InterviewSolution
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InterviewSolution
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.
| 51. |
Which of the following elements will have the highest electron affinity?(a) Chlorine(b) Nitrogen(c) Phosphorus(d) Flourine |
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Answer» Correct option (a) Chlorine Explanation: In general, electron affinity decreases down the group. But due to inter-electronic repulsions in small sized F-atom, chlorine has larger E.A., than that of F. |
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| 52. |
Where the botanical name of plants is labeled? (A) Sanctuary (B) National park (C) Botanical garden (D) All above |
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Answer» (C) Botanical garden |
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| 53. |
State True or False:The viral genome gets integrated with host DNA in lytic phase of reproductive cycle of virulent phages. |
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Answer» False : The viral genome gets integrated with host DNA in lysogenic phase of reproductive cycle of virulent phages. |
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| 54. |
Pick out the correct statements (A) Animal fossil specimens are collected in the museum only (B) Zoological parks are being run and managed by both private and government organizations (C) Flora and fauna of various geographical regions can be prepared through animal taxonomic study (D) Plants from other regions are grown in botanical garden for identification purpose (a) A and C (b) B and D (c) A, C and D (d) A and D |
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Answer» The Correct option is (b) B and D |
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| 55. |
Assertation (A) Herbarium is a store house of plant specimens collected from different localities Reason (R) In Herbaria, specimens are preserved in specific methods (A) A and R both are true and R is correct explanation of A (B) A and R both are true and R is not correct explanation of A (C) If A is true and R is wrong (D) If A is wrong and R is true |
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Answer» (A) A and R both are true and R is correct explanation of A |
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| 56. |
Assertion : Consciousness is considered as the defining property of living organisms. Reason: All organisms, from the prokaryotes to the most complex eukaryotes can sense and respond to environmental stimuli.(a) Both A and R are true and R is the correct explanation of A.(b) Both A and R are true but R is not correct explanation of A(c) A is true but R is false(d) A and R are false |
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Answer» The correct option is: (a) Explanation: Consciousness is awareness of the suror.rndings and responding to external stimuli. The external stimuli can be physical, chemical or biological. All organisms, from primitive prokaryotes to most advanced and complex eukaryotes are able to sense and respond to environmental factors. Consciousness is thus said to be the defining property of living organisms. |
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| 57. |
Which of the following is the correct scientific name of wheat derived by binominal nomenclature?(a) Triticum Vulgare (b) Triticum aestivum(c) Oryza sativa (d) Zea mays |
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Answer» Triticum aestivum the correct scientific name of wheat derived by binominal nomenclature. |
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| 58. |
Which of the following is correctly matched without exception in regard to plant classification?(a) FamilyPoaceae- ae(b) DivisionPteridophyta - phyta(c) ClassBryopsida - sida(d) GenusSolanum - um |
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Answer» The correct option is: (a) Family - Poaceae- ae Explanation: All plant families end with -ae suffix. However, it differs for division, class and genus. |
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| 59. |
Which of the following statements regarding the Class Phycomycetes is correct? (a) These are found in aquatic habitats and on decaying wood in moist and damp places or as obligate parasites on plants. (b) Mycelium in these fungi is aseptate and coenocytic. (c) Asexual reproduction occurs by motile zoospores and by non-motile aplanospores. (d) All of these. |
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Answer» (d) All of these. |
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| 60. |
Which of the following statements is incorrect? (a) Pathogenic bacteria cause 90% of human diseases. (b) A large number of antibiotics are produced by Actinomycetes (e.g, Streptomyces), which are a Class of Fungi. (c) N2-fixing bacteria pick up free N2 from soil atmosphere and convert it into nitrogenous compounds. (d) Archaebacteria differ from other bacteria in having a different cell wall structure and this feature is responsible for their survival in extreme conditions |
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Answer» (b) A large number of antibiotics are produced by Actinomycetes (e.g, Streptomyces), which are a Class of Fungi. |
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| 61. |
State True or False:Classification based on evolutionary relationships of organisms is called phylogenetic system of classification |
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Answer» Classification based on evolutionary relationships of organisms is called phylogenetic system of classification: True, |
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| 62. |
