Important terms in Biology for NEET l
➖ DNA: Deoxyribonucleic acid, a molecule that carries genetic information.
➖ RNA: Ribonucleic acid, a molecule that plays a key role in protein synthesis.
➖ Protein: A macromolecule made up of amino acids that carries out a variety of functions in the cell.
➖ Enzyme: A type of protein that catalyzes chemical reactions in the cell.
➖ Cell membrane: The thin, flexible layer that surrounds all cells and regulates the movement of molecules in and out of the cell.
➖ Mitosis: The process by which a single cell divides into two identical daughter cells.
➖ Meiosis: The process by which cells divide to produce gametes (sperm and eggs), each with half the number of chromosomes as the parent cell.
➖ Gene: A segment of DNA that codes for a specific protein or trait.
➖ Allele: One of two or more alternative forms of a gene.
➖ Mutation: A change in the DNA sequence that can result in altered gene function or the creation of new alleles.
➖ Natural selection: The process by which individuals with advantageous traits are more likely to survive and reproduce, leading to the evolution of populations over time.
➖ Adaptation: A trait or characteristic that increases an organism's fitness in its environment.
➖ Photosynthesis: The process by which green plants convert sunlight into energy in the form of organic compounds.
➖ Cellular respiration: The process by which cells convert organic compounds into energy in the form of ATP.
➖ Ecosystem: A community of living and non-living things that interact with each other and their environment.
➖ Homeostasis: The ability of organisms to maintain a stable internal environment in the face of changing external conditions.
➖ Evolution: The process by which species change over time as a result of genetic variation and natural selection.
➖ Ecology: The study of the interactions between living organisms and their environment.
➖ Biotechnology: The use of living organisms or their products to develop new products or processes.
➖ Epidemiology: The study of the distribution and determinants of health and disease in populations.
➖ Chromosome: A structure made of DNA and protein that carries genetic information.
➖ Cytoplasm: The gel-like substance inside a cell that contains organelles and other cell components.
➖ Organelle: A specialized structure within a cell that performs a specific function.
➖ Nucleus: The control center of a cell that contains the cell's DNA.
➖ Ribosome: The site of protein synthesis in a cell.
➖ Mitochondria: The organelles responsible for producing ATP through cellular respiration.
➖ Chloroplast: The organelles in plant cells responsible for photosynthesis.
➖ Cytoskeleton: The network of protein filaments that give a cell its shape and allow for movement.
➖ Endoplasmic reticulum: A network of membranes in the cytoplasm that is involved in protein and lipid synthesis.
➖ Golgi apparatus: An organelle that modifies, sorts, and packages proteins for secretion or transport.
➖ Lysosome: An organelle that contains enzymes for breaking down and recycling cellular waste.
➖ Vacuole: A membrane-bound organelle that stores materials such as water, nutrients, and waste products.
➖ ATP: Adenosine triphosphate, the molecule that carries energy within cells.
➖ Aerobic respiration: The process of producing ATP in the presence of oxygen.
➖ Anaerobic respiration: The process of producing ATP in the absence of oxygen.
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➖ DNA: Deoxyribonucleic acid, a molecule that carries genetic information.
➖ RNA: Ribonucleic acid, a molecule that plays a key role in protein synthesis.
➖ Protein: A macromolecule made up of amino acids that carries out a variety of functions in the cell.
➖ Enzyme: A type of protein that catalyzes chemical reactions in the cell.
➖ Cell membrane: The thin, flexible layer that surrounds all cells and regulates the movement of molecules in and out of the cell.
➖ Mitosis: The process by which a single cell divides into two identical daughter cells.
➖ Meiosis: The process by which cells divide to produce gametes (sperm and eggs), each with half the number of chromosomes as the parent cell.
➖ Gene: A segment of DNA that codes for a specific protein or trait.
➖ Allele: One of two or more alternative forms of a gene.
➖ Mutation: A change in the DNA sequence that can result in altered gene function or the creation of new alleles.
➖ Natural selection: The process by which individuals with advantageous traits are more likely to survive and reproduce, leading to the evolution of populations over time.
➖ Adaptation: A trait or characteristic that increases an organism's fitness in its environment.
➖ Photosynthesis: The process by which green plants convert sunlight into energy in the form of organic compounds.
➖ Cellular respiration: The process by which cells convert organic compounds into energy in the form of ATP.
➖ Ecosystem: A community of living and non-living things that interact with each other and their environment.
➖ Homeostasis: The ability of organisms to maintain a stable internal environment in the face of changing external conditions.
➖ Evolution: The process by which species change over time as a result of genetic variation and natural selection.
➖ Ecology: The study of the interactions between living organisms and their environment.
➖ Biotechnology: The use of living organisms or their products to develop new products or processes.
➖ Epidemiology: The study of the distribution and determinants of health and disease in populations.
➖ Chromosome: A structure made of DNA and protein that carries genetic information.
