This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 9501. |
Question : Read the following statements: A.scala media is also known as cochlear duct B.Scala vestibuli and scala media contain endolymph and perilymph respectively C.Enlarged bases of semicircular canals contain projecting ridges called cristae ampullaris D.Saccule and utricle are parts of otolith organ |
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Answer» FTTT |
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| 9502. |
Question : Read the following statements anf choose incorrect statement : (According to Mendel experiment) |
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Answer» MENDEL crossed tall and dwarf pea plant to study the inheritance of one gene known as MONOHYBRID cross. |
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| 9503. |
Question :Read the following statements and select the incorrect statement :- |
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Answer» The colonies of CYANOBACTERIA are generally SURROUNDED by gelatinous sheath |
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| 9504. |
Question : Read the following statements and select the incorrect statement :- |
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Answer» MEMBERS of KINGDOM FUNGI show a great diversity in morphology and habitat |
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| 9505. |
Question : Read the following statements and select the incorrect option w.r.t. kieselguhr (diatomaceous earth). [(a) It is a whitish non porous powder obtained on mining hard shells of diatomite., (b) It is rough and gritty., (c) It is used in filters in brewing industries and sugarcane refineries.,(d) It is used for making the sound proof houses., (e) It is added in paint to decrease night visibility.] |
| Answer» Answer :C | |
| 9506. |
Question : Read the following statements and select the correct option stating which one is true (T) and which one is false (F). ( A ) ABO grouping is based on the presence or absence of two surface antigens on leucocytes. ( B ) During first pregnancy there is least chance of occurrence of erythroblastosis foetalis due to Rh incompatibility. ( C ) During blood clotting, conversion of fibrinogen to fibrin occurs by action of enzyme thrombokinase. ( D ) All chordates prossess chambered, muscular, dorsal heart to pump blood throughout the body. |
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Answer» a(T), B(F), C(F), d(T) |
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| 9507. |
Question : Read the following statements and select the correct option stating which ones are true (T) and which ones are false (F) in metaphase I spindle fibre attaches to homologus chromosome white in metaphase II attaches to chromatids. Chromosome completely decondenese in telophase I. Blvalent is fromed at leptotene stage level become clearly visible in zygotene stage Diakinesis represents transition to metaphase I. |
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Answer» T-F-F-T |
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| 9508. |
Question : Read the following statements and select the correct option Statement A : Single large shield-shaped cotyledon of maize seed is called epiblast . Statement B:Coconut water from tender coconut is its free nuclear endosperm |
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Answer» Only statement A is INCORRECT |
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| 9509. |
Question : Read the following statements and select the correct option w.r.t cell theory. (i) All living organisms are composed of cells and products of cells. (ii) Viruses are exception to cell theory because they are cellular particles. (iii) All cells arise from pre-existing cells. (iv) Activities of an organisms are the outcome of sum total of activities and interactions of its constituent cells. (v) Rudolf Virchow gave final shape to cell theory. |
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Answer» All EXPECT (ii) |
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| 9510. |
Question : Read the following statements and select the correct option. Statement-l : Erythroblastosis foetalis occurs between Rh+ve mother and Rh-ve foetus after first pregnancy. Statement-ll : Erythroblastosis feotalis can be avoided by administering Rh antigens to mother immediately after delivery of first child in all cases. |
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Answer» Both STATEMENTS are correct |
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| 9511. |
Question : Read the following statements and select the correct option. Statement A : Only steroid hormones are able to cross the cell membrane and act via intracellular receptors. Statement B : Steroid hormones stimulate regulatory genes present on the chromosomes and thus regulate gene expression |
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Answer» Only STATEMENT A is INCORRECT |
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| 9512. |
Question : Read the following statements and select the correct option. Statement 1: The human small intestine is the longest portion in the alimentary canal. Statement 2: Absorption of digested food requires a very large surface area |
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Answer» Both STATEMENTS 1 and 2 are CORRECT and statement 2 is the correct explanation of statement 1. |
