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.
| 101. |
Ephermerals are a type of xerophytesA. Drought escappingB. Drought resistingC. Drought enduringD. None of the above |
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Answer» Correct Answer - A Types of xerophytes: 1) Drought escapers/Drought evaders(Ephemerals): A plant living for a few days is called ephermerals. E.g. Argemone. 2) Drought resisting or Succulents: Resist drought by accumulating water in their tissues. E.g.: Opuntia, Aloe, Agave, Cacti, Asparagus and Euphorbia. 3) Non-succulent perinneals : Real drought resistant plants. E.g: Calotropris, Acacia, Capparis, Nerium. |
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| 102. |
A mutually beneficial association necessary for survival of both partners isA. Mutualism/SymbiosisB. CommensalismC. AmensalismD. Both A and B |
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Answer» Correct Answer - A A mutually beneficial association necessary for survival of both partners is mutualism/symbiosis. |
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| 103. |
The non-obligatory mutually beneficial relationship is represented byA. symbiosisB. protocooperationC. commensalismD. mimicry |
| Answer» Correct Answer - B | |
| 104. |
Assertion: In tropical rain forests, O-horizon and A-Horizon of soil profile are shallow and nutrient-poor. Reason: Excessive growth of micro-organisms in the soil depletes its organic content.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 - C | |
| 105. |
Study the 3 representative figures of age pyramid relating to human population given below and answer the questions . (a) Mention the names given to 3 kinds of age profiles (i) , (ii) and (iii) . (b) Which one of them is ideal for a population and why ? (c) How do such age-profile studies help policy makers get concerned about our growing population and prepare for future planning |
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Answer» (a) (i) Expanding (ii) Stable (iii) Declining . (b) Declining age profile is ideal for population because it gives us an idea that in future the population will decline . (c) The shape of age pyramid reflects the growth status of populations. The policy makers will plan accordingly after analysing whether the population will be expanding or stabilize or decline in future . |
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| 106. |
The primary producers of the deep-sea hydrothermal vent ecosystem are:A. Blue-green algaeB. Coral reefsC. Green algaeD. Chemosynthetic bacteria. |
| Answer» Correct Answer - D | |
| 107. |
(a) Label the three tiers 1, 2, 3 given in the above age pyramid. (b) What type of population growth is represented by the above age pyremid? |
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Answer» The three tiers are to be labelled as (i) Pre-reproductive phase (ii) Reproductive phase (iii) Post- reproductive phase (b) The given age pyramid represents the expanding type of population growth. |
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| 108. |
Plants growing on sandy soils areA. LithoprytesB. PsammophyteC. HydrophytesD. Xerophytes |
| Answer» Correct Answer - B | |
| 109. |
Halophyte areA. Salt resistantB. Fire resistantC. Cold resistantD. Sand loving |
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Answer» Correct Answer - A Halophytes are salt resistant. |
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| 110. |
Plants growing in saline soil are calledA. halophytesB. xerophytesC. mesophytesD. hydrophytes |
| Answer» Correct Answer - A | |
| 111. |
Population was termed as self-perpetuating unit byA. MalthusB. SpencerC. MobiusD. Odum |
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Answer» Correct Answer - A Population was termed as self perpetuating unit by Malthus. |
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| 112. |
Plants growing under a average conditions of temperature and moisture areA. HygrophytesB. MesophytesC. HydrophytesD. Epiphytes. |
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Answer» Correct Answer - B Plants growing under average conditions of temperature and moisture are mesophytes. |
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| 113. |
Instrument used for measuring wind velocity isA. AnemometerB. HydrometerC. LactometerD. Photometer |
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Answer» Correct Answer - A Instrument used for measuring wind velocity is anemometer. |
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| 114. |
The kangaroo rat in North American deserts is capable of meeting all its water requirements through its internal fat oxidation (True/False) |
