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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.
| 201. |
What is improvement operation in forest management ? |
| Answer» Removal of noncommercial trees, old drying trees, damaged by storm and animals, diseased trees and crooked trees from the forest. | |
| 202. |
Assertion : Improvement cutting is an important practice in forest management. Reason : If provides space for growing new healthy trees.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. |
| Answer» Correct Answer - A | |
| 203. |
Which one of the following is not a correct statement?A. Botanical gardens have collection of living plants for reference.B. A musecum has collection of photographs of plants and animalsC. Key is a toxonomic aid for identification of specimens.D. Herbarium hourses dried, pressed and preserved plant specimens. |
| Answer» Correct Answer - b | |
| 204. |
At present the most significant cause of dwindling biodiversity is probably:A. global warmingB. the destruction of habitatC. the deterioration of ozone layerD. biological magnification of DDT |
| Answer» Correct Answer - B | |
| 205. |
The term 'the evil quartet' is related with four major causes ofA. Loss of biodiversityB. Loss of standing cropC. Loss of alien speciesD. Loss of climax community |
| Answer» Correct Answer - A | |
| 206. |
The Evil Quartet represents the major causes ofA. Soil pollutionB. Inbreeding depressionC. Biodiversity lossesD. Air pollution |
| Answer» Correct Answer - C | |
| 207. |
Define gene pool. |
| Answer» Gene pool refers to the sum total of all genes of every individual in an inbreeding population. | |
| 208. |
Define the terms (i) Bioprospecting (ii) Endemism |
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Answer» (i) Bioprospecting is a term that describes the process of discovery and commercialisation of new products based on biological resources. (ii) Endemism refers to presence of some species in particular regions only and now here else. |
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| 209. |
Which one is correct pair ?A. Nagarjuna Sagar Sanctuary - Andhra PradeshB. Periyar Santuary-KarnatakaC. Gir National Park - Uttar PradeshD. Corbett National Park - Madhya Pradesh. |
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Answer» Correct Answer - A |
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| 210. |
Nepanthes, Podophyllum and Rauwolfia areA. Endangered speciesB. Insectivorous formsC. Space parasitesD. Medicinal plant |
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Answer» Correct Answer - A Nepanthes, Podophyllum and Roulwofia are endangered species. |
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| 211. |
National Wildlife (Protection) Act was formulated duringA. 1972B. 1974C. 1976D. 1978 |
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Answer» Correct Answer - A National Wildlife (Protection) Act was formulated during 1972. |
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| 212. |
National Wildlife (Protection) Act was formulated duringA. 1972B. 1981C. 1986D. 1991 |
| Answer» Correct Answer - a | |
| 213. |
Anumber of natural have been created to conserve specific wildlife species. Identify the correct combination from the followingA. Gir-LionB. Sariska -TigerC. Sunderban -RhinoD. Kaziranga - Musk deer |
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Answer» Correct Answer - C Rann of kutch is situated in gujarat and provides protection mainly to wild ass,whereas musk deers are mainly protected in kedarnath sanctuary. Gir is famous for asiatic lions. Kaziranga is famous for one-horned rhinoceros. |
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| 214. |
MAB stands for :A. Man and biology programmeB. Man and biosphere programmeC. Mammals and biosphereD. Mammals and biology programme |
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Answer» Correct Answer - B Man and biosphere (MAB) programme was formally launched by UNESCO in 1971. it is an interdisciplinary programme of research and training with emphasis on ecological approach to the study of inter-relationship between man and his environment. |
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| 215. |
MAB stands for :A. Mammals And BiosphereB. Man And Biology programmeC. Man And Biosphere programmeD. Mammals And Biolgy programme |
| Answer» Correct Answer - C | |
| 216. |
What for the abbreviations ZSI and IBWlL stand ? |
| Answer» Zoological Survey of India, Indian Board of Wild Life. | |
| 217. |
When was "Man and Biosphere" programme launched by the UNESCO ?A. 1971B. 1986C. 1965D. 1968 |
| Answer» Correct Answer - A | |
| 218. |
What for the abbreviations UNESCO and MABP stand ? |
| Answer» United Nations Educational , Sceintific and Cultural Organization, Man and Biosphere Programme. | |
| 219. |
Which of the following represent maximum number of species among global biodiversityA. LichensB. FungiC. Mosses and FernsD. Algae |
| Answer» Correct Answer - B | |
| 220. |
Which of the following has maximum genetic diversity in India?A. WheatB. MaizeC. MangoD. Carrot |
| Answer» Correct Answer - C | |
| 221. |