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| 9513. |
Question : Read the following statements and select the correct option Statement A : Crossing over leads to movement of gene from one linkage group to another linkage group . Statement B: The term linkage was coined by T.H. morgan . |
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Answer» Only A is correct Vegetative cell has large IRREGULARLY shaped nucleus. On the other HAND generative cell FLOATS in pollens shed at THREE called stage |
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| 9514. |
Question : Read the following statements and select the correct option. (i) Increase in metained months after industrialisation in Great Britain is a proof for natural selection. (ii) When more individuals of a population acquire a mean character value, it is called disruption. (iii) Changes in allelic frequency in a population will lead to Hardy-Weinberg equilibrium. (iv) Genetic drift changes the existing gene or allelic frequency in future generations. |
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Answer» Only II is correct. |
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| 9515. |
Question : Read the following statements and select the correct option. (I) E.coli cloning vector pBR322 have several restriction sites , ori , antibiotic resistance genes and rop. (II) Competent bacterial cells cannot take up foreign DNA. (III) In elution ,the separated bands of DNA are cut out fron agarose gel and extracted from the gel piece. (IV) The downstream processing and quality control testing vary from product to product . |
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Answer» All SENTENCES are CORRECT |
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| 9516. |
Question : Read the following statements and select the correct option: (a) Not all the colour components of the visible spectrum are available for marine plants living at different depths of the ocean. (b) Red light can reach the deepest. Blue light has poor penetrability. |
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Answer» (B) is CORRECT but (a) is FALSE. |
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| 9517. |
Question : Read the following statements and select the correct option: (a) Many species of herbs and shrubs growing in forests are adapted to photosynthesise optimally under very low light conditions. (b) Many plants are dependent on sunlight to meet their photoperiodic requirement for flowering. |
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Answer» Both (a) and (B) are TRUE. |
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| 9518. |
Question : Read the following statements and choose the correct option. (A) Increase in melanized moths after industrialization in Great Britain is a proof for natural selection. (B) When more individuals of a population acquire a mean character value, it is called disruption. (C )Changes in allelic frequency in a population will lead to Hardy-Weinberg equilibrium (D) Genetic drift changes the existing gene or allelic frequency in future generations |
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Answer» B ALONE is correct |
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| 9519. |
Question : Read the following statementsand select the correct option a) Gynosperms do not show xerophytic characters. b) In Cycas coralloid roots are associated with mycorrihiza c) In conifers needle like leaves reduce the surface area. D) All gymnosperms are heterosporous. |
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Answer» 2- correct, 2- incorrect |
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| 9520. |
Question : Read the following statements and select the correct option A. Damage to chordae tendinae of semilunar valves in aorta causes back flow of blood in left ventricle.B. Closure of atrio-ventricular valves during ventricular systole generates first heart sound, |
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Answer» Both STATEMENTS are correct |
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| 9521. |
Question : Read the following statements and select the correct option: (a) Age pyramids reflect the status of a population - whether it is growing, stable or declining. (b) Different age groups have different reproductive capabilities. |
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Answer» (B) is CORRECT but (a) is FALSE. |
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| 9522. |
Question : Read the following statements and select the correct option: (a) A population in which most individuals are in pre-reproductive age group is likely to grow rapidly in future. (b) Many individuals in that population will begin to reproduce soon. |
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Answer» (B) is CORRECT but (a) is FALSE |
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| 9523. |
Question : Read the following statements and select the correct ones. i) All vertebrates are capable of osmoregulation and thermoregulation. ii) Some species have evolved the ability to regulate, but only over a limited range of environmental conditions, beyond which they simply conform. iii)99 per cent of animals and nearly all plants can- not maintain a constant internal environment. - iv)Animals arc either perfect regulators or perfect conformers. |