Five kingdoms of Whittaker were based on.(a) nutrition (b) structural complexity (c) ecological role (d) all of these. |
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Answer» (d) all of these. |
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| 63. |
State True or False:Bacteria perform anoxygenic photosynthesis whereas cyanobacteria perform oxygenic photosynthesis. |
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Answer» Bacteria perform anoxygenic photosynthesis whereas cyanobacteria perform oxygenic photosynthesis: True. |
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| 64. |
Protista differs from monera in having(a) cell wall(b) autotrophic nutrition(c) flagella(d) nuclear membrane |
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Answer» The correct option is: (d) nuclear membrane Explanation: All single-celled eukaryotes are placed under protista. Phylogenetically the kingdom Protista acts as a connecting link between the prokaryotic Kingdom - Monera and the complex multicellular Kingdoms - Fungi, Plantae and Animalia. Being eukaryotes, the protistan cell body contains a well defined nucleus and other membrane-bound organelles. It is surrounded by plasmalemma (cell membrane). Cilia and flagella occur in a number of forms. Nucleus has typical structure - porous nuclear envelope chromatin, nucleolus and nucleoplasm. Monerans lack nuclear membrane. |
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| 65. |
Read the following statements regarding archaebacteria and select the incorrect option. (a) Halophiles give offensive smell and undesirable pigmentation to the salt. (b) Archaebacteria are employed in the production of gobar gas. (c) Branched-chain amino acids help thermoacidophiles to tolerate high temperature. (d) Both (a) and (c). |
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Answer» (c) Branched-chain amino acids help thermoacidophiles to tolerate high temperature. |
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| 66. |
Match Column I with Column II.Column I Column IIA. Nostoc(i) Death capB. Giardia (ii) Star jellyC. A. phalloides (iii) The spindle organismD. Euglena(iv) Grand old man of intestine |
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Answer» A-(ii), B-(iv), C-(i), D-(iii) |
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| 67. |
Bacteria are grouped under four categories according to their shape. Study the given figures and select the correct option regarding this. A B C D(a) Cocci Bacilli Spirilla Vibrio (b) Spirilla Bacilli Vibrio Cocci (c) Bacilli Spirilla Vibrio Cocci (d) Bacilli Spirilla Cocci Vibrio |
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Answer» (c) Bacilli Spirilla Vibrio Cocc. |
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| 68. |
Match the Column I with Column II. (There can be more than one match for items in column I.)Column I Column IIA. Tobacco Mosaic Virus(i) Nitrogen fixing cyanobacteria B. Anabaena (ii) BioluminescenceC. Gonyaulax (iii) Soft rot of appleD. Rhizopus (iv) ssRNAE. Paramecium (v) Prevent growth of mosquitoes (vi) Slipper animalcule (vii) Alcoholic fermentation (viii) 2130 capsomeres (ix) Red tide (x) Cyclosis |
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Answer» A-(iv, viii), B-(i, v), C-(ii, ix), D-(iii, vii), E-(vi, x) |
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| 69. |
A horticulturist used certain bacteria X to cure off the bitterness of leaves of tea and tobacco. Name the bacteria X. (a) Pseudomonas fluorescence (b) Bacillus megatherium (c) Clostridium butylicum (d) Acetobacter aceti |
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Answer» (b) Bacillus megatherium |
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| 70. |
Assertion : Aquaspirillum magnetotacticum contains magnetosomes. Reason : Magnetosomes help the bacteria to orientate themselves along geomagnetic lines.(a) If both A and R are true and R is the correct explanation of A (b) If both A and R are true but R is not the correct explanation of A (c) If A is true but R is false (d) If both A and R are false. |
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Answer» (b) If both A and R are true but R is not the correct explanation of A |
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| 71. |
Assertion : Chemotaxonomy is based on comparative cytological studies. Reason : Lineage can be traced with the help of chromosomal studies.(a) If both A and R are true and R is the correct explanation of A (b) If both A and R are true but R is not the correct explanation of A (c) If A is true but R is false (d) If both A and R are false. |
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Answer» (d) If both A and R are false. |
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| 72. |
Assertion : Some protists are often known as armoured dinoflagellates. Reason : Sculptured plates are present in these protists.(a) If both A and R are true and R is the correct explanation of A (b) If both A and R are true but R is not the correct explanation of A (c) If A is true but R is false (d) If both A and R are false. |
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Answer» (a) If both A and R are true and R is the correct explanation of A |
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| 73. |
Assertion : Rhizomorphs pass the unfavourable periods in dormant stage. Reason : Rope-like twisted subterranean masses of hyphae are seen in Rhizomorphs.(a) If both A and R are true and R is the correct explanation of A (b) If both A and R are true but R is not the correct explanation of A (c) If A is true but R is false (d) If both A and R are false. |
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Answer» (b) If both A and R are true but R is not the correct explanation of A |
