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Questions and Answers
Which organelle is exclusively found in Cyanobacteria?
Which organelle is exclusively found in Cyanobacteria?
What are the small knob-like structures on the inner surface of cristae in the mitochondrial matrix?
What are the small knob-like structures on the inner surface of cristae in the mitochondrial matrix?
At what stage of Prophase I does crossing over occur?
At what stage of Prophase I does crossing over occur?
Which part of phospholipids forms the hydrophobic zone of the plasma membrane?
Which part of phospholipids forms the hydrophobic zone of the plasma membrane?
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What type of bond is formed between the hydroxyl group of one amino acid and the hydrogen of another's amino group?
What type of bond is formed between the hydroxyl group of one amino acid and the hydrogen of another's amino group?
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Which of the following is not classified as a bacterium?
Which of the following is not classified as a bacterium?
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How much energy from glucose is converted into ATP during anaerobic respiration?
How much energy from glucose is converted into ATP during anaerobic respiration?
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What is the term for groups of ribosomes associated with the rough endoplasmic reticulum and Golgi apparatus in neurons?
What is the term for groups of ribosomes associated with the rough endoplasmic reticulum and Golgi apparatus in neurons?
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Which series of hydrogen spectrum lies in the visible region?
Which series of hydrogen spectrum lies in the visible region?
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Which element is commonly used to treat cancerous thyroid conditions?
Which element is commonly used to treat cancerous thyroid conditions?
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Which of the following is an example of transverse waves?
Which of the following is an example of transverse waves?
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What is the work done by a man pulling a trolley through a distance of 50 m with a force at an angle of 60 degrees?
What is the work done by a man pulling a trolley through a distance of 50 m with a force at an angle of 60 degrees?
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Which condition was used by Newton to calculate the speed of sound in air?
Which condition was used by Newton to calculate the speed of sound in air?
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Which graph's gradient helps to determine acceleration?
Which graph's gradient helps to determine acceleration?
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What is the force applied when the rate of change of linear momentum occurs?
What is the force applied when the rate of change of linear momentum occurs?
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How many electrons are equivalent to one Coulomb of charge?
How many electrons are equivalent to one Coulomb of charge?
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Which plant features modified bilobed leaves with long stiff bristles along the margins?
Which plant features modified bilobed leaves with long stiff bristles along the margins?
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What is the typical range of carbon dioxide concentration in the air?
What is the typical range of carbon dioxide concentration in the air?
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What type of immunity is developed when a person survives HIV infection?
What type of immunity is developed when a person survives HIV infection?
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At which step in glycolysis is ATP not directly involved?
At which step in glycolysis is ATP not directly involved?
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From which cellular structure do autophagosomes originate?
From which cellular structure do autophagosomes originate?
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What term describes the movement of materials across the plasma membrane of Amoeba to engulf liquid food?
What term describes the movement of materials across the plasma membrane of Amoeba to engulf liquid food?
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Which conjugate molecules act as surfactants in respiratory distress syndrome?
Which conjugate molecules act as surfactants in respiratory distress syndrome?
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Where are spermatozoa primarily found in human testes?
Where are spermatozoa primarily found in human testes?
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At what angle made by a projectile with the x-axis can you achieve 1/4th of the maximum height?
At what angle made by a projectile with the x-axis can you achieve 1/4th of the maximum height?
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Which material is known to have a negative temperature coefficient of resistance?
Which material is known to have a negative temperature coefficient of resistance?
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What does 10 Becquerel represent in terms of radioactive decay?
What does 10 Becquerel represent in terms of radioactive decay?
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In which condition does a thermodynamic system NOT perform any work?
In which condition does a thermodynamic system NOT perform any work?
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What type of energy conversion occurs in an alternating current generator?
What type of energy conversion occurs in an alternating current generator?
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The phrase 'It was 97 in the shade.' refers to which aspect?
The phrase 'It was 97 in the shade.' refers to which aspect?
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How many siblings does the narrator have?
How many siblings does the narrator have?
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Which of the following conditions results in the most work performed by a thermodynamic system?
Which of the following conditions results in the most work performed by a thermodynamic system?
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What is the antonym of the word 'RECKLESS' in the context of behavior?
What is the antonym of the word 'RECKLESS' in the context of behavior?
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What is the figure of speech used in the phrase 'black sheep of the family'?
What is the figure of speech used in the phrase 'black sheep of the family'?
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Who will likely be appointed as the new chairperson of the math department based on seniority?
Who will likely be appointed as the new chairperson of the math department based on seniority?
