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.
| 501. |
Species ecology is synonym withA. AutecologyB. SynecologyC. Palaeo ecologyD. Forest ecology |
| Answer» Correct Answer - A | |
| 502. |
Members of a populationA. Can interbreed and produce fertile offspringsB. Share a common gene poolC. Share or compete for similar resorucesD. More than one option is correct |
| Answer» Correct Answer - D | |
| 503. |
Full name of professor Misra who is known as the Father of Ecology in India isA. Ramesh MisraB. Ramavtar MisraC. Ramekant MisraD. Ramdeo Misra |
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Answer» Correct Answer - D Ramdeo Misra is known as the Father of Ecology in India. |
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| 504. |
Who is considered as father of ecology in India ?A. Prof. R. MisraB. S. C. PandeyaC. Prof. N. DudgeonD. |
| Answer» Correct Answer - B | |
| 505. |
Ecology describesA. Interactions between living organism onlyB. Interactions between members of a single species onlyC. Interactions of organisms among thermselves as well as with their surrounding abiotic componentsD. Intraspectic competitions only |
| Answer» Correct Answer - C | |
| 506. |
Father of Indian ecology isA. H. ReiterB. G.S. PuriC. R. MisraD. Hutchinson |
| Answer» Correct Answer - C | |
| 507. |
Which is the correct under of ecological hierachy ?A. Biome `to` Populations `to` Community `to` OrganismB. Organism `to` Biome `to` Population `to` CommunityC. Population `to` Community `to` Biome `to` OrganismD. Organism `to` Population `to` Community `to` Biome |
| Answer» Correct Answer - D | |
| 508. |
A population isA. A group of organisms of one species occupying a defined areaB. A group of organisms of different species occupying a defined areaC. A grou of organisms of different species occupying different geographical areaD. A group of sexually isolated organisms occupyig a defined area |
| Answer» Correct Answer - A | |
| 509. |
The most spectacular and evolutionary fascinating examples of mutualism are found inA. Sea anemone and clown fish relationshipB. Barnacle and whale relationshipsC. Plant`-`animal relationshipsD. All of the above |
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Answer» Correct Answer - C the most spectacular and evolutionary fascinating examples of mutualism are foundin plant -animal relationships. |
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| 510. |
Many marine fishes are infested with ectoparasiticA. BarnaclesB. CopepodsC. TicksD. Mites |
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Answer» Correct Answer - B Many marine fishes are infested with ectoparasitic copepods. |
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| 511. |
The breeding season of koel (cuckoo) and crow isA. Spring to summerB. Winter to springC. Summer to winterD. Winter to summer |
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Answer» Correct Answer - A The breeding season of koel (cuckoo) and cros is spring to summer. |
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| 512. |
Which is amphibious plants?A. HydrillaB. PotamogetonC. SagittariaD. Wolffia |
| Answer» Correct Answer - C | |
| 513. |
Best soil for healthy and vigorous growth of a plant isA. sandy soilB. loamy soilC. clay soilD. None of these |
| Answer» Correct Answer - B | |
| 514. |
Soil best suited for plant growth isA. Loam soilB. Clay soilC. Sandy soilD. All are correct |
| Answer» Correct Answer - A | |
| 515. |
Explain why very small animals are rarely found in polar region. |
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Answer» Since small animals have a larger surface area relative to their volume , they tend to lose body heat very fast when it is cold outside , then they have to expend much energy to generate body heat through metabolism . This is the main reason why very small animals are rarely found in polar regions. |
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| 516. |
Plants growing in moist habitat are known asA. mesophytesB. xerophytesC. hydrophytesD. heliophytes |
| Answer» Correct Answer - A | |
| 517. |
Heat loss or heat gain is a function of surface area Very ________ animals are rarely found in polar regions. |
| Answer» Correct Answer - Small | |
| 518. |
A habitat is constitued byA. Predators and pathogensB. Abiotic and biotic factorsC. Climate and edaphic factorsD. Topographic, climate and edaphic factors |
| Answer» Correct Answer - B | |
| 519. |
A kind of similarity found in polar regions and high altitude isA. High temperature, low precipitation and deciduous forestB. Low temperature, snowfall, scanty or no vegetatitionC. Moderate rainfall, high temperature , no vegetationD. High humidity high rainfall, low temperature |
