organisms reproduction, asexual reproduction types, sexual and asexual reproduction, fertilisation events, pre and post fertilisation events in sexual reproduction.
Reproduction in Organisms
Different Types of Asexual Reproduction
Pre-Fertilisation Events in Sexual Reproduction
Fertilisation Events in Sexual Reproduction
Post-Fertilisation Events in Sexual Reproduction
2. Questions on Sexual Reproduction in Flowering Plants
The section contains questions on flowering plants sexual reproduction, microsporangium and pistil structure, pollen grain structure and its properties, megasporangium and embryo sac structure, abiotic and biotic agents of pollination, pollen-pistil interaction, double fertilisation, endosperm, monocot and dicot embryo structures, seed structure, apomixis and polyembryony.
3. Questions & Answers on Human Reproduction
The section contains questions and answers on male and female reproductive system, male accessory ducts and glands, male and female external genitalia, mammary gland structure, spermatogenesis, sperm and ovary structures, oogenesis, menstrual cycle, fertilisation, implantation, parturition, lactation, pregnancy and embryonic development.
4. Questions on Reproductive Health
The section contains questions on reproductive health problems and strategies, population stabilisation, natural birth control methods, birth control barrier methods, intrauterine devices, oral and injectable contraceptives, contraception surgical methods, contraceptive methods side effects, pregnancy medical termination, infertility and assisted reproductive technologies.
5. Questions & Answers on Principles of Inheritance and Variation
The section contains questions and answers on inheritance mendels laws, one gene and two genes inheritance, punnett square, incomplete dominance and co-dominance, multiple allelism, inheritance chromosomal theory, linkage and recombination principles, polygenic inheritance, pleiotropy, sex determination, mutation, pedigree analysis, mendelian and chromosomal disorders.
6. Questions on Molecular Basis of Inheritance
The section contains questions on dna, polynucleotide chain structure, dna helix packaging, genetic material search and properties, dna replication experimental proof, transcription basics, rna types and transcription process in prokaryotes, genetic code, mutations, trna adapter molecule, translation, gene expression regulation, lac operon, human genome project, dna fingerprinting, hgp methodologies and sailent features.
Structure of a Polynucleotide Chain
Packaging of DNA Helix
The Search for Genetic Material
The Genetic Material is DNA
Properties of Genetic Material (DNA versus RNA)
The Experimental Proof of Replication of DNA
The Machinery and the Enzymes for Replication of DNA
Transcription Unit and the Gene
Types of RNA and Process of Transcription in Prokaryotes
Process of Transcription in Eukaryotes
Mutations and Genetic Code
tRNA- the Adapter Molecule
Regulation of Gene Expression
Human Genome Project
Methodologies of HGP
Salient Features of HGP
7. Questions & Answers on Evolution
The section contains questions and answers on life origin, life forms-a theory evolution, adaptive radiation, evolution evidences, biological evolution, hardy weinberg principle, evolution mechanism, plants evolution, man origin and evolution.
8. Questions on Human Health and Disease
The section contains questions on human health and diseases, bacterial and viral diseases in humans, protozoan and helminthic diseases, fungal and venereal diseases in humans, innate and acquired immunity, humoral immunity, active and passive immunity, vaccination and immunisation, allergies, autoimmunity, body immune system, aids, cancer causes and types, cancer detection and diagnosis, drugs and alcohol abuse.
9. Questions & Answers on Strategies for Enhancement in Food Production
The section contains questions and answers on animal husbandry, dairy farm and poultry farm management, animal breeding, controlled breeding experiments, apiculture, pisciculture, sericulture, animals viral and bacterial diseases, plant breeding, parasitic and protozoan diseases in animals, plant tissue culture, single cell protein, plant diseases and their controls, plant diseases caused by viruses, bacteria, fungi and nematodes.
10. Questions on Microbes in Human Welfare
The section contains questions on bioenergy, microbes, microbes in household and industrial products, sewage treatment microbes, microbes in biogas production and biocontrol agents.
11. Questions & Answers on Biotechnology Principles and Processes
The section contains questions and answers on biotechnology principles, recombinant dna technology processes, recombinant dna technology tools like restriction enzymes, cloning vectors and competent host.
12. Questions on Biotechnology and its Applications
The section contains questions on agriculture biotechnological applications, bt cotton, pest resistant plants, medicine biotechnological applications like genetically engineered insulin, gene therapy and molecular diagnosis, transgenic animals and ethical issues.
13. Questions & Answers on Organisms and Populations
The section contains questions and answers on organism and its environment, major abiotic factors, adaptations, abiotic factors responses, growth models, population attributes, growth and interactions.
14. Questions on Ecosystem
The sections covers questions on ecosystem structure and function, productivity, decomposition, energy flow, ecological pyramids and succession, hydrarch and xerarch succession, nutrient cycling, ecosystem services, carbon and phosphorus cycles.
15. Questions & Answers on Biodiversity and Conservation
The section contains questions and answers on biodiversity basics and patterns, spices number on earth, species diversity importance, biodiversity loss and causes, biodiversity conservation, in-situ and ex-situ conservations.
Number of Species on Earth and in India
Patterns of Biodiversity
Importance of Species Diversity to the Ecosystem
Loss of Biodiversity
Causes of Biodiversity Losses
In-situ and Ex-situ Conservation
16. Questions on Environmental Issues
The section contains questions on air and water pollution and its control, biomagnification, eutrophication, solid wastes, agro chemicals and its effects, radioactive wastes, greenhouse effect, global warming, stratosphere ozone depletion and deforestation.
Wish you the best in your endeavor to learn and master Biology!