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What are the missing alphabets in the sequence EZFA, GBHY, IXJC?
What are the missing alphabets in the sequence EZFA, GBHY, IXJC?
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If 'All practical numbers are even' is a false statement, what is a true statement?
If 'All practical numbers are even' is a false statement, what is a true statement?
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In a group of 100 players, how many players play both football and cricket?
In a group of 100 players, how many players play both football and cricket?
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What is an appropriate course of action for a customer complaint about a product not meeting expectations?
What is an appropriate course of action for a customer complaint about a product not meeting expectations?
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Identify the type of sentence: 'The caliph noticed the merchant.'
Identify the type of sentence: 'The caliph noticed the merchant.'
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What is the numerical equivalent of 1000 horsepower in watts?
What is the numerical equivalent of 1000 horsepower in watts?
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What is the average angular velocity of a pulley that completes twelve revolutions in 4 seconds?
What is the average angular velocity of a pulley that completes twelve revolutions in 4 seconds?
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By increasing the temperature of a medium by 1°C, the speed of sound is increased by how much?
By increasing the temperature of a medium by 1°C, the speed of sound is increased by how much?
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When a stretched string is plucked at the central point with a speed of 48 m/s and a length of 8m, what is the fundamental frequency?
When a stretched string is plucked at the central point with a speed of 48 m/s and a length of 8m, what is the fundamental frequency?
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How much energy is stored in a capacitor of 20F charged to a potential difference of 5V?
How much energy is stored in a capacitor of 20F charged to a potential difference of 5V?
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Electron-volt is the unit of which of the following?
Electron-volt is the unit of which of the following?
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What is measured by the quantity of motion present in a body?
What is measured by the quantity of motion present in a body?
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Which type of device is a diode used for?
Which type of device is a diode used for?
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Study Notes
Biology
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Plant Identification: Drosera excelsa has bilobed leaves with stiff bristles along margins.
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Carbon Dioxide in Air: The range is 0.03-0.04%.
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HIV Exposure and Immunity: When exposed to HIV, becoming ill and surviving develops natural active immunity.
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Glycolysis and ATP: ATP is not directly involved in the conversion of 1,3-bisphosphoglycerate to 3-phosphoglycerate.
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Eukaryotic Cell Organelles: Autophagosomes originate from endoplasmic reticulum.
Additional Biology
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Amoeba Movement: Materials moving across Amoeba plasma membrane is termed endocytosis.
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Respiratory Distress Syndrome: Lipoproteins are surfactants during respiratory distress syndrome.
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Intestinal Sphincter: The ileocolic sphincter regulates material flow between ileum and large intestine.
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Human Testes: Spermatozoa are in seminiferous tubules.
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CO2 Fixation and Photorespiration: Photosynthesis efficiency in plants with photorespiration is 20%.
Additional Biology
- Protein Structure: Myoglobin does not exhibit quaternary structure.
- Neurotransmitter Action: Neurotransmitter binding on post-synaptic membrane causes changes in permeability of certain ions.
- Stress Hormones and Glands: Adrenal glands are related to stress hormone secretion.
- Light Dependent Reactions: Photolysis of water is not part of cyclic photophosphorylation.
- Hemophilia: Hemophilia type A and B inherit through the maternal line.
Additional Biology
- Gallstones: Gallstones are mainly composed of cholesterol.
- Plant Pollination: Chromoplasts aid in pollination and seed dispersal.
- Carbohydrates and Iodine: Sucrose doesn't change color with iodine.
- Sexually Transmitted Diseases: AIDS targets T4 lymphocytes.
- Uterine Cycle and Ovulation: Ovulation occurs after 14 days of menstruation start.
Additional Biology
- Muscle Contraction: Z-line shortens when muscles contract, and the H-zone disappears.
- Nucleus and Cytoplasm Exchange: Nuclear pores allow RNA and protein exchange.
- Types of Dominance: In co-dominance, genotypic and phenotypic ratios are the same.
- Phosphorylation in ETC: Oxidative phosphorylation is a type of phosphorylation that occurs during electron transport chain.
- Tay-Sachs Disease and Organelles: Lysosomes are malfunctioned in Tay-Sachs disease.
Additional Biology
- Electron Transport Outcome: The outcome of electron transport chain is oxygen.
- Antibodies in Blood: AB blood type has anti-A and anti-B antibodies.
- Apoplast Pathway: Casparian strips in endodermis disrupt the apoplast pathway.
- Microorganisms Kill: Antiseptics are used to kill microorganisms in living tissues.