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Answer» (i) and (II) |
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| 9524. |
Question : Read the following statements and mark the correct option- (i)Grana lamellae have both PS-I and PS-II, (ii) ph inside the thylakoid lumen decreases when H^+ gradient is established across thlakoid membrane, (iii) During reduction of NADP to NADPH + H^+ protons are removedfrom thylakoid lumen, (iv) Melvin Calvin used radioctive 14^C in a dicot plant to elucidate path of carbon in biosynthetic phase of photosynthesis. |
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Answer» (i) and (iii) are CORRECT |
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| 9525. |
Question : Read the following statements and select the correct ones. (i) Ahmed Khan, a plastic sack manufactturer of Bangalore, in 1998, developed polyblend, a fine powder of recycled modified plastic. (ii) In collaboration with RV College of Engineering and Bangalore City Corporation, he proved that the mixture of polyblend and bitumen was better for road carpeting as it had better water repellent property. (iii) By 2002, more than 40 km roads of Bangalore were laid with the help of Khan's mixture (iv) Rag pickers who used to get 0.40 per kg of plastic waste started getting 6.00 from Ahmed Khan. (v) INnovation like polyblend might help the modern society from being smothered with plastic waste. |
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Answer» (i), (II) and (III) |
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| 9526. |
Question : Read the following statements and find the number of CORRECT statements. P. Cancerous cells compete with normal cells for nutrients. Q. With repeated use of drugs, the tolerance level of the receptors present in our body increases. R. Cocaine enhances the action of the neurotransmitter dopamine. S. Cannabinoids are abused by sportspersons. |
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Answer» One |
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| 9527. |
Question : Read the following statements and identify correct sequence from the given codes T. kidney remove urea from blood and excrete it in urine P. Liver cells combine one molecule of CO_(2) with two molecules of NH_(3) using ATP, in the presence of carbomoyl phosphate synthetase enzyme. R. Arginine is broken into urea and ornithine in the presence of arginase. S. Carbamoyl phosphate reacts with ornithine to form citrulline. Q. Cirtullinc combines with another molecule of ammonia to form arginine. |
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Answer» <P>`P to Q to R to S to T` |
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| 9528. |
Question : Read the following statements and find the suitable option :- (I)Generally petals are green, leaf like and protect the flower in the bud stage. (ii)Generally sepals are brightly coloured to attract insects for pollination. (iii)If stamens in a flower remain free (no cohesion) this is called polyandrous. (iv) Each ovary bears one or more ovules attached to a flattened, cushion like placenta. |
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Answer» a, B and d are true but C and e are FALSE |
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| 9529. |
Question : Read the following statements and find out the incorrect statement. a. Though the genotypic ratios can be calculated using mathematical probability, by simply looking at the phenotype of recessive trait, it is not possible to know the genotypic composition. The 1/4 : 1/2 : 1/4 ratio of TT : Tt : tt is mathematically condensable to form of the binomial expression (ax + by)^(2), that has the gametes bearing genes T and tin equal frequency of 1/2. c. Based on his observations on dihybrid crosses Mendel proposed two rules that are called Principles or Laws of Inheritance : the First Law or Law of Dominance and the Second Law or Law of Segregation. d. If in test cross, all the progenies shows dominant trait then the unknown parent is heterozygous dominant. e. ABO blood group controlled by three alleles I^(A), I^(B) " and i. "I^(A) " and " I^(B) produce a slightly different type of the sugar while allele i doesn't produce any sugar. |
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Answer» a, c and d Based on his observation on monohybrid crosses Mendel proposed two rules that are called Principles or laws of Inheritance: the First Law or Law of Dominance and the Second Law or Law of Segregation. If in test cross, all the PROGENIES shows dominant trait then the unknown parent is homozygous dominant. |
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| 9530. |
Question : Read the following statements and find out the INCORRECT statement for a cockroach. |
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Answer» The blood (haemolymph) is composed of colourless plasma and haemocytes |
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| 9531. |
Question : Read the following statements and find out the incorrect one. |
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Answer» `49%` of DRY weight of ORGANISMS is taken up by carbon, which is next to water |
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| 9532. |