| Answer» Correct Answer - B | |
| 520. |
Why do high altitude areas have brighter sunlight and lower temperatures as compared to the plains? |
| Answer» Ar high altitude the sun light is brighter as compared to plains, it is because of reduced distance from the sun and particles free air. Similarly lower temperatures are because of lower atmospheric pressure which is more in plains as compared to high altitude. | |
| 521. |
Emergent land plants that can tolerate the salinities of the sea are called. |
| Answer» Halophytes emergent land plants that can tolerate the salinities of sea and are even able to maintain their water supply from the same are called as halophytes. | |
| 522. |
Mycorrhiza is a |
| Answer» Mycorrhiza is a symbiotic association between a fungus and the root of higher plants like conifers i.e., Pinus and leguminous plants. | |
| 523. |
The phenomenon in which one species inhibits the growth another species is called : |
| Answer» Parasitism is the association in which one species produces poisonous substance or a change in environmental conditions that is harmful to another species. Examples are protozoans such as Amoeba and Plasmodium vivax that lives in human body and cause diseases. | |
| 524. |
A: The interaction between sea anemone and down fish is commensalism. R: The fish gets protection from predators but anemone does not appear to derive any benefit.A. If both Assertion & Reason are true and the reason is the correct explanation of the assertionB. It both Assertion & Reason are true but the reason is not the correct explanation of the assertionC. If Assertion is true statement but Reason is falseD. If both Assertion and Reason are false statements |
| Answer» Correct Answer - A | |
| 525. |
In commensalism: |
| Answer» Commensalism is an interaction where one species is benefitted and the other is unaffected. E.g.,an orchid growing as an epiphyte on a mango branch. | |
| 526. |
What is the interaction between two species called? |
| Answer» Interaction between two species is called interspecific interaction. These could be beneficial, detrimental or neutral to one of the species or both. | |
| 527. |
What are eurythermic species? |
| Answer» Eurythermic species are those species which possess or show a wide range of temperature tolerance. | |
| 528. |
Define stenohaline species. |
| Answer» Stenohaline species are those species which show a narrow range of salinity tolerance. | |
| 529. |
Organisms that can tolerate a wide range of salt concentration are termed as |
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Answer» Euryhaline species Water, another major abiotic component affects the life of organism. The quality of water like pH, salinity (salt concentration) are water related problems faced by aquatic organisms, organisms or species that can tolerate wide range of salinity are regarded as euryhaline Species. |
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| 530. |
Given below is a simplified model of phosphorus cycling in a terrestrial ecosystem with four blanks (A-D). Identify the blanks. A. `{:(" (A)","(B)","(C)","(D)"),("Rock-minerals" ,"Detritus ", "Litter fall","Producers"):}`B. `{:(" (A)","(B)","(C)","(D)"),("Litter" ,"Producers ", "Rock minerals","Detritus"):}`C. `{:(" (A)","(B)","(C)","(D)"),("Detritus", "Rock minerals","Producer","Litter fall"):}`D. `{:(" (A)","(B)","(C)","(D)"),("Producers", "Litter fall","Rock minerals","Detritus"):}` |
| Answer» Correct Answer - C | |
| 531. |
Mention the two components included in the habitat. |
| Answer» Habitat includes both biotic and abiotic components | |
| 532. |
Leaves are changed into spines in xerophytic structures calledA. PhyllodeB. ChadodeC. PhyllocladeD. All of the above. |
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Answer» Correct Answer - C Leaves are changed into spines in xerophytic structures called phylloclade. |
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| 533. |
In lake ecosystems, in I. littoral zone, the rate of photosynthesis equals the rate of repiration. II. rofundal zone, only respiration occurs. III. limnetic zone, production is lower than respiration. IV. profundal zone, production is greater than respiration. Choose the correct statement..A. Only IB. III and IVC. I and IIID. I and II |
| Answer» Correct Answer - D | |
| 534. |
Littoral zone is located along the:A. High mountainB. SeaC. ForestsD. Desert |
| Answer» Correct Answer - B | |
| 535. |
The zone of atmosphere in which the ozone layer isA. lonosphereB. MesosphereC. StratosphereD. Troposphere |
| Answer» Correct Answer - C | |