- Pelvic Girdle Formation: The fusion of ilium, ischium, and pubis forms the pelvic girdle, which is a ball and socket joint.
Additional Biology
- Enzyme Inhibitors: Cyanides are irreversible inhibitors.
- Resting Membrane Potential: During resting state, K+ concentration is higher inside the neuron membrane than outside.
- Eye Orbit Bones: The zygomatic is not a bone in the eye orbit.
- Diaphragm Movement: When diaphragm moves downward, increase in abdominal cavity volume.
- Water Ion Concentration: The concentration of H+ and OH- ions in pure water at 25°C is 10^-7 mole/liter.
Additional Biology
- Cartilage Cells: Chondrocytes are the living cells of cartilage.
- Fossil Science: Paleontology is the study of fossils by Darwin.
- Plasma Membrane Lipid: Lecithin is the main component of the lipid bilayer in plasma membranes.
- Enzyme Modification: Emil Fischer modified the Lock and key model.
- Electron Acceptor: Cytochrome c is the first electron acceptor from FADH2.
Additional Biology
- Acoelomates: Taenia is an example of a coelomate animal.
- Cyanobacteria Organelles: Heterocysts are present in Cyanobacteria.
- Mitochondrial Matrix: ATP synthase are found in knobs-like structures in mitochondrial matrix.
- Bacteriophage Sheath Attachment: Capsid is the attachment point of bacteriophage sheath to the head region.
- Prophase I: Crossing over occurs during diplotene stage of prophase I.
Additional Biology
- Phospholipids Hydrophobic Zone: Fatty acid tails form the hydrophobic zone of phospholipids in plasma membranes.
- Carbohydrate Bond: When a glucose molecule is converted to ATP in anaerobic respiration, about 2% of the energy remains in the bond.
- Organelles Associated with Ribosomes: The Golgi apparatus and rough endoplasmic reticulum are present in the cell body of neurons, forming Nissl's granules.
- Filterable Agents: . Charles Chamberland produced purified filterable agents.
- Sex Chromosomes: X0 condition in human is not associated with female sterility but is associated with sterile males in Drosophila.
Additional Biology
- Salivary Glands Location: Submaxillary glands are located behind the jaws.
- Inflammation in Respiratory Tract: Histamine is a chemical that causes upper respiratory inflammation.
- Lungs Covering: Pleura is the double layered thin membrane covering the lungs.
- Blood Vessels Bore: Capillaries have a larger bore, thin walls, and lack a pulse.
- Darwinism Key Point: Decent with modification is a key point of Darwinism.
Additional Biology
- Hexose-Aldehyde Sugar: Glucose is a hexose-aldehyde sugar.
- Bacteriophage Replication: Lysozyme is involved in bacteriophage penetration.
- Drosophila Dominance Type: Co-dominance is a type of dominance in Drosophila.
- Calvin Cycle Conversion: The process of converting 5 molecules of Glyceraldehyde-3-phosphate into 3 molecules of ribulose-1,5-bisphosphate is termed regeneration.
- Turner's Syndrome: X0 condition produces sterile female.
Additional Biology
- Inorganic Ion with Protein: Prosthetic groups are covalently bonded inorganic ions that are part of an enzyme.
- Substituents and Phenol Acidity: Electron withdrawing substituents increase phenol acidity.
- Hydrolysis Products: The product of CO2 reacting with Propyl magnesium chloride, followed by acid hydrolysis, is propanoic acid.
- IUPAC Name of Neopentane: 2,2-Dimethylpropane is the IUPAC name for neopentane.
- e/m Ratio and Proton: The e/m ratio of proton is 1837 times larger than that of an electron.
Additional Biology
- Dipole Moment: Carbon dioxide has zero dipole moment.
- Value of K at Different Temperatures: The value of K at 250°C is different from K at 200°C.
- Mass Ratio of Benzene Components: The mass ratio of carbon and hydrogen in benzene is 6:1.
- Internal Energy at Constant Volume: ΔE = q + PAV for internal energy at constant volume
- Benzene Electrophilic Substitution Catalyst: Lewis acid is a common catalyst during electrophilic aromatic substitution in benzene.
Additional Biology
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Molecular Solids: NaCl is a molecular solid.
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Nucleophilic Substitution Reactions: Unimolecular nucleophilic substitution reaction involves first-order kinetics.
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Oxidation of Methanal: Oxidation of methanal yields formic acid.
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Nitration of Phenol: Nitrophenol is formed when phenol reacts with concentrated nitric acid.