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| 74. |
Read the given passage and correct the errors, wherever present. Slime moulds are parasitic protists. They live usually amongst flourishing vegetation. The chief mode of nutrition is parasitic. Under suitable conditions, they form an aggregation called paramylum which spread over several feet. The spores lack true walls. The spore germinates to produce a single naked Amoeba like cell called microcyst. |
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Answer» Slime moulds are parasitic saprophytic protists. They live usually amongst flourishing decaying vegetation. The chief mode of nutrition is parasitic saprophytic. Under suitable conditions, they form an aggregation called paramylum plasmodium which spread over several feet. The spores lack possess true walls. The spore germinates to produce a single naked Amoeba like cell called microcyst myxamoeba. |
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| 75. |
Complete the given passage with appropriate words or phrases. Virus is a/an (i) parasite which is inert outside the host cell. An inert virus is called (ii) . Three architectural forms are found in viruses : (iii) , (iv) and (v) . A virus is a (vi) and the genetic material is (vii) . In general, viruses that infect plants have (viii) and viruses that infect animals have (ix) . The protein coat is made up of small subunits called (x) that protects the nucleic acids. |
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| 76. |
Find the correct statements for the following (A) The mission of museum is preserve cultuaral heritage (B) Ex-situ conservation had been done in Zoological Park (C) In-situ conservation had been done in Zoological Park (D) Breeding of extinct species(a) A,B,C (b) A,B,D (c) B,C,D (d) A,C,D |
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Answer» The Correct option is (b) A,B,D. |
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| 77. |
Find the correct statements for the following (A) Botanical Garden provide classification Interrelation (B) Gene diversity improve in Botanical Garden (C) Endangered plants are protected in Botanical Garden (D) New varieties are developed through hybridization in Botanical Garden (a) A,B,C (b) B,C,D (c) A, B, D (d) A, C, D |
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Answer» The Correct option is (d) A, C, D |
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| 78. |
Which of the following statement are correct? (A) The mission of museum is to preserve biological diversity and cultural heritage (B) Several major botanical gardens of the world have museum and zoological parks as an integral part of their facilities (C) Botanical garden is a stare house of plant specimen collected from different localities (D) New varities are developed through grafting, tissue culture, cloning and hybridization in botanical garden (a) Only B (b) A and D only (c) B and C only (d) C and D only |
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Answer» (b) A and D only |
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| 79. |
Assertion : The first ionisation energy of aluminium is lower than that of magnesium.Reason : The ionic radius of aluminium is smaller than that of magnesium(a) Both A and R are true and R is the correct explanation of A (b) Both A and R are true but R is not correct explanation of A (c) A is true but R is false (d) A and R are false |
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Answer» Correct option (b) Both A and R are true but R is not correct explanation of A Explanation: The elements of group III have ns2 np1, configuration. Since p-electrons are held less tightly than s-electrons. The first IE of group III element is low as compared to the first IE of alkaline earth metal. |
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| 80. |
The first ionisation enthalpy of Na, Mg and Si are 496, 737 ,776 kJ/mol respectively. What will be the first ionisation enthalpy potential of Al in kJ/mol?(a) > 766 kJ/mol(b) > 496 and < 737 kJ(c) >737 and < 766 kJ/mol(d) > 496 kJ/mol |
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Answer» Correct option (b) > 496 and < 737 kJ Explanation: The ionisation enthalpy of Al is lower than that of Mg as 3p1 electron of Al is easier to remove than to remove an electron from fully-filled 3s-orbital of Mg. |
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| 81. |
Assertion (A) Energy transformation also takes place in metabolism in living organism. Reason (R) Organism have to perform many biological activities. (A) A and R both are true and R is a correct explanation of A (B) A and R both are true and R is not a correct explanation of A (C) A is true and R is wrong (D) A is wrong and R is true |
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Answer» (A) A and R both are true and R is a correct explanation of A |
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| 82. |
The smallest unit of classification is ..........(A) species (B) sub-species (C) class (D) genus |
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Answer» The smallest unit of classification is species. |
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| 83. |
Which is the first step of taxonomy ? (A) nomenclature (B) classification (C) identification (D) hierarchical arrangement |
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Answer» (C) identification |
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| 84. |
In taxonomy, class comes in between ..........(A) kingdom and order (B) phylum and order (C) kingdom and family (D) family and genus |
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Answer» (B) phylum and order |
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| 85. |
