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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To Everyone appearing for NEET Today:
Stay calm, focused, believe in yourself and give it your all. Your hard work will pay off.
I know that you're all feeling a mix of excitement and nerves right now, but I want to assure you that everything is going to be great. Whatever hard work you've done will pay off. Just focus on giving your best, and the rest will follow.
All the best for your Exam today!
Stay calm, focused, believe in yourself and give it your all. Your hard work will pay off.
I know that you're all feeling a mix of excitement and nerves right now, but I want to assure you that everything is going to be great. Whatever hard work you've done will pay off. Just focus on giving your best, and the rest will follow.
All the best for your Exam today!
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Group 13 Elements (Boron Group):
Includes boron (B), aluminum (Al), gallium (Ga), indium (In), and thallium (Tl).
Boron is a metalloid with unique properties and forms covalent compounds.
Aluminum is widely used in industries due to its lightweight and corrosion-resistant nature.
Gallium is a metal with a low melting point, used in semiconductors and LED technology.
Group 14 Elements (Carbon Group):
Includes carbon (C), silicon (Si), germanium (Ge), tin (Sn), and lead (Pb).
Carbon is the basis of organic chemistry and has diverse allotropes, including diamond and graphite.
Silicon is a significant component of semiconductors and plays a vital role in modern electronics.
Group 15 Elements (Nitrogen Group):
Includes nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi).
Nitrogen is essential for life and exists as diatomic molecules in the atmosphere.
Phosphorus is crucial for biological processes and is used in fertilizers and detergents.
Group 16 Elements (Oxygen Group/Chalcogens):
Includes oxygen (O), sulfur (S), selenium (Se), tellurium (Te), and polonium (Po).
Oxygen is vital for respiration and combustion processes.
Sulfur is widely used in the chemical industry and exists as elemental sulfur and various sulfide compounds.
Group 17 Elements (Halogens):
Includes fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).
Halogens are highly reactive nonmetals and exist as diatomic molecules in their elemental form.
Chlorine is widely used as a disinfectant, and iodine is used in antiseptics.
Group 18 Elements (Noble Gases):
Includes helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn).
Noble gases have full valence electron shells, making them stable and unreactive.
Helium is used in balloons and as a coolant in various applications.
Group 16, 17, and 18 Compounds:
Students should know the preparation, properties, and uses of common compounds like sulfuric acid, hydrochloric acid, ozone, hydrogen peroxide, and ammonia.
General Trends in p-Block Elements:
Understanding periodic trends like atomic size, ionization energy, electronegativity, and electron affinity within the p-block elements.
Important Compounds:
Learn about important compounds like borax, boron trifluoride, silicones, phosphine, hydrogen halides, carbon dioxide, sulfur dioxide, etc.
Allotropes and Applications:
Understanding the various allotropes of carbon (diamond, graphite, fullerene) and their applications in technology.
Includes boron (B), aluminum (Al), gallium (Ga), indium (In), and thallium (Tl).
Boron is a metalloid with unique properties and forms covalent compounds.
Aluminum is widely used in industries due to its lightweight and corrosion-resistant nature.
Gallium is a metal with a low melting point, used in semiconductors and LED technology.
Group 14 Elements (Carbon Group):
Includes carbon (C), silicon (Si), germanium (Ge), tin (Sn), and lead (Pb).
Carbon is the basis of organic chemistry and has diverse allotropes, including diamond and graphite.
Silicon is a significant component of semiconductors and plays a vital role in modern electronics.
Group 15 Elements (Nitrogen Group):
Includes nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi).
Nitrogen is essential for life and exists as diatomic molecules in the atmosphere.
Phosphorus is crucial for biological processes and is used in fertilizers and detergents.
Group 16 Elements (Oxygen Group/Chalcogens):
Includes oxygen (O), sulfur (S), selenium (Se), tellurium (Te), and polonium (Po).
Oxygen is vital for respiration and combustion processes.
Sulfur is widely used in the chemical industry and exists as elemental sulfur and various sulfide compounds.
Group 17 Elements (Halogens):
Includes fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).
Halogens are highly reactive nonmetals and exist as diatomic molecules in their elemental form.
Chlorine is widely used as a disinfectant, and iodine is used in antiseptics.
Group 18 Elements (Noble Gases):
Includes helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn).
Noble gases have full valence electron shells, making them stable and unreactive.
Helium is used in balloons and as a coolant in various applications.
Group 16, 17, and 18 Compounds:
Students should know the preparation, properties, and uses of common compounds like sulfuric acid, hydrochloric acid, ozone, hydrogen peroxide, and ammonia.
General Trends in p-Block Elements:
Understanding periodic trends like atomic size, ionization energy, electronegativity, and electron affinity within the p-block elements.
Important Compounds:
Learn about important compounds like borax, boron trifluoride, silicones, phosphine, hydrogen halides, carbon dioxide, sulfur dioxide, etc.
Allotropes and Applications:
Understanding the various allotropes of carbon (diamond, graphite, fullerene) and their applications in technology.
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For the reaction, N2(g) + 3H2(g) → 2NH3(g) d[NH3]/dt = 2 x10-4 mol L-1s-1, the value of -d[H2]/dt would be
Anonymous Quiz
45%
3 x 10-4 mol L-1s-1
29%
4 x 10-4 mol L-1s-1
21%
6×10-4 mol L-1s-1
5%
1 x 10-4 mol L-1s-1
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