Question : Read the following statements and find out the correct statements. The sex determination in honey bee is based on the number of sets of chromosomes an individual receives. An offspring formed from the union of a sperm and an egg develops as a female (queen or worker), and an unfertilized egg develops as a male (drone) by means of parthenogenesis. The females are diploid having 32 chromosomes and males are haploid, i.e., having 16 chromosomes. This is called as haplo-diploid sex-determination system and has special characteristic features such as the males produce sperms by mitosis they do not have father and thus cannot have sons, but have a grandfather and can have grandsons. |
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Answer» a and b An offspring formed from the union ofa sperm and an egg develops as a female (queen or worker), and an unfertilized egg develops as a male (drone) by means of parthenogenesis. The females are diploid having 32 chromosomes and males are haploid, i.e., having 16 chromosomes. This is called as haplo-diploid sex determination SYSTEM and has special CHARACTERISTIC FEATURES such as the males produce SPERMS by mitosis they do not have father and thus cannot have sons, but have a GRANDFATHER and can have grandsons. |
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| 9533. |
Question : Read the following statements and find out incorrect statements : |
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Answer» DNA EXIST a double helix structure |
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| 9534. |
Question : Read the following statements and fill up the blanks with correct option. (i) Total soil water content in soil is called _____ (ii) Soil water not available to plants is called. _____ (iii) Soil water available to plants is called. _____ |
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Answer» `{:("(i)","(II)","(iii)"),("HOLARD","ECHARD","CHRESARD"):}` |
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| 9535. |
Question : Read the following statements and choose the option with incorrect statements. (a) Restriction enzymes are obtained from prokaryotes. (b) Restriction endonucleases cut DNA strands by breaking hydrogen bonds at specific points. (c) More than 230 restriction enzymes have been isolated from more than 900 strains of bacteria. (d) Each restriction enzyme recognizes a specific palindromic nucleotide sequence in DNA. |
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Answer» (a) and (B) |
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| 9536. |
Question : Read the following statements and choose the correct statements. A. Cilia and flagella are covered with plasma membrane. B. Centrioles form the basal body of both cilia as well as flagella.C. Approximately 2 m long thread of DNA is distributed among 46 pairs of chromosomes in a single human cell. D. Movement of proteins and RNA into or out of nucleus occurs through nuclear pores. |
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Answer» A, B, & D |
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| 9537. |
Question : read the following statements and choose the option which is the set of correct statements. (a) sun is the source of energy for grazing food chains. (b) in aquatic ecosystem, DFC is the major conduit of energy flow (c) some organism of DFC prey to GFC animals. (d) ecosystem can support unlimited number of trophic levels. (e) waves provide stability to the ecosystem |
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Answer» B,C and E |
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| 9538. |
Question : Read the following statements and choose the correct option Statement A : Maximum life span is the characteristic of species Statement B : Life expectancy is the characteristics of a population |
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Answer» Both statements are inccorect Maximum life span is the maximum number of years survived or the greatest AGE reached by any member of a particular species . Life expectancy, the number of years an individual can expect to liver for , is based on average life span . |
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| 9539. |
Question : Read the following statements and choose the correct option w r t catecholamines (a) Water soluble hormones which interact with the membrane bound receptors (b) Work through second messenger (c) Binds to external domain of the extracellular receptor present on cell surface (d) They form hormone-receptor complex on the cell surface |
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Answer» a and B only |
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| 9540. |
Question : Read the following statements and choose the correct option w.r.t. true and false statements. (a) Sensory ganglion concerned with spinal reflex arc is located in ventral root of spinal cord. (b) Spinal accessory and hypoglossal nerves are not cranial nerves in frog. (c) Parasympathetic ganglia lie near or within the visceral organs. (d) Sympathetic nerve fibres constitute the thoracico-lumbar outflow |
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Answer»
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| 9541. |
Question : Read the following statements and choose the correct option . Statement A: As the sperm head comes in contact with the ovum membrane , it causes opening of Na^+ channels to cause depolarisation Statement B : Cortical reaction and zona reaction constitute slow block to check polyspermy. |
