Category: A-level biology videos
Transport in flowering plants objective question, video
Questions selected to test and facilitate understanding Read More
DNA, RNA and protein synthesis structured questions
Questions selected to assist in understanding the topic at A-level Read More
DNA, RNA and protein synthesis objective questions
Questions selected to assist a candidate to understand the topic Read More
DNA, RNA and protein synthesis
Nucleotides, bases, evidences that DNA is the genetic material, comparison between the structure of DNA and RNA; replication, transcription, and translation Read More
Asexual reproduction and alternative generation
Advantages and disadvantages of asexual reproduction, alteration of generations in bryophytes and ferns; comparison of life cycle of moss and ferns Read More
Meiosis and mitosis revision questions
Questions set to test and aid understanding of cell division at a-level Read More
Cell divisions (meiosis and mitosis)
Stages of meiosis and mitosis and comparison between mitosis and meiosis Read More
Ecology Essay questions
Questions selected to test and enable understanding of ecology Read More
Ecology structured questions
Questions selected to test and enable understanding of the topic of ecology Read More
Ecology lesson 3 of 3
Pollution and conservation, causes of increase in carbon dioxide concentration, how to reduce carbon dioxide concentration, meaning and causes of global warming, Effects of oil ... Read More
Ecology objectives (A-level)
questions selected to assist understanding of the topic Read More
Ecology lesson 2 of 3
Population, population size, significance of population size, factors to consider when determining population size, methods of determining population size, direct counting method, sampling methods, capture-recapture ... Read More
Transport in flowering plants structured questions
Questions selected skillfully to test and aid understanding, answers are provided Read More
Transport in flowering plants objective questions
Questions skillfully selected to test and facilitate underdanding Read More
Behaviours structured questions
Questions selected to aid understanding Read More
Behaviours objective revision questions
Behaviors objective revision questions Read More
Behaviors (A- level)
Definitions, instinctive behavior ( reflex, kinesis, taxis) sign stimulus, Learned behaviors ( habituations, classical conditioning, operant conditioning, insight learning, latent learning, imprinting, displacement activity, courtship ... Read More
Ecology lesson 1 of 3
Definition, Abiotic factors (soil, climate, fire, topography), Biotic factors (parasitism, mutualism, commensalism, predation), food chains, food webs, pyramid of number, pyramid of biomass, pyramid of ... Read More
Transport in flowering plants objective questions
Questions selected to test and facilitate understanding Read More
Gaseous exchange structured revision questions
Questions selected to test and facilitate understanding Read More
Gaseous exchange objective revision questions
Questions specially selected to test and facilitate understanding Read More
Transpiration and structure of stomata
Definition, function of transpiration, adaptations of xerophytes, mesophytes, and hydrophytes; structure of stomata, mechanisms for stomata opening Read More
Transport in flowering plants
Structure and adaptations of xylem, structure and adaptations of phloem, Path taken by water in roots (the apoplast pathway, the Symplast pathway, the vacuolar pathways ... Read More
Gaseous exchange (A-level)
Need for gaseous exchange surface, adaptations of a gaseous exchange surface, special gaseous surfaces in animals, tracheal system, advantages and disadvantages of tracheal system, gaseous ... Read More
Evolution objective revision questions
Questions skillfully selected to test and facilitate understanding Read More
Evolution structured revision questions for A-level studens
questions specially selected to test and facilitate understanding of the subject Read More
Evolution Essay revision questions
specially selected to test and assist in understanding the topic Read More
Evolution (A-level biology) lesson 3 of 3
Evidences of evolution, convergent evolution, analogous structures, homologous structure, adaptive radiation, divergent evolution, pentadactyl limb, vestigial structures Read More
Evolution (A-level biology) lesson 2 of 3
Genetic pool, allele frequency, genotype frequency, genetic drift, genetic load, gene flow, Hardy-Weinberg principles and its calculations, speciation and isolation mechanisms, green revolution, artificial selection. Read More
Evolution A-level lesson 1 of 3 (A-level biology)
