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September 04, 2020

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Sabiha Banu: Hyderabad, Telangana, India

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ACIDS
agricultural wastes
aim
air
algal bloom
alternative sources of energy.
ALVEOLI
anaerobic respiration
and result
anther

apparatus
Arteries
artificial pollination
bacteria
bananas a perfect snack for atheletes
BASES
biodegradable and non biodegradable wastes
biomagnification
Blood vessels
Capillaries
Cardiac
cell membrane
cell organelles
cellular respiration
class 10
class 9
conditions for germination
cotyledon
covid19.
cristae
cross pollination
DIAPHRAGM
digestive system in humans
domestic wastes
dormancy
E-waste
enzymes
epicotyl
epidermis
etc
ethyl alcohol
eutrophication
fermentation
fertilizers
forests
fossil fuels
functions of forests
germination
Golgi bodies
🄷🄴🄰🄻🅃🄷
Heart
how use of detergents lead to eutrophication.
hypocotyl
INDICATORS
industrial wastes
know abt the cells
LARYNX
Leaf and Flower
LUNGS
matrix
medical
medical waste
minerals
mitochondria
municipal wastes
natural resources
nucleus
observation
parenchyma
PHARYNX
Phloem
plant species
plant tissue
power house of a cell
PROKARYOTIC CELL AND EUKARYOTIC CELL
PROPERTIES OF ACIDS AND BASES
Pulmonary
RADIO WA ES
renewable and non renewable resources of energy
reticulum
RIBS
Root
SALTS
seed leaves
seedling
self pollination
sites of respiration.
soil
sources of wastes
SPECTRUM
Stem
stigma
Structure of heart
their functions and definitely diseases
TRACHEA
types of leaves depending on venation
types of wastes
ULTRAVIOLET RAYS
USES OF ACIDS AND BASES
Valves
Veins
VISIBLE LIGHT
vitamins - water and fat soluble vitamins
water
what is biomagnification? example of biomagnification.
xylem
yeast

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Sabiha Banu

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Experiment to demonstrate Moll’s half-leaf experiment for showing that CO 2 , light, chlorophyll and water are necessary requirements for photosynthesis: Requirements: A potted plant, caustic potash, wide- mouthed bottle, iodine, split cork, water Method: 1. De-starch a potted plant by putting it in complete darkness for two days. 2. Fill partly a wide-mouthed bottle with strong solution of caustic potash and fit a split cork on its mouth. 3. Insert about half of the portion of a leaf of the de-starched plant into the bottle through the split cork (Fig. 36). 4. Place the whole apparatus in light after applying grease on the upper portion of split cork, and test the leaf for stach after about 10 hours. Observations: Portions of the leaf inside the bottle as well as in between the split cork show negative test for starch indicating the absence of photosynthesis while the portions outside the split cork show positive test for starch indicating the presence of process of photosynthesis in

EUTROPHICATION

May 24, 2021

When water bodies such as lakes, estuaries and slow moving streams receive excess nutrients ,it results in excessive plant (algal) growth . This process is called eutrophication. This excessive growth of plants such as Water hyacinth and algae reduces the dissolved oxygen (BOD- biological oxygen demand) in water. The water body then becomes incapable of supporting fishes and other forms of aquatic life. Excessive growth of algae in such water bodies is described as algal bloom. Nitrates and phosphates are the two main substances(nutrients) that causes such condition, which is a direct result of pollution. These nutrients come from a variety of sources,such as fertilizers applied to agricultural fields and golf courses, excessive use if detergents, erosion of soil containing nutrients,untreated sewage and discharges from sewage treatment plants. EUTROPHICATION not only leads to reduced oxygen but also produce foul odour and slow death of water body. Thus, biodiversity in t

TYPES OF RESPIRATION

September 11, 2020

Respiration is a process by which the food gets oxidised to produce energy . There are different organs involved in this process in different organisms such as lungs , skin ,gills ,trachea, etc . Hence there are different types of respiration in living organisms depending on the organs involved . Branchial respiration : The respiration in which gills are used as organs of respiration is called branchial respiration. Ex. Fishes , they have special structures called gills for exchange of gases . Tracheal respiration: The respiration in which trachea are used as organs of respiration is called tracheal respiration.Ex. Insects ,they have small holes on either side of their bodies called spiracles . These spiracles opens up in tubes called trachea where exchange of gases takes place. Cutaneous respiration: If the respiration takes place through the skin then it is called cutaneous respiration. Ex . Frogs and other amphibians undertake two organs for their respiration . The skin and t

Labels

ACIDS1
agricultural wastes1
aim1
air1
algal bloom1
alternative sources of energy.1
ALVEOLI1
anaerobic respiration1
and result1
anther1