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Percent Yield Calculation: Theoretical yield is 25g when 15g is actual yield and 60% is the percentage yield.
Additional Biology
- Strongest Base: NaOH (sodium hydroxide) is the strongest base among the options.
- Partial Pressure Calculation: The formula Pi = PT * Xi is used for calculating partial pressures of gases in a mixture.
- Alkaline Earth Metal Character: The metallic character of alkaline earth metals decreases down the groups.
- Superoxide Formation: Barium forms superoxide when reacted with oxygen.
- Absolute Temperature Calculation: Used in the equations of state for ideal gases for their absolute temperature calculation.
Additional Biology
- Redox Reaction Location: Reduction is the type of redox reaction at the cathode.
- Heat Supplied at Constant Volume: Internal energy change is the quantity of heat supplied to a system at constant volume.
- Electrochemical Cell Examples: A voltaic and a solar cell are electrochemical cells.
- Mole Ratio in Chemical Equation: The mole ratio of Al to O2 is 4:3.
- Mass Action Law and Reaction Conditions: If Kp>Kc, reaction occurs with a decrease in volume on the product side.
Additional Biology
- IUPAC Name of Malonic Acid: Malonic acid's IUPAC name is 1,2-Ethanedioic acid.
- Vanadium Activity: Vanadium mostly acts as a reducing agent.
- Half-Life Calculation: 120 minutes is required for reaction completion to 87.5% of original value.
- Alicyclic Hydrocarbon Formula: The formula for saturated alicyclic hydrocarbons is CnH2n.
- Acetic Acid Reduction Product: Ethanal is the final product when reducing acetic acid with LiAlH4.
Additional Biology
- Benzene's Stability Reference: 1,3,5-cyclohexatriene is used to reference benzene stability.
- Flourine's Diamagnetism: Due to paired electrons in p orbitals, Fluorine is diamagnetic.
Additional Biology
- Enthalpy Change and Reactions: The enthalpy change in a reaction is the same, whether the reaction occurs in one step or multiple steps (Hess's Law).
- Chemical Equilibrium and Conditions: When equilibrium is shifted backwards, increasing pressure and decreasing temperature or increasing the concentration of NO or O2 happens.
- Fumaric Acid and Maleic Acid Isomerism: Fumaric acid and maleic acid display geometrical isomerism.
Additional Biology
- IUPAC Name of Organic Compound: 2-Chloropentanal is the IUPAC name.
Additional Biology
- Unit of Rate of Reaction: The unit of rate of reaction is mol(dm³)-1s-1.
- Oxygen Required for Combustion: 2 moles of propane need 10 moles of oxygen for combustion.
- Buffer System: Acetic acid and sodium acetate form a buffer solution.
- IUPAC Name of Compound: 2-hexene-5-yne is the IUPAC name for the given compound.
Additional Biology
- Relative Permittivity SI-Unit: The SI unit of relative permittivity is dimensionless.
- Destructive Interference Phase Difference: 180° phase difference is needed for destructive interference.
- Magnetic Flux Zero Angle: 90° angle is when magnetic flux is zero.
- Wave Generator Time Period: Time period for 1000 waves in 10 seconds is 0.01s.
- Transformer Voltage Calculation: Secondary coil voltage is 1050V when primary coil is 220V with a turn ratio of 5.
Additional Biology
- Power in Electric Circuit: Power output (Pout) is maximized when external resistance (R) equals internal resistance (r).
- Electric Field Intensity: The SI unit for electric field intensity is N/C (Newton per Coulomb).
- angular velocity: Calculated in revolutions per second, 3 revs per second when a pulley completes 12 revolutions in 4 seconds
- Current and Charge: 3.6 x 103 C is the charge when 60 A current crosses a wire for 60 seconds.
Additional Biology
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Projectile Angle and Height: The angle for projectile motion where maximum height is 1/4 is 60°.
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Negative Temperature Coefficient Materials: Germanium is a material with a negative temperature coefficient.
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Radioactive Source Activity: 10 Becquerels equals 10 decays per second.
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Thermodynamic System and Work: Isochoric condition is where a system does no work.
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Alternating Current Generator Function: Alternating current generators change mechanical energy to electrical energy.
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Electron Count in a Coulomb: One Coulomb contains 6.25 x 1018 electrons.
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Description
Test your knowledge of various biology concepts ranging from cellular structures to energy conversion. This quiz covers topics related to organelles, respiration, and wave properties. Challenge yourself with questions that span different biological processes and structures.
