Tag: Bbosa Science
UACE S101 General Paper section B: Logic Quiz 21
Study the table and answer the questions below The table below shows the number of students in a class whose interest in various sport differ ... Read More
Flushing of ewes
Flushing is the practice of providing extra nutrition (usually energy) to ewes/does prior to and during the early part of the breeding season. Flushing increases weight gain ... Read More
Digestibility of feed
Digestibility is the proportion of the feed absorbed by the animal’s body or the difference between the amount of feed ingested and amount of ... Read More
Block mountain
Block mountain is a mountain formed by the uplift of blocks of the earth's crust or Block mountain is an upland bordered by fault scarps ... Read More
What are the benefits of imprinting behaviours in animals?
Imprinting enable a young animal to acquire rapidly skill possessed by the parents It also enables a young animal to closely follow its parents which ... Read More
Formation of ethers from alcohols
Please Subscribe to promote this website. Subscription is free Share with a friend Your comment is valuable Thank you so much Read More
Uses of water to the animals
Uses of water to the animals A medium of transport Evaporation cools the animal Lubricates joints, eyes, lungs Constituent of protecting fluids such as tears, ... Read More
Differences between mitosis and meiosis
Differences between mitosis and meiosis Mitosis meiosis 1. Homologous chromosomes remain separate Homologous chromosomes pair up 2 There no crossing over Crossing over occurs ... Read More
Classification of fungi
Classes of fungi Classification Phylum: Zygomycota Phylum: Ascomycota Phylum: Basidiomycota No septa in hyphae; large branched mycelium formed Septa in hyphae Septa in hyphae, ... Read More
O level physics curved mirrors or concave and convex mirrors
CURVED MIRRORS Curved mirrors are made by cutting a part of a sphere. Types of curved mirrors There are two types of curved mirrors namely: ... Read More
Properties of light, pinhole camera, plane mirror revision questions at O level physics
Fully discussed common examination questions Read More
Reflection in plane mirror o-level physics
Incident rays, reflected ray, normal, laws of reflection, types of reflection, Image formation in plane mirror, properties of image formed by plane mirror, location of ... Read More
Concave and convex mirror revision questions
Detailed explanation of questions in convex and concave mirror at A-level physics Read More
Concave and convex mirrors lesson 2 of 2 (A-level)
1. Relationship between the focal length f and the radius of curvature r of curved mirrors 2. Derivation of concave (converging) mirror formula 3. Derivation ... Read More
Reflection in plane mirrors revision questions A level
These are the common examination questions at A-level Read More
Reflection of light on plane mirrors A level
Ray of light , type of beams, laws of reflection, deviation of light at plane surfaces, deviation by rotated mirror, optical levers, deviation by successive ... 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
CURRICULUM VITAE FOR DR BBOSA SCIENCE
CURRICULUM VITAE Dr. Bbosa David Science NIN: CM70032106MGSF Voter’s number: 6436201 Polling station: KiwangaLwanda All Saint’s Church Brief resume Dr. Bbosa David Science is a ... Read More
Convex and concave mirrors (A-level physics)
Reflection at curved mirrors Curved mirrors are of two types namely; (i) Concave (Converging) mirror: it is part of the sphere whose center C is ... Read More
Mitosis and meiosis (cell division) (A-level biology)
Cell division Specific objectives The learner should be able to: Describe mitosis and meiosis Compare mitosis and meiosis Explain the significance of the changes in ... Read More
Preparation of gases (O-level chemistry)
Gases LABORATORY PREPARATION OF GASES Four main stages involved when preparing a gas in the laboratory. Production stage: here the reaction occurs in the reaction ... Read More