A-level biology videos

Drawings of plants and animal cell; functions of parts of plants and animal cells, differences between plants and animal cells. suitable for advanced level and institutions

epithelial and connective tissues, squamous, cuboidal, columnar tissue, endocrine tissue, connective tissues

Structure, Functions, and adaptations of parenchyma, collenchyma, sclerenchyma, xylem and phloem for A -level students

Diffusion, osmosis, active transport, phagocytosis and pinocytosis for A-level students

properties of enzymes, factors affecting enzymes, lock and key hypothesis, enzyme inhibitors, anabolic reactions, catabolic reactions

Aerobic respiration, anaerobic respiration, glycolysis, Krebs cycle, basal metabolic rate, fermentation

Properties, and uses of acids, bases, water, carbohydrates, lipids, proteins, and vitamins

Purpose, types and adaptations to different types of heterotrophic nutrition
digestion and adaptation of digestive canal
control of digestions

types of autotrophic nutrition, conditions necessary for photosynthesis, limiting factors of photosynthesis

30 objective revision questions in photosynthesis at A-level

classification, external structures functions and adaptations, Ecology

6 A-level paper 2 revision questions for photosynthesis

Differences between nervous and endocrine system, action potential, impulse, none or nothing law, refractory period, synapse, transmission at the synapse, neuromuscular junction, functions of the synapses.

Coordination in animals 30 objective revision questions and answers

Fully discussed questions to promote understanding

Terminologies (gene, allele, dominant gene, recessive genes, homozygous, heterozygous, back cross, test cross), monohybrid inheritance, sex determination and multiple alleles (ABO blood groups)

Well discussed 30 objectives from national exams

Well discussed structured questions from national exams

Types of skeleton, locomotion in earthworm, locomotion in insects, human skeleton, function of bones, types of muscles and their differences and joints.

definition of prokaryotic and eukaryotic cell. differences between prokaryotic and eukaryotic cells

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 of xerophytes and halophytes

Fully discussed revision questions

Fully discussed revision questions

Structured questions chosen to enable a student internalize the topics

Objective questions selected to enable a student understand the topic of sexual reproduction in plants

Selected structured question to test and aid understanding of the topic sexual reproduction in plants

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 plants, Pfr, Pr

Essay questions selected to test students understanding of reproduction in plants and also to assist student internalize the subject

Questions skillfully selected to test the subject and facilitate the learner to understand the subject

Questions skillfully selected to test and aid understanding

Questions are skillfully selected test and enhance understanding

A-level Biology
questions skillfully selected to test and aid understanding

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.

Evidences of evolution, convergent evolution, analogous structures, homologous structure, adaptive radiation, divergent evolution, pentadactyl limb, vestigial structures

Specially selected questions to test and enable understanding of the topic

Questions selected to test and facilitate understanding of the topic

Revision questions skillfully selected to test and facilitated understanding