Q. Which of the following alcohol can give lodoform reaction? Answer: Ethanol
Q. Reaction of HCN with formaldehyde is a ______? Answer: Nucleophilic addition reaction
Q. The blue color of Fehling solution is changed to red when warmed with an aldehyde due to formation of which of the following? Answer: Cu₂O
Q. CnH2nO is the general formula of ______? Answer: Ketones
Q. Alkyl Halides involving -C-X bond breakage and -C-Nu bond formation simultaneously would follow which one of the following mechanisms? Answer: SN2
Q. Identify the correct statement related to substitution and elimination of alkyl halides? Answer: Role of leaving groups in elimination is similar to substitution
Q. Identify correct ascending order of reactivity of alkyl halides? Answer: F, Cl, Br, I
Q. In Friedel Craft acylation an acyl group is introduced in benzene ring in the presence of catalyst _____? Answer: AlCl₃
Q. Which one of the following represents nitration of benzene correctly? Answer: Answer see in detail…
Q. Which one of the following DO NOT have tendency to form hydrogen bonding? Answer: Hydrocarbon
Q. In order to boil water at 110°C, external pressure should be _____? Answer: 760 – 1200 torr
Q. The correct ideal gas equation is ____? Answer: PV=nRt
Q. Intermolecular forces between molecules of ideal gas are ______? Answer: Absent
Q. Which of the following electronic configuration is correct for carbon? Answer: 1s²2s²2p²
Q. The p orbital has ______? Answer: 2 lobes
Q. No individual atom in the sample of 1 mole of Neon has a mass of 20.18 a.m.u. because it is ______? Answer: Average atomic mass of Ne
Q. The atomic masses of element depend upon _____? Answer: Number of isotopes & their abundance
Q. The type and relative amount of each isotope in an element can be found by ______? Answer: Mass Spectrometry
Q. Number of moles in an element is directly proportional to _____? Answer: Mass of an element
Q. Which of the following is an example of substituent group which release electrons to benzene ring? Answer: -NH₂
Q. Homocyclic organic compounds are sub divided into two types namely? Answer: Alicyclic and Aromatic
Q. Which of the following is NOT a correct feature of electrolytic cells? Answer: Alternating current source is connected to electrodes
Q. Which step is irrelevant with respect to balancing of redox equations by oxidation number method? Answer: Split the reaction into two half reactions
Q. Oxidation number of ‘Mn’ in KMnO₄ is _______? Answer: +7
Q. The enthalpy change when 1 Mole of water is formed by the reaction of acid with an alkali under standard conditions is known as? Answer: Enthalpy of neutralization
Q. All of the following steps are used to calculate the lattice energy in Born-Haber cycle EXCEPT? Answer: Deionize the metal
Q. In endothermic reaction, the heat content of the _____? Answer: Products is more than that of reactants
Q. Which of the following is CORRECT Arrhenius equation? Answer: K=Ae^-Ea/RT
Q. The step whose rate does not depend on the concentration of reactants is? Answer: Zero order reaction
Q. Consider the hypothetical equation aA + bB → cC + dD: Which of the following represents correct rate equation? Answer: Rate = k[A]^a[B]^b
Q. Identify the correct formula to calculate rate of reaction? Answer: Change in concentration of substance ÷ Time taken for the change
Q. Consider the following reaction in equilibrium and tell addition of which chemical will turn the cloudy solution into clear solution? BiCl₃ + H₂O ⇌ BiOCI + 2HCI Answer: HCl
Q. In graphite the carbon atoms are arranged in which of the following structure? Answer: Hexagonal
Q. One of the following is NOT an example of amorphous solids? Answer: Glucose
Q. Whenever the crystalline solids are broken they do so along definite planes known as? Answer: Cleavage planes
Q. Boiling point of a liquid is a temperature at which _____? Answer: Vapour pressure equals the atmospheric pressure
Q. Which reagent can differentiate alcohol and phenol? Answer: Neutral FeCl₃
Q. What is the general formula for alkenes? Answer: CnH2n