➖ Cytoplasm: The gel-like substance inside a cell that contains organelles and other cell components.
➖ Organelle: A specialized structure within a cell that performs a specific function.
➖ Nucleus: The control center of a cell that contains the cell's DNA.
➖ Ribosome: The site of protein synthesis in a cell.
➖ Mitochondria: The organelles responsible for producing ATP through cellular respiration.
➖ Chloroplast: The organelles in plant cells responsible for photosynthesis.
➖ Cytoskeleton: The network of protein filaments that give a cell its shape and allow for movement.
➖ Endoplasmic reticulum: A network of membranes in the cytoplasm that is involved in protein and lipid synthesis.
➖ Golgi apparatus: An organelle that modifies, sorts, and packages proteins for secretion or transport.
➖ Lysosome: An organelle that contains enzymes for breaking down and recycling cellular waste.
➖ Vacuole: A membrane-bound organelle that stores materials such as water, nutrients, and waste products.
➖ ATP: Adenosine triphosphate, the molecule that carries energy within cells.
➖ Aerobic respiration: The process of producing ATP in the presence of oxygen.
➖ Anaerobic respiration: The process of producing ATP in the absence of oxygen.
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★ Thermodynamics Notes ™
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▫️Current and Electricity ™
▫️Short Handwritten Notes
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▫️Short Handwritten Notes
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✅Very important points - Human Reproduction
🌟Uterus also called womb.
🌟 Longest unstripped muscles of the body are found in the walls of uterus. (During pregnancy)
🌟 Clitoris is a homologous to the penis in the male.
🌟 Bartholin Glands : It is homologous to Cowper's gland of male
🌟 A functional mammary gland is characteristic of all female mammals.
🌟 The milk produced during the initial few days of lactation is called colostrum which contains antibodies (IgA) absolutely essential to develop resistance for the new-born babies.
⚡️ Liberation of sperms from Sertoli cells of seminiferous tubules is called spermiation.
⚡️ Liberation of sperms from testes is called semination.
⚡️ Liberation of sperms from body of male is called ejaculation .
⚡️ Mammalian sperms are transfered to vagina of female by the process called insemination.
⚡️ In 1 ml of semen, 20 to 120 millions of sperms are present in human being.
⚡️ Leydig's cells mature at 10 yrs. of age.
⚡️ In humans (and most vertebrates), the first polar body does not undergo meiosis II.
⚡️ The first polar body is, therefore, formed merely to get rid of unwanted chromosomes.
⚡️ 65-74 days are required to complete the cycle of spermatogenesis in human being.
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🌟Uterus also called womb.
🌟 Longest unstripped muscles of the body are found in the walls of uterus. (During pregnancy)
🌟 Clitoris is a homologous to the penis in the male.
🌟 Bartholin Glands : It is homologous to Cowper's gland of male
🌟 A functional mammary gland is characteristic of all female mammals.
🌟 The milk produced during the initial few days of lactation is called colostrum which contains antibodies (IgA) absolutely essential to develop resistance for the new-born babies.
⚡️ Liberation of sperms from Sertoli cells of seminiferous tubules is called spermiation.
⚡️ Liberation of sperms from testes is called semination.
⚡️ Liberation of sperms from body of male is called ejaculation .
⚡️ Mammalian sperms are transfered to vagina of female by the process called insemination.
⚡️ In 1 ml of semen, 20 to 120 millions of sperms are present in human being.
⚡️ Leydig's cells mature at 10 yrs. of age.
⚡️ In humans (and most vertebrates), the first polar body does not undergo meiosis II.
⚡️ The first polar body is, therefore, formed merely to get rid of unwanted chromosomes.
⚡️ 65-74 days are required to complete the cycle of spermatogenesis in human being.
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Statement I : A 0.1 molal aqueous solution of NaCl freezes at the same temperature as a 0.1 molal aqueous solution of urea.
Statement II : Colligative properties depends on nature of solute but not on number of solute particle
Statement II : Colligative properties depends on nature of solute but not on number of solute particle
Anonymous Quiz
27%
Statement I is correct and statement II is incorrect
38%
Statement I is incorrect and statement II is correct
26%
Both statements are incorrect
10%
Both statements are incorrect
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Standard enthalpy of formation is not Zero for
Anonymous Quiz
23%
N2(g)
21%
I2(s)
24%
Hg(l)
32%
H2O(l)
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Enthalpy of sublimation is equal to enthalpy of atomization for
Anonymous Quiz
27%
Na
20%
I2
30%
CO2
23%
Naphthalene
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All the following are intensive properties except
Anonymous Quiz
18%
Specific heat
38%
Heat capacity
27%
Density
18%
Concentration
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Which of the following particle has maximum value of specific charge?
Anonymous Quiz
18%
proton
40%
Electron
11%
Neutron
31%
Alpha particle
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