Assertion (A) If the ratio of anabolic process is more than catabolic process, growth occurs Reason (R) Growth is an out-put of metabolism. (A) A and R both are true and R is a correct explanation of A (B) A and R both are true but R is not a correct explanation of A (C) A is true and R is wrong (D) A is wrong and R is true |
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Answer» (B) A and R both are true but R is not a correct explanation of A |
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| 86. |
Huxley is a father of which systematic ?(A) new systematic (B) artificial systematic (C) evolutionary systematic (D) natural systematic |
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Answer» (A) new systematic |
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| 87. |
True name is .......... (A) APls Indica (B) mangifera Indica (C) mangifera Indica(D) Mangifera indica |
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Answer» True name is Mangifera indica. |
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| 88. |
Assertion (A) Organism must be given two names. Reason (R) Species name must be written in small letter. (A) A and R both are true and R is a correct explanation of A (B) A and R both are true and R is not a correct explanation of A (C) A is true and R is wrong (D) A is wrong and R is true |
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Answer» (A) A and R both are true and R is a correct explanation of A |
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| 89. |
Match the following with correct combinationColumn-1 Column-2(A) Natural History Museum(a) France(B) Government Museum(b) Mumbai(C) Zoological Survey of India (c) Cheenai(D) Museum of Natural History(d) Kolkata(a) A-a, B-c, C-b, D-d (b) A-d, B-c, C-a, D-b (c) A-b, B-c, C-d, D-a (d) A-d, B-b, C-a, D-c |
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Answer» (c) A-b, B-c, C-d, D-a |
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| 90. |
A group of interconnected genera is called .......... (A) Family (B) order (C) Phylum (D) Class |
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Answer» A group of interconnected genera is called Family. |
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| 91. |
In your opinion, which is the most effective way to conserve the plant diversity of an area? (A) By creating biosphere reserve (B) By creating botanical garden (C) By developing seed bank (D) By tissue culture method |
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Answer» (A) By creating biosphere reserve |
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| 92. |
Who coined the term ‘taxonomy’ ?(A) Candolle (B) Waksman (C) Leuwenhoek (D) Louis Pasteur |
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Answer» (A) Candolle |
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| 93. |
Match the following with correct combinationColumn-1Column-2(A) Central National Herbarium(a) Paris(B) Herbarium of forest Research Institute(b) Kolkata(C) British Museum of Royal Botanical Garden(c) Dehradoon(d) England(a) A-b, B-c, C-d (b) A-c, B-d, C-a (c) A-a, B-b, C-c (d) A-b, B-d, C-a |
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Answer» (a) A-b, B-c, C-d |
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| 94. |
One of the most important functions of botanical garden is that——(A) One can observe tropical plants here (B) They allow ex-situ conservation of germ plasm (C) They provide the natural habitat for wild life (D) They provide a beautiful area for recreation |
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Answer» (B) They allow ex-situ conservation of germ plasm |
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| 95. |
In classification the category below the level of family is .........(A) class (B) species (C) phylum (D) genus |
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Answer» In classification the category below the level of family is genus. |
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| 96. |
Basic unit of classification of organisms is .....(A) species (B) population (C) class (D) family |
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Answer» Basic unit of classification of organisms is species. |
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| 97. |
The total words in binomial nomenclature are ........(A) 5 (B) 3 (C) 2 (D) 4 |
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Answer» The total words in binomial nomenclature are 2. |
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| 98. |
The correct sequence of taxonomic categories is .......... (A) class-phylum-tribe-order-family-genus-species (B) phylum-order-class-tribe-family-genus-species (C) division-class-order-family-tribe-genus-species (D) division-class-family-tribe-order-genus-species |
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Answer» (C) division-class-order-family-tribe-genus-species |
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| 99. |
Assertion (A) Group of genera which are closely related is called family. Reason (R) Blattidae is a family which contain pigeons and doves having different genera and species. (A) A and R both are true and R is a correct explanation of A (B) A and R both are true and R is not a correct explanation of A (C) A is true and R is wrong (D) A is wrong and R is true |
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Answer» (C) A is true and R is wrong |
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| 100. |
One of the largest herbarium is located in——(A) Kew (B) Geneva (C) Berlin (D) Sweden |
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Answer» One of the largest herbarium is located in Kew |
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