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Answer» Both statements are correct During fertilization a part of sperm enters into cytoplasm of ova. `Ca^(2+)` influx causes extrusion of cortical granules (cortical reaction) and ZONA reaction which makes the zona pellucida impervious to other sperms by destroying sperm receptors, LEADING to slow block to CHECK polyspermy |
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| 9542. |
Question : Read the following statements and choose the correct option. Statement1 : Coconut fruit develops from monocarpellary superior ovary and is one seeded. Statement2 : In drupe type of fruits, endocarp is stony. |
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Answer» Only STATEMENT 1 is correct |
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| 9543. |
Question : Read the following statements and choose the correct option. (A) Osmotic pressure is equivalent to the osmotic potential but the sign is opposite. (B) During plasmolysis water is first lost from the vacuole then from the cytoplasm. (C) The process of plasmolysis is usually reversible |
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Answer» Only A is CORRECT |
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| 9544. |
Question : Read the following statements and choose the correct option Statement-1 : Atria receive blood from all parts of the body which subsequently flows to ventricles. Statement-2 : Action potential generated at sino-atrial node passes from atria to ventricles. |
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Answer» Action mentioned in Statement-1 is DEPENDENT on action mentioned in Statement-2. |
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| 9545. |
Question : Read the following statements and choose the correct ones A.Increase in length of a plant organ againt time gives sigmoid curves B. Incase of microorganisms showing geometric growth, all the daughter cells divide C. Environmental factors like light and gravity affects different stages of growth of plants. D. A tree showing seasonal activities doesnot show a typical S-shaped curve. |
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Answer» A,B & C are correct |
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| 9546. |
Question : Read the following statements and choose the correct option. (a) Nitrogenous base is linked to the pentose sugar through a N-glycosidiclinkage. (b) phosphate group is linked to 5^' -OH of a nucleoside through phosphester linkage. [c) Two nucleoside are linked through 3^'-5^' N-glycosidic linkage. (d) Negatively charged DNA is wrapped around positively charged histone octamer to form nucleosome. (e) The chromatin that is more densely packed and stains dark is called euchromatin. |
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Answer» Nitrogenous base is linked to the pentose sugar through a N-glycosidic linkage |
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| 9547. |
Question : Read the following statements and choose the correct option. 1. RNA polymerase associates transiently with 'Rho' factor to initiate transcription. 2. In bacteria transcription and translation takes place in the same compartment 3. RNA polymerase I is responsible for transcription of tRNA 4. When hnRNA undergoes capping process, adenylate residues are added at 3' end in a template independent manner. 5. hnRNA is precursor of mRNA |
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Answer» 2 and 5 only are correct `**""`RNA polymerase III is responsible for transcription of TRNA. `**""`When hnRNA undergoes tailing process, adenylate residues are added at `3'` end in a template INDEPENDENT MANNER |
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| 9548. |
Question : Read the following statements and choose the correct ones. A. Light always inhibits seed germination. B. Optimum temperature for seed germination is 10-15degC. C. Photoperiodism and vernalisation both are main phenomenon involved in flowering. D. Vernalisation can shortens the period between germination and flowering. |
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Answer» A and B |
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| 9549. |
Question : Read the following statements and choose the correct ones---(A) Diffusion is a slow process and is dependent on a living system. (B) Diffusion of substances with hydrophilic moiety is facilitated by membrane proteins. (C) Facilitated diffusion causes net transport of molecules from a low to a high concerdration. (D) Saturations may be achieved in both facilitated dffusion as well as active transport . |
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Answer» (A) & (B) |
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| 9550. |
Question :Read the following statements and choose the correct ones. A. Carotenoids protect chlorophyll a from photo-oxidation. B. Dark reactions are not directly light driven. C. Chlorophyll a molecule shows maximum absorption in red and blue regions of the visible spectrum of light. D. Light harvesting complexes are composed of hundreds of pigment molecules bound to lipids only |
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Answer» A, B & C |
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