Definition of evolution, theories for origin of life, Lamarck and Darwin's theories of evolution, natural selection, continuous and discontinuous variations. types of selection i.e. direction, ... Read More
Transport in animals Structured questions A level biology
A-level Biology Questions skillfully selected to test and aid understanding Read More
Transport in animals objective questions @ A level biology
Questions are skillfully selected test and enhance understanding Read More
Transport in animals lesson 2 of 2 by Dr. Bbosa Science (A-level biology)
Circulatory system in man, definitions of artery and vein, differences between arteries and veins, diagram of heart, circulation through the heart, cardiac cycle, cardiac muscle, ... Read More
Transport in animals lesson 1 of 2 by Dr. Bbosa Science (A-level biology)
A-level biology Features of transport system, components of blood, adaptation of red blood cells, structure of hemoglobin, functions of hemoglobin, function of blood, oxygen dissociation ... Read More
Plant responses structured questions (A- biology)
Questions selected to test understanding of the topic Read More
Plant response objective question – A level biology
Questions skillfully selected to test the subject and facilitate the learner to understand the subject Read More
Reproduction in plants revision essay question (A-level biology)
Essay questions selected to test students understanding of reproduction in plants and also to assist student internalize the subject Read More
Plant responses (A-level biology)
tropisms, phototropism, geotropism, nastic response, tactic response, functions of auxins, functions gibberellins, function of ethene, functions cytokinins, absicics acid, photoperiodism, short day plants, long day ... Read More
Sexual reproduction in plants (Structured questions) (A-level biology)
structured questions selected to test and aid understanding of the topic sexual reproduction in plants Read More
Reproduction in plants objective questions (A-level biology)
question selected to test and promote the understanding of reproduction in plants Read More
Reproduction in animals A-level biology structured questions
https://www.youtube.com/watch?v=PxnpBxcC24E structured questions selected to help learner understand the topic. Read More
Reproduction in animals objective questions (A-level biology)
Well selected 30 objectives to help you understand and internalize the topic of reproduction in animals Read More
Sexual reproduction in plants (A-level biology)
Parts of flowers, pollen grain and ova formation, structures of mature pollen grain and ovum, pollination and fertilization, agents of pollination, advantages of sexual reproduction, ... Read More
Reproduction in animals (A-level biology)
Male and female reproductive systems, spermatogenesis, oogenesis, fertilization, advantages of internal fertilization, menstrual cycle, events in pregnancy, the function, structure, and adaptations of placenta, hormonal ... Read More
Temperature regulation in animals (A-level biology)
https://www.youtube.com/watch?v=zZF3kaW1a6c Significance of temperature regulation, types of temperature regulation, endotherms, warm blooded, ectoderms,, cold blooded, skin, responses of humans to cold and hot environment, behavioral ... Read More
Excretion lesson 2 of 2 (A-level biology)
Excretion and osmoregulation in marine invertebrates and vertebrates, excretion and osmoregulation fresh water animals and fish, excretion and osmoregulation in insects, excretion in plants, adaptations ... Read More
Excretion in man lesson 1 of 2 (A-level biology)
definition, excretory organs, excretory system in man, urine formation, osmoregulation, control of pH by kidney Read More
Homeostasis (A-level biology)
Definition of homeostasis, mechanisms of homeostasis (negative feedback and positive feedback), components of efficient negative feed back mechanism, homeostasis of glucose, role of pancreas in ... Read More
Locomotion in animals lesson 2 of 2 (A-level biology)
Biceps and triceps, stability and locomotion in tetrapod, locomotion in fish, stability in fish and how it is counteracted, locomotion in birds, adaptations of birds ... Read More
Locomotion in animals lesson 1 of 2 (A-biology)
Types of skeletons, locomotion in earthworm, locomotion in insects, types of joints, differences in types of muscles Read More
Genetic (A-level biology) structured questions
Well discussed structured questions from national exams Read More
Genetics objectives (A-level biology)
https://www.youtube.com/watch?v=32mkgCNyR3E Well discussed 30 objectives from national exams Read More
Genetics lesson 1of 2 (A-level biology)
Terminologies (gene, allele, dominant gene, recessive genes, homozygous, heterozygous, back cross, test cross), monohybrid inheritance, sex determination and multiple alleles (ABO blood groups) Read More