Q. The Magnetic quantum number for 4f orbital would be _____? Answer: -3, -2, -1, 0, +1, +2, +3
Q. The pressure 14.7 psi is equal to _____? Answer: 1 atm
Q. The gas law in which the pressure is kept constant is known as ______? Answer: Charles’ Law
Q. The average distance covered by the gas molecule between successive collisions is known as _____? Answer: Mean free path
Q. 1 Atomic Mass Unit is equal to ______? Answer: 1.66 × 10⁻²⁷ kg
Q. In Kelvin scale of temperature, the boiling point of water is marked as ______? Answer: 373K
Q. 9.8 g of H₂SO₄ has been dissolved in excess water to ionize it completely. How many number of H ions it will yield? Answer: 1.204 × 10²³
Q. The total number of moles present in 2.8g of Ethylene molecule are _______? Answer: 0.1 mole
Biology
Q. Chloroplast are membrane bound bodies containing _____? Answer: Pigment
Q. Which monosaccharide will form a gluco pyranose ring in solution? Answer: Glucose
Q. The hydrophilic end of phospholipid molecule is polar because of the presence of _____? Answer: Phosphate group
Q. Which of the following process is involved in breakdown of protein into Amino acids? Answer: Hydrolysis
Q. Polysaccharides in plants are synthesized by the process of _______? Answer: Condensation
Q. When glycerol reacts with fatty acid, which type of chemical bond will form? Answer: Ester Bond
Q. What is the percentage of H₂O in bone cells? Answer: 20%
Q. Mono-saccharides have a general formula represented by ______? Answer: Cn(H₂O)n
Q. The PS II during light reactions receives electrons from splitting ______? Answer: Water
Q. Enzyme NADP reductase is responsible for ______? Answer: Reducing NADP⁺
Q. In the journey of electrons from photosystem II to photosystem I plastocyanine is reduced by ______? Answer: Cytochrome complex
Q. Which option is correct about a chlorophyll molecule? Answer: Chemical formula C55 H70 O6 N4Mg
Q. In Calvin cycle CO₂ reacts with RuBP to produce ______? Answer: 6-Carbon unstable intermediate
Q. _______ is transmitted through infected blood and hypodermic syringes. Answer: HIV
Q. In the life cycle of a bacteriophage, the lysozymes are required in which of the following steps of infection process? Answer: Penetration
Q. The causative organism of measles is ______? Answer: Paramyxovirus
Q. Example of viruses having a polyhedral capsid that is with 252 capsomeres is _____? Answer: Adenovirus
Q. One of the following is CORRECT regarding flagella? Answer: Originates from basal bodies
Q. Bacterial genome becomes diploid _______? Answer: Before spore formation
Q. Autotrophic mode of nutrition in organism depends upon ______? Answer: Photosynthesis mode
Q. Respiration in Pseudomonas bacteria is ______? Answer: Aerobic
Q. Range of normal total lung capacity in humans is ______? Answer: 5-6 liter
Q. About 70% of the carbon dioxide is carried in blood as _____? Answer: Bicarbonate
Q. Insulin converts glucose into ______? Answer: Lipids
Q. According to endosymbiosis theory, flagella may have derived by the ingestion of prokaryotes similar to ______? Answer: Spirochete
Q. The idea of inheritance of acquired characteristics was presented by ______? Answer: Jean Baptist Lamarck
Q. Immediate next stage of spermatogonia differentiation is _______? Answer: Primary spermatocytes
Q. Which of the following is included in paired cranial bones? Answer: Temporal
Q. Which of the following skeletal disorder is an example of autoimmune disorder? Answer: Rheumatoid arthritis
Q. Which feature is possessed by smooth muscles? Answer: Uni-nucleate
Q. The accumulation of lactic acid in the muscles results in ______? Answer: Extreme fatigue
Q. Thick filaments in skeletal muscles are composed of ______? Answer: Myosin
Q. Sarcomere is part of myofibril between _____? Answer: Two Z lines
Q. Medulla Oblongata is a part of ______? Answer: Hind brain
Q. Which of the following is NOT a bone of upper limb? Answer: Femur
Q. The chromosomes were first observed by _______? Answer: Walther Flemming
Q. Which option is CORRECT about endospore? Answer: Endures extreme condition
