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.
➖ 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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One mole of sugar is dissolved in three moles of water at 298 K. The relative lowering of vapourpressure is
Anonymous Quiz
14%
0.20
29%
0.50
31%
0.33
26%
0.25
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The work done when 1 mole of a gas expands reversibly and Isothermally from
pressure of 5 atm to 1 atm at 300 K is (Given log 5-0.6989 and R-8.314 JK mol)
pressure of 5 atm to 1 atm at 300 K is (Given log 5-0.6989 and R-8.314 JK mol)
Anonymous Quiz
13%
150 J
30%
+4014.6J
42%
-4014.6 J
15%
Zero J
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Which one of the following electrons in the ground state will have least amount ofenergy?
Anonymous Quiz
14%
An electron in 2p orbital of carbon atom
29%
The electron of copper atom present in4s orbital.
22%
The outermost electron in sodium atom.
35%
An electron in hydrogen atom.
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Let L₁ and Le be the orbital angular momentum of an electron in the first and second excited states of hydrogen atom, respectively. According to the Bohr's model, the ratio L₁: L₂ is:
Anonymous Quiz
18%
2:1
25%
3:2
38%
2:3
19%
1:2
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During simple harmonic motion of a body, the energy at the extreme positions is
Anonymous Quiz
27%
is always zero
22%
purely kinetic
38%
purely potential
14%
both kinetic and potential
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Important Points of NCERT -
• 1 gm Haemoglobin carry 1.34 ml of Oxygen.
• 100 ml blood contain 15 gm (12-16gm) Haemoglobin.
• 100 ml Blood carries 20 ml of Oxygen(1.34x15)
• But under normal physiological processes, 100 ml Blood delivers 25% (5ml) of Oxygen
• 1 molecule of Haemoglobin can carry maximum 4 Oxygen molecules.
• 1 gm Haemoglobin carry 1.34 ml of Oxygen.
• 100 ml blood contain 15 gm (12-16gm) Haemoglobin.
• 100 ml Blood carries 20 ml of Oxygen(1.34x15)
• But under normal physiological processes, 100 ml Blood delivers 25% (5ml) of Oxygen
• 1 molecule of Haemoglobin can carry maximum 4 Oxygen molecules.
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FIRSE BATA RAHA EK BAAR
✅ - AADHAR CARD ORIGINAL LE JANA PHOTO COPY NAHI
✅ - PRO FORMA PAGE NO - 2 SELF DECLARATION
✅ - 2 PASSPORT SIZE PHOTO
✅ - ADMIT CARD COLOUR YA BLACK AND WHITE DONO CHALEGA..
✅ - PEN UDHAR SE MILEGA
LADKIYA TSHIRT PEHN SAKTI...
HAIR BANDHE HUE NAHI HONE CHAHIYE.. WRIST WATCH NAHI PEHNA OR POCKET KHALI RAKHNA . SHOES NAHI PEHNA
LADKE TSHIRT CHAPAL PAJAMA.WRIST WATCH NAHI PEHNA . SHOES NAHI PEHNA.
PANI KI TRANSPARENT BOTTLE LE JA SAKTE HO..
✅ - AADHAR CARD ORIGINAL LE JANA PHOTO COPY NAHI
✅ - PRO FORMA PAGE NO - 2 SELF DECLARATION
✅ - 2 PASSPORT SIZE PHOTO
✅ - ADMIT CARD COLOUR YA BLACK AND WHITE DONO CHALEGA..
✅ - PEN UDHAR SE MILEGA
LADKIYA TSHIRT PEHN SAKTI...
HAIR BANDHE HUE NAHI HONE CHAHIYE.. WRIST WATCH NAHI PEHNA OR POCKET KHALI RAKHNA . SHOES NAHI PEHNA
LADKE TSHIRT CHAPAL PAJAMA.WRIST WATCH NAHI PEHNA . SHOES NAHI PEHNA.
PANI KI TRANSPARENT BOTTLE LE JA SAKTE HO..
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