The species diversity of plants on earth will beA. `2.4%`B. `22%`C. `8.1%`D. `85%` |
| Answer» Correct Answer - B | |
| 222. |
The distribution of species diversity on earth may be best described asA. It is uniformity distributedB. It is highest in tropicsC. It is highest in polar regionsD. It is highest in Southern hemisphere and lowest in Northern hemisphere |
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Answer» Correct Answer - B With very few exceptions tropics (latitudinal range of `23.5^(@)N` to `23.5^(@)S`) harbour more species than temperate of polar areas. |
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| 223. |
In which of the following categories of protected area, humans have minimal traditional rights?A. Biosphere ReservesB. National ParksC. Wildlife SanctuariesD. Weltands under Ramsar Convention |
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Answer» Correct Answer - B Cultivation, grazing and habitat manipulation are not allowed. In National park no human acticity is allowed. |
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| 224. |
When did India sign CBD ? List three goals of CBD. |
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Answer» India signed CBD in May, 1994. Three goals of CBD are - (i) Conservation of biological diversity, (ii) Sustainable use of biodiversity, and (iii) Equal and fair sharing of benefits by utilizing genetic resources. |
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| 225. |
Why is india called a magadiversity centre ? |
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Answer» (i) It is rich in endemic flora and fauna. (ii) It has diversified biogeographical regions providing in numerous microhabitats for the species. (iii) It has 104 national parks, 544 wildlife sanctuaries, 18 bio-sphere reserves, 6 Wetlends and 5 World heritage sites for the conservation of plants, animals etc. |
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| 226. |
Write one advantage and one disadvantage of cleistogamyi to flowering plants. |
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Answer» Advantage : It ensures self pollination and ensures seed production. Disadvantage : Less chances of the production of new species and varieties. |
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| 227. |
Why do higher oranisms shift to sexual mode of reproduction is spits of these being complex? |
| Answer» Higher organisms shift asexual mode of reproduction to overcome unfavourable conditions of growth. | |
| 228. |
The map given below indicates the former and the present distribution of an animal. A. Wild assB. NilgaiC. Black buckD. Lion |
| Answer» Correct Answer - A | |
| 229. |
World Wild Life Week isA. First week of SeptemberB. First week of OctoberC. Third week of OctoberD. Last week of October |
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Answer» Correct Answer - B Wild life week is celebrated on Monday of first week of October. |
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| 230. |
Red data book provides data onA. Red flowered plantsB. Red coloured fishesC. Endangered plants and animalsD. Red eyed birds |
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Answer» Correct Answer - C The list of endangered species of plants and animals is given in Red Data Book. |
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| 231. |
What is common to Lantana, Eichornia and African catfish ?A. All are key stone speciesB. All are mammals found in IndiaC. All are endengered species of IndiaD. All the species are neither threatened nor indigenous species of India |
| Answer» Correct Answer - D | |
| 232. |
Which one is endangered member of floraA. Drosera IndicaB. One horned RhinoC. Flying SquirrelD. None of the above |
| Answer» Correct Answer - A | |
| 233. |
The extinction of passenger pigeon was due toA. Increased number of predatory birdsB. Over exploitation by humansC. Non-avilability of the goodD. Bird flu virus infection |
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Answer» Correct Answer - B Extinction of passenger pigeon (Ectopistes migratorius) was due to over exploitation by human being. Factors like increase in number of predatory birds, non-availability of food and bird flu virus inflection did not contribute to the extinction of passenger pigeon. |
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| 234. |
Bandipur National Park is associated with :A. TigerB. deerC. elephantsD. rhinoceros |
| Answer» Correct Answer - A | |
| 235. |
Why should killing wild animals be regarded unethical ? |
| Answer» A species once lost is gone for ever. No species should disappear in our children will inherit what we leave for them. | |
| 236. |
Assertion : Domesticated animals and cultivated plantes are not included in wild life. Reason : They flourish only under humber care.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. |
| Answer» Correct Answer - A | |
| 237. |
What is Red Data Book ? |
| Answer» Red Data Book is a compilation of data or records of species threatened with risk of extinction (which are known to be endangered). The book is maintained by IUCN (headquartered at gland in Switzerland). | |