apparatus1
Arteries1
artificial pollination1
bacteria1
bananas a perfect snack for atheletes1
BASES1
biodegradable and non biodegradable wastes1
biomagnification1
Blood vessels1
Capillaries1
Cardiac1
cell membrane1
cell organelles1
cellular respiration1
class 103
class 91
conditions for germination1
cotyledon1
covid19.1
cristae1
cross pollination1
DIAPHRAGM1
digestive system in humans1
domestic wastes1
dormancy1
E-waste1
enzymes1
epicotyl1
epidermis1
etc2
ethyl alcohol1
eutrophication1
fermentation1
fertilizers1
forests1
fossil fuels1
functions of forests1
germination1
Golgi bodies1
🄷🄴🄰🄻🅃🄷1
Heart1
how use of detergents lead to eutrophication.1
hypocotyl1
INDICATORS1
industrial wastes1
know abt the cells1
LARYNX1
Leaf and Flower1
LUNGS2
matrix1
medical1
medical waste1
minerals1
mitochondria2
municipal wastes1
natural resources1
nucleus1
observation1
parenchyma1
PHARYNX1
Phloem1
plant species1
plant tissue1
power house of a cell1
PROKARYOTIC CELL AND EUKARYOTIC CELL1
PROPERTIES OF ACIDS AND BASES1
Pulmonary1
RADIO WA ES1
renewable and non renewable resources of energy1
reticulum1
RIBS1
Root1
SALTS1
seed leaves1
seedling1
self pollination1
sites of respiration.1
soil1
sources of wastes1
SPECTRUM1
Stem1
stigma1
Structure of heart1
their functions and definitely diseases1
TRACHEA1
types of leaves depending on venation1
types of wastes1
ULTRAVIOLET RAYS1
USES OF ACIDS AND BASES1
Valves1
Veins1
VISIBLE LIGHT1
vitamins - water and fat soluble vitamins1
water1
what is biomagnification? example of biomagnification.1
xylem1
yeast1

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Banu's blog for school students

Informative science topics for school students

Followers

Labels

ACIDS1
agricultural wastes1
aim1
air1
algal bloom1
alternative sources of energy.1
ALVEOLI1
anaerobic respiration1
and result1
anther1

apparatus1
Arteries1
artificial pollination1
bacteria1
bananas a perfect snack for atheletes1
BASES1
biodegradable and non biodegradable wastes1
biomagnification1
Blood vessels1
Capillaries1
Cardiac1
cell membrane1
cell organelles1
cellular respiration1
class 103
class 91
conditions for germination1
cotyledon1
covid19.1
cristae1
cross pollination1
DIAPHRAGM1
digestive system in humans1
domestic wastes1
dormancy1
E-waste1
enzymes1
epicotyl1
epidermis1
etc2
ethyl alcohol1
eutrophication1
fermentation1
fertilizers1
forests1
fossil fuels1
functions of forests1
germination1
Golgi bodies1
🄷🄴🄰🄻🅃🄷1
Heart1
how use of detergents lead to eutrophication.1
hypocotyl1
INDICATORS1
industrial wastes1
know abt the cells1
LARYNX1
Leaf and Flower1
LUNGS2
matrix1
medical1
medical waste1
minerals1
mitochondria2
municipal wastes1
natural resources1
nucleus1
observation1
parenchyma1
PHARYNX1
Phloem1
plant species1
plant tissue1
power house of a cell1
PROKARYOTIC CELL AND EUKARYOTIC CELL1
PROPERTIES OF ACIDS AND BASES1
Pulmonary1
RADIO WA ES1
renewable and non renewable resources of energy1
reticulum1
RIBS1
Root1
SALTS1
seed leaves1
seedling1
self pollination1
sites of respiration.1
soil1
sources of wastes1
SPECTRUM1
Stem1
stigma1
Structure of heart1
their functions and definitely diseases1
TRACHEA1
types of leaves depending on venation1
types of wastes1
ULTRAVIOLET RAYS1
USES OF ACIDS AND BASES1
Valves1
Veins1
VISIBLE LIGHT1
vitamins - water and fat soluble vitamins1
water1
what is biomagnification? example of biomagnification.1
xylem1
yeast1

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Science fans

ACIDS1
agricultural wastes1
aim1
air1
algal bloom1
alternative sources of energy.1
ALVEOLI1
anaerobic respiration1
and result1
anther1

apparatus1
Arteries1
artificial pollination1
bacteria1
bananas a perfect snack for atheletes1
BASES1
biodegradable and non biodegradable wastes1
biomagnification1
Blood vessels1
Capillaries1
Cardiac1
cell membrane1
cell organelles1
cellular respiration1
class 103
class 91
conditions for germination1
cotyledon1
covid19.1
cristae1
cross pollination1
DIAPHRAGM1
digestive system in humans1
domestic wastes1
dormancy1
E-waste1
enzymes1
epicotyl1
epidermis1
etc2
ethyl alcohol1
eutrophication1
fermentation1
fertilizers1
forests1
fossil fuels1
functions of forests1
germination1
Golgi bodies1
🄷🄴🄰🄻🅃🄷1
Heart1
how use of detergents lead to eutrophication.1
hypocotyl1
INDICATORS1
industrial wastes1
know abt the cells1
LARYNX1
Leaf and Flower1
LUNGS2
matrix1
medical1
medical waste1
minerals1
mitochondria2
municipal wastes1
natural resources1
nucleus1
observation1
parenchyma1
PHARYNX1
Phloem1
plant species1
plant tissue1
power house of a cell1
PROKARYOTIC CELL AND EUKARYOTIC CELL1
PROPERTIES OF ACIDS AND BASES1
Pulmonary1
RADIO WA ES1
renewable and non renewable resources of energy1
reticulum1
RIBS1
Root1
SALTS1
seed leaves1
seedling1
self pollination1
sites of respiration.1
soil1
sources of wastes1
SPECTRUM1
Stem1
stigma1
Structure of heart1
their functions and definitely diseases1
TRACHEA1
types of leaves depending on venation1
types of wastes1
ULTRAVIOLET RAYS1
USES OF ACIDS AND BASES1
Valves1
Veins1
VISIBLE LIGHT1
vitamins - water and fat soluble vitamins1
water1
what is biomagnification? example of biomagnification.1
xylem1
yeast1

Show more Show less