| 536. |
The zone of atmosphere that lies near the ground is:A. StratosphereB. MesosphereC. TroposphereD. Thermosphere |
| Answer» Correct Answer - C | |
| 537. |
In which one of the following habitats does the diurnal temperature of soil surface vary most?A. Shrub landB. ForestC. DesertD. Grassland |
| Answer» Correct Answer - C | |
| 538. |
Photosynthetically active radiation (PAR) represents the following range of wavelengthA. 450-950 nmB. 340-450 nmC. 400-700 nmD. 500-600 nm |
| Answer» Correct Answer - C | |
| 539. |
Which gas of atmosphere holds up ultraviolet rays?A. `O_(2)`B. `O_(3)`C. `N_(2)`D. `CO_(2)` |
| Answer» Correct Answer - B | |
| 540. |
One biome is characterised by precipitation of less than 25 cm per year, temperatures fluctuate wildly during the day and plants living here have adaptations such as poisons and thorns. This is aA. temperate grasslandB. taigaC. tropical rainforestD. desert |
| Answer» Correct Answer - D | |
| 541. |
The factors which include the form, surface, and behaviour of the earth with special reference to slopes, mountains, and valleys are calledA. Edaphic factorsB. Biotic factorsC. Climatic factorsD. Topographic factors |
| Answer» Correct Answer - D | |
| 542. |
Identify the correct pair of combinations (i) Vallisneria- Long stalked female flowers-Hydrophily (ii) Tribulus- Annual-Root succulent (iii) Hydrilla-Submerged rooted hydrophyte-Aerenchyma (iv) Casuarina-Perennial-Phylloclades.A. III and IVB. II and IIIC. I and IVD. I and III |
| Answer» Correct Answer - B | |
| 543. |
The population of an insect species shows and explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show ?A. The population of its predators increases enormouslyB. S-shaped or sigmoid grwth of this insectC. The food plants mature and die at the end of the rainy seasonD. Its population growth curve is of J-type |
| Answer» Correct Answer - D | |
| 544. |
The population of an insect species shows and explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show ?A. The population if its predators increases enormouslyB. S-shaped or sigmoid growth of this insect.C. The food plants mature and die at the end of the rainy season.D. Its population growth curve is of j-type. |
| Answer» Correct Answer - D | |
| 545. |
The population of an insect species shows and explosive increase in numbers during rainy season followed by its disappearance at the end of the season. What does this show ?A. the food plants mature and die at the end of the rainy seasonB. its population growth curve is of J-typeC. the population of its predators increase enormouslyD. S-shaped or sigmoid growth of this insect |
| Answer» Correct Answer - B | |
| 546. |
Name the interaction in each of the following: (a) Cuckoo lay: her eggs in the crew’s nest. (b) Orchid grows on a mango tree. (c) Ticks live on the skin of doze. (d) Sea anemone in often found on the shell of hermit crab? |
| Answer» (a) Parasitism (b) Commensalism (c) Parasitism (d) Mutualism | |
| 547. |
Assertion (A) : Animals adopt different strategies to survive in hostile environment. Reason (R ) : Praying mantis is green in colour which merges with plant foliage.A. If both Assertion and Reason are true and the Reason is the correct explanation of AssertionB. If both the Assertion and Reason are true, but the Reason is not the correct explanation of AssertionC. If Assertion is true, but the Reason is falseD. If Assertion is false, but the Reason is true |
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Answer» Correct Answer - B Adaptation is and important feature of animals in which they adopt different strategies to survive in the hostile environment. The stick insect or praying mantis having green body colour exhibits close resemblance with twings and foliages. It is an adaptation known as camouflage. |
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| 548. |
Praying mantis is a good example of :A. CamouflageB. Mullerian mimicryC. warning colourationD. Social insects |
| Answer» Correct Answer - A | |
| 549. |
Praying mantis is a good example ofA. camouflageB. mullerian mimicryC. warning colourationD. social insects |
| Answer» Correct Answer - A | |
| 550. |
Assertion: Animals adopt different strategies to survive in hostile environment. Reasons: Praying mantis is green in colour which meges with plant foliage.A. If both assertion and reason are true and the reason is a correct explanation of the assertion.B. If both assertion and reason are true but reason is not a correct explanation of the assertion.C. If the assertion is true but reason is false.D. If both the assertion and reason are false. |
| Answer» Correct Answer - A | |