| 238. |
Given below are pie diagrams A, B and C related to proportionate number of species of major taxa of invertebrates, vartebrates and plants respectively. Critically study and fill in the blanks (a), (b), (c ) and (d). |
| Answer» (a) Molluscs (b) Amphibians (c ) Fungi (d) Angiosperms. | |
| 239. |
The following are pie diagrams A, B and C related to proportionate number of species of major taxa of invertebrates, vertebrates and plants repectively. Study and select the right option in which all the blanks I, II, III and IV are correctly identified A. I - Turtles, II - Amphibians, III - Fungi, IV - AngiospermsB. I - Hexapoda, II - Amphibians, III - Fungi, IV - AngiospermsC. I - Molluscs, II - Amphibians, III - Angiosperms, IV - FungiD. I - Molluscs, II - Amphibians, III - Fungi, IV - Angiosperms |
| Answer» Correct Answer - D | |
| 240. |
Decrease in species diversity in tropical countries is mainly due toA. UrbanisationB. PollutionC. DeforestationD. Soil srosion |
| Answer» Correct Answer - C | |
| 241. |
From among plants, invertebrates and vertebrates, list respectively thost taxa which occur maximum in numbers at present. |
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Answer» Plants- Angiosperms Invertebrates - Insects Vertebrates - Fishes. |
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| 242. |
Which of the following is mismatched pair?A. Genetic diversity-Genus levelB. Species diversity-Species levelC. Ecological diversity-Ecosystem levelD. None of the above |
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Answer» Correct Answer - A Air pollutants causes injuary to humans, plants/crops and animals. |
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| 243. |
The most important component(s) of biodiversity is/areA. Genetic diversityB. Species diversityC. Ecological diversityD. All of the above |
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Answer» Correct Answer - D Humans are dependent on air for respiratory needs. |
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| 244. |
The term biodiversity is popularised byA. Paul EhrlichB. David TilmanC. Edward WilsonD. Robert May |
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Answer» Correct Answer - C Agents that bring about an undesirable change in our environment are called as pollutant. |
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| 245. |
In our biosphere, immense diversity or heterogeneity exits atA. Species levelB. Genetic levelC. All the levels of the biological organisationD. All of the above |
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Answer» Correct Answer - D Any undesirable change in physical, chemical or biological characteristic of air, land, water of soil is called pollution. |
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| 246. |
The species diversity of plants (22 %) is much less than that of animals (72 %). What could be the explanations to how animals archieved greater diversification ? |
| Answer» Most animals posses simple or complex nervous system to control and coordinate vaious activities. They posses receptors to receive environment stimuli and show response against them. Most of their responses are adaptive and ensure their survival in changing environment conditions. They, therefore, have evolved to reveal much higher species diversity than plants who do not possess nervous system and respond differently against enviornment stimuli. | |
| 247. |
Elaborate how invasion by an alien species reduces the species diversity of an area. |
| Answer» When alien species are introduced unintentionally or deliberately in a habitat, some of them can cause decline or extinction of indigenous species, e.g., extensive enviromental damage caused and threat posed to our native species by invasive weed species like carrot grass (Parthenium), Lantana and water hyacinth (Eichhornia). Another example of exotic species invasion is Nile perch, a large predator fish. | |
| 248. |
Suggest a place whre one can go to study coral reefs, mangrove vegetation and estuaries. |
| Answer» Places to be suggested for studying coral reefs-Andaman and Nicobar Islands. Mangrove vegetation-Paschim Banga Sunderban, Estuaries-Coastal areas of Karnataka. | |
| 249. |
What is co-extinction ? Explain with a suitable example ? |
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Answer» When a species becomes extinct, the plant and animal species associated with it, in an obligatory way, also become extinct, e.g., when a host fish species becomes extinct, its parasites also vanish. This is called co-extinction. Some other examples of co-extinction are, plant-pollinator mutualism where extinction of one leads to the extinction of other, Monophagous insect that feeds on particular plant species becomes extinct due to extinction of that plant species. |
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| 250. |
What is the difference between endemic and exotic species ? |
| Answer» Endemic species are restricted to a particular geographical region whereas exotic species are introduced into new areas from their native geographical region. | |