Biology Concepts Quiz

Biology

• Plant Identification: Drosera excelsa has bilobed leaves with stiff bristles along margins.

• Carbon Dioxide in Air: The range is 0.03-0.04%.

• HIV Exposure and Immunity: When exposed to HIV, becoming ill and surviving develops natural active immunity.

• Glycolysis and ATP: ATP is not directly involved in the conversion of 1,3-bisphosphoglycerate to 3-phosphoglycerate.

• Eukaryotic Cell Organelles: Autophagosomes originate from endoplasmic reticulum.

Additional Biology

• Amoeba Movement: Materials moving across Amoeba plasma membrane is termed endocytosis.

• Respiratory Distress Syndrome: Lipoproteins are surfactants during respiratory distress syndrome.

• Intestinal Sphincter: The ileocolic sphincter regulates material flow between ileum and large intestine.

• Human Testes: Spermatozoa are in seminiferous tubules.

• 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

• Molecular Solids: NaCl is a molecular solid.

• Nucleophilic Substitution Reactions: Unimolecular nucleophilic substitution reaction involves first-order kinetics.

• Oxidation of Methanal: Oxidation of methanal yields formic acid.

• Nitration of Phenol: Nitrophenol is formed when phenol reacts with concentrated nitric acid.

• 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 = P_T * X_i 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 K_p>K_c, 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 C_nH_2n.
• 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

• Projectile Angle and Height: The angle for projectile motion where maximum height is 1/4 is 60°.

• Negative Temperature Coefficient Materials: Germanium is a material with a negative temperature coefficient.

• Radioactive Source Activity: 10 Becquerels equals 10 decays per second.

• Thermodynamic System and Work: Isochoric condition is where a system does no work.

• Alternating Current Generator Function: Alternating current generators change mechanical energy to electrical energy.

• Electron Count in a Coulomb: One Coulomb contains 6.25 x 10¹⁸ electrons.

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.