MOUMITASENGUPTA18

thalamus photosynthesis humidity atmospheric condition crown cng fire extinguisher ignition temperature inflammable substance non-combustible substance combustion and flame sunlight magnesium sodium atomic mass coal couple principles of moments torque gravitational force incomplete flowers nectaries floral whorls bougainvillea flower structure silk moth processing of wool wool fiber and fabric pollen grain triple fusion micropyle double fertilization entry of pollen tube division of nucleus fertilization in plants lense conjunctiva lacrimal gland retina iris ciliary body choroid cornea sclera eye image chlorophyll carbon dioxide site of photosynthesis genetic variation darwin’s theory evolution notes hand-washing world dare corona mers sars coronavirus corona cases in india leo major cassiopéia orion major ursa major constellation diagram electroplating electrolysis electrolytic cell electrode electrolyte exothermic changes endothermic changes characteristics of matter ribosome endoplasmic reticulum cytoplasm plastid eukaryotic cell prokaryotic cells cell number size of the cell cell theory cell the basic unit of life meiosis mitosis cell division repair of tissue formation of rbc dead cells cell cycle regulation cone calorimeter isothermal titration calorimetry formula calorimetry structure of bacteria bacteria images j.j.thompson greek philosophers maharishi kanad rainfall climate weather temperature definition of weather xylem cohesion- tension theory capillarity theory root pressure theory transporting material ascent of sap nervous tissue muscular tissue connective tissue epithelial tissue animal tissue cattle farming animal husbandry frictional force types of friction angle of friction tetravalency of carbon catenation graphite diamond allotropy arrhenius theory acid base and salt penguins structural adaptation acclimatization hilum wheat rice maize ovary unisexual flower complete flower bryophyllum begonia plant life elements mineral acids iodine bromine chlorine barium strontium calcium potassium lithium periodic classification ozone layer ammonofication nitrogen assimilation nitrogen fixation nitrification nitrogen cycle aeruginosa pseudomonas oxygen cycle biotin vitamin h pyridoxine vitamin b6 vitamin b3 niacin vitamin b2 (riboflavin antineuritic factor thiamine vitamin b1 anti-xerophthalmic factor vitamin a retinol diarrhoea jaundice constipation kwashiorkor marasmus nutritional diseases nuclear power generation nuclear fusion nuclear fission nuclear energy geothermal energy ocean thermal energy wave energy solar cooker solar energy bio gas non-conventional sources sodium pump depolarisation polarised state synapse response effector coordinator receptor impulse stimulus schwann cell nissl’s granules dendrites axon structure of a neuron nervous system function types of nerves nervous system images size of pea flowers bisexual flowers mendel rbc f2generation f1generation p generation gene pool genotype phenotype recessive dominant heterozygous homozygous allelomorphs alleles genetics genes heredity monohybrid and dihybrid cross mercury zinc magnesium hydroxide potassium hydroxide charcoal copper iron hardness phosphorus sulphur malleability conductivity metals and nonmetals class 8 hyenas jackals forest floor herb layer shrub layer canopy forest our lifeline rotational motion force mks unit si unit moment of force number of carpels diadelphous monadelphous polyadelphous androecium corolla pedicel definition of gametes silkworm hydrocarbon cocoons separation of fibers cleaning of fibers structure of ovule embryo sac germination of pollen grain events of fertilization optic nerve fovea blind spot yellow spot pupil suspensory ligaments human eye structure of eye balsam plant parasitic plant sunflower algae green than carbohydrate croton leaf water oxygen weismann lamarck’s theory theories of evolution untreated sewage fertilizers pesticide industrial waste spm chlorofluorocarbons nitrogen oxides anthropogenic sources man-made sources natural sources particulate air pollutants definition of pollutant duodenum stomach mouth egestion glycogen enzymes biological catalysts small intestine hydrochloric acid digestion nutrition digestive system pdf canines incisors periodontal fibres odontoblasts pulp cavity and pulp cement dentine enamel neck roots heterodont homodont cutting and bitting teeth throat soar nasal congestion fever dry cough prevention biological explanation host body shooting star planets stars soil hydrosphere basement of life soil biosphere atmosphere hydrospere lithosphere natural resources communicable disease cancer allergies degenerative diseases congenital disease acquired diseases sporadic pandemic epidemic non communicable concept of disease explosions spontaneous combustion rapid combustion petroleum coal tar coke use of coal fossil fuel exhaustible natural resources coal and petroleum fresh fruits acetic acid vinegar magnetic effects distilled water good conductors chemical effects of electric c camphor cooking of food melting of butter sublimation catalyst requirement of energy )molecular composition chemical change physical change nucleus golgi bodies mitochondria type of cell discovery of cell karyokinesis cytokinesis interphase calorie law of calorimetry decaying matter chemosynthetic bacteria green sulphur bacteria nutrition in bacteria metabolic activity comma shaped rod shaped spherical shaped shape of bacteria valence electron argon ozone neil bohr goldstein rutherford plum pudding model john dalton altitude above sea level wind speed food and minerals water and minerals glandular epithelium ciliated columnar epithelium columnar epithelium cuboidal epithelium fish culture apiculture capture fishing poultry birds draught animals rolling friction sliding static fullerenes tendency to form multiple bond alkali burn acid burn metal container qualitative concept of ph identification of acid h2 so4 hydronium ion camouflage elephant lion-tailed macaque red-eyed frog polar bear physiological adaptation behavioural adaptation centrifugal  force centripetal force type of force force unit calyx. complete   flower receptacle bisexual flower gametes sorter’s disease life cycle of silk moth production of silk silk dying triploid diploid haploid germination myopia working of eye various colors glucose origin of new species industrial pollution natural selection neo darwinism experiments by weismann lamarck’s theory of evolution aluminium steel mriga constellation vaporization intermolecular space in liquid intermolecular space of solid kinetic energy fluidity inter-molecular space gas liquid solid states of matter classification of matter irradiation pasteurization sterilisation food preservation reproduction respiration different types of fungi characteristics of fungi classification of fungi klinfelter’s syndrome red-green color blindness hemophilia cystic fibrosis albinism phenylketonuria alkaptonuria turner’s syndrome down’s syndrome chromosomal disorders electric appliance chemical effects curdling of milk burning of candle new substance molecular composition change of properties cell membrane a unit of life why do cells divide zygote calorimetric solution specific heat of metal heterotrophic nutrition autotrophic nutrition nucleoid vibrio spirillum bacillus coccus nuclear membrane silicon mass number atomic number electrostatic force electrons dalton’s atomic theory basic atomic structure atomic structure pdf tropical rainforest polar region the climate elements of weather hygrometer translocation of food blood advantages of apiculture poultry farming farm management exterior  triangle interior triangle angle sum property factors affecting frictional fullerene amphoteric oxide basic oxide acidic oxide adaptation