Q. Bacteria divide at exponential rate during which growth phase? Answer: Log
Q. Mesosomes are the invagination of bacterial cell structure ______? Answer: Cell membrane
Q. Female reproductive system consists all of the following EXCEPT? Answer: Seminiferous tubules
Q. Which one of the following hormone is responsible for the labor pains in human female at the time of birth of baby? Answer: Oxytocin
Q. Fluid secreted by sertoli cells provides liquid medium, protection and nourishment to ______? Answer: Sperms
Q. Corpus luteum during female reproductive cycle produces ______? Answer: Progesterone
Q. Due to the process of follicle atresia _______? Answer: Follicle degenerates
Q. Main function of the epididymis is to ______? Answer: Transport sperms
Q. The formula calculating the frequency of genotypes and alleles in a population gene pool is known as? Answer: Hardy-Weinberg Equation
Q. Which of the following statements about natural selection is not true? Answer: It is selected by a breeder
Q. Identify the correct pair of vestigial organs? Answer: Ear Muscles & Vermiform appendix
Q. The change in frequency of alleles at a locus that occurs by chance is known as? Answer: Genetic Drift
Q. Chromosomal abnormality in Turner syndrome is represented by? Answer: XO
Q. Induced fit model of enzyme activity suggests that an enzyme ______? Answer: Can catalyze related reaction
Q. Which of the following statement is incorrect regarding rate of enzymatic action? Answer: Increase in enzyme concentration reduces the rate
Q. Which of the following belongs to chordates? Answer: Trout Fish
Q. Taste receptor is an example of ______? Answer: Chemo receptors
Q. Which of the following is NOT a feature of Autonomic Nervous System? Answer: Regulate response of skeletal muscles
Q. Depolarization during conduction of nerve impulse is due to _______? Answer: Inward movement of Na⁺
Q. Which of the following neurotransmitters is lying outside the central nervous system? Answer: Acetylcholine
Q. During non-conducting state, the neuron membrane is permeable to efflux of ______? Answer: K⁺
Q. Nissl’s granules are groups of ______? Answer: Ribosomes
Q. In human myelinated fibers nerve impulse travels at _______ meter per second. Answer: 100-120
Q. Posterior lobe of pituitary produce ______? Answer: Antidiuretic Hormone (ADH)
Q. The organelles only found at seeding stage in oil seed plants are _____? Answer: Glyoxiosomes
Q. The nucleus takes dyes due to the presence of ______? Answer: Chromatin
Q. ATP is best defined as _____? Answer: The molecule that releases energy when the phosphate molecule is removed
Q. The thoracic cavity separates from abdominal region by ______? Answer: Diaphragm
Q. The casparian strip is present in ______? Answer: Endodermis layer
Q. The example of carnivorous plant is ______? Answer: Dionaea muscipula
Q. The most abundant type of WBC that reach rapidly at the site of infection are ______? Answer: Neutrophils
Q. The system that drains back fluid from the body to the circulatory system is _____? Answer: Lymphatic system
Q. Which of the following is not a non-specific immune response? Answer: T Cells
Q. A bone that lies in between the skull & postcranial skeleton is _____? Answer: Hyoid bone
Q. Choose the correct flow of impulse transmission in the human heart? Answer: SA node → AV node → Bundle of His → Purkinje fibers
Q. All the living entities are created by God, the theory named as _____? Answer: Theory of special creation
Q. Use & disuse of the postulate of organs was given by ____? Answer: Lamarck
Q. The cells which do not secrete the antibodies? Answer: T lymphocytes
Q. All of the following are examples of polysynaptic transmissions except _____? Answer: Knee jerk
Q. Penicillin a kind of antibiotic which works as ______? Answer: Competitive inhibitor
Q. The oxygen transported through blood plasma is about _____? Answer: 3%
Q. Which statement about enzymes is essential to the lock & key hypothesis? Answer: Enzyme molecules each have distinct shape
Q. The flatworm, that’s the endoparasite of humans ______? Answer: Taenia
Q. Common characteristics of Hirudinaria are: 1. Setae & parapodia absent 2. Setae are present but parapodia absent 3. Blood suckers are present Answer: 1 & 3
Q. What are the true characteristics of class anthozoa? Answer: Mesoglea fibrous, polypoid forms only
Q. Which statement is correct about cnidarians? Answer: They kill the prey with the help of stinging cells
Q. Completes the life cycle in two hosts snail, sheep or man? Answer: Liver Fluke
Q. Nicotine stimulates heart rate, blood pressure, and muscular activity because ______? Answer: It has excitatory effects on acetylcholine receptors
Q. The pathway in which water & minerals are stopped by a casparian strip is known as _____? Answer: Apoplastic
Q. Which of the following helps in long term memory in humans? Answer: Hippocampus
Q. A disulphide bridge is found in which biomolecule? Answer: Protein
Q. The first stable product of light independent reaction having 3-carbons is ______? Answer: 3-phosphoglyceric acid
Q. A nerve impulse arriving at the axon terminal causes the opening of _______? Answer: Calcium channel
Q. Who receives stimuli and conducts impulse to the cell body? Answer: Dendrites
Q. The human brain is different from an animal’s brain due to ______? Answer: The cerebral cortex of the human brain is more developed.
Q. During photorespiration an acid glycolate is formed which is converted into glycine by ______? Answer: Peroxisome
Q. Cell membrane is selectively permeable due to ______? Answer: Proteins
Q. The layer of the plant cell wall formed at the time of cytokinesis is ______? Answer: Middle lamella
Q. A process by which one glycerol molecule is linked with three fatty acids by the esterification molecule is known as ______? Answer: Acylglycerol
Q. Cyclic phosphorylation is stimulated by ______? Answer: High level of NADPH
Q. Glycosidic linkage between glucose & fructose is ______? Answer: Alpha-1, Beta-2
Q. The property of water that is important to biological membrane stability is ____? Answer: Hydrophobic exclusion
Q. Following are viral diseases except: AIDS, Syphilis, Hepatitis, None of these Answer: Syphilis
Q. In Electron transport chain ultimate electron acceptor is _______? Answer: Oxygen
Q. The hypothalamus produces the signaling molecule like ______? Answer: Prostaglandin
Q. Erythrose is a type of monosaccharide which is commonly known as ______? Answer: Tetrose
Q. During the light-dependent phase of photosynthesis, the water molecule is broken down into ______? Answer: H⁺ ions, electrons and oxygen
Q. Which statement is correct about the glycolysis process? Answer: Net gain of 2 ATP molecules
Q. Viruses are called non-cellular infectious entities because _______? Answer: They cause infections, and can only replicate inside living cells
Q. Examples of reverse transcribing diploid single-stranded RNA viruses are ____? Answer: HIV
Q. A Russian scientist discovered that certain diseases could be transmitted by an agent that could pass through a very fine filter which is called ______? Answer: Viruses
Q. CD4 receptor site is found in all type of cells except _____? Answer: Brain cells
Physics
Q. The area under a velocity-time graph gives/represents ______? Answer: Displacement
Q. Electrical charge is measured in unit of _________? Answer: Coulomb
Q. What is the unit of measurement of Inductance? Answer: Henry
Q. The maximum height in projectile motion is achieved at which angle? Answer: 90 degrees
Q. A magnetic field exerts a force on a charged particle ______? Answer: If the particle is moving across the field lines
Q. The process of converting an alternating current waveform into a direct current waveform is referred to as _____? Answer: Rectification
Q. In circular motion, what is the direction of angular velocity and angular acceleration to each other? Answer: Parallel
Q. Three students X, Y, and Z are participating in a 100-meter race. If X is faster than Y, and Z runs faster than X, who will win? Answer: Z wins
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