| Answer» Correct Answer - 1 | |
| 115. |
Which of the following organisms are indeed capable of thermoregulation and osmoregulation?A. All birdsB. All mammalsC. Very few lower vertebrate and invertebrate speciesD. All of the above |
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Answer» Correct Answer - D All birds and mammals and a very few lower vertebrate and inverterbrate and osmoregulation. |
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| 116. |
The study of interaction between living organisms and environment is calledA. PhytogeographyB. EcologyC. EcosystemD. Phytosociology |
| Answer» Correct Answer - B | |
| 117. |
Study of inter-relationship between a species/individuals and its environment in all stages of its life cycle isA. synecologyB. forest ecologyC. autecologyD. ecology |
| Answer» Correct Answer - C | |
| 118. |
In the given picture what is the relationship between (1) and (2) with respect to population interaction and between (3) and (4) with respect to trophic levels ? |
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Answer» (i) Relationship between (1) and (2) is of predator- prey relationship. (ii) Relationship between (3) and (4) : (4) is producer and (3) is primary consumer . |
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| 119. |
Study of inter-relationship between an entire community and its environment isA. autecologyB. resource ecologyC. species ecologyD. synecology |
| Answer» Correct Answer - D | |
| 120. |
Which of the following is a xerophytic plant in which the stem is modified into a flat green and succulent structure?A. CasuarinaB. OpuntiaC. HydrillaD. Acacia |
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Answer» Correct Answer - B Opuntia is a xerophytic plant in which the stem is modified into a flat green and succulent structures. |
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| 121. |
Bell-shaped polygonal pyramid indicates.A. High percentage of old individualsB. Low percentage of young individualsC. Moderate percentage of young individualsD. Low percentage of old individuals. |
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Answer» Correct Answer - C Bell-shaped polygonal pyramid indicates moderate percentate of young individuals. |
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| 122. |
The relationship between species and another within a community that has evolved through interaction is based uponA. requirement and mode of obtaining food onlyB. requirement and mode of obtaining shelter onlyC. on the habits of the species onlyD. All of the above |
| Answer» Correct Answer - D | |
| 123. |
Symbiosis may be defined as relationship, in whichA. both the partners derive benefit from each otherB. both the partners are harmedC. only one partner derives the benefitD. none of the partner derives the benefit |
| Answer» Correct Answer - A | |
| 124. |
The figure given below is a diagrammatic representation of response of organisms to abiotic factors. What do A, B and C represent respectively? A. `{:(" (a)","(b)","(c)"),("conformer", "regulator", "partial regulator"):}`B. `{:(" (a)","(b)","(c)"),( "regulator", "partial regulator","conformer"):}`C. `{:(" (a)","(b)","(c)"),( "partial regulator","regulator", "conformer"):}`D. `{:(" (a)","(b)","(c)"),( "regulator", "conformer","partial regulator"):}` |
| Answer» Correct Answer - D | |
| 125. |
The figure given below is a diagrammatic representation of response of organisms to abiotic factors. What do A, B and C represent respectively? A. `{:((a),(b),(c)),("Conformer","Regulator","Partial regulator"):}`B. `{:((a),(b),(c)),("Regulator","Partial regulator","Conformer"):}`C. `{:((a),(b),(c)),("Partial regulator","Regulator","Conformer"):}`D. `{:((a),(b),(c)),("Regulator","Conformer","Partial regulator"):}` |
| Answer» Correct Answer - D | |
| 126. |
The figure given below is a diagrammatic representation of response of organisms to abiotic factors. What do A, B and C represent respectively? A. `{:(" A"," B"," C"),("Regulator","Conformer ","Partial regulator"):}`B. `{:(" A"," B"," C"),("Conformer","Regulator","Partial regulator"):}`C. `{:(" A"," B"," C"),("Regulator","Partial regulator","Conformer"):}`D. `{:(" A"," B"," C"),("Partial regulator","Regulator","Conformer"):}` |
| Answer» Correct Answer - A | |
| 127. |
Barnacles growing on the back of whale is an example for :A. mutualismB. commensalismC. parasitismD. amensalism |
| Answer» Correct Answer - B | |
| 128. |
Some organisms are tolerant to a narrow range of salinity and are termed asA. euryhalineB. stenohalineC. NarrowhalineD. saline |
| Answer» Correct Answer - B | |
| 129. |
Lichens are the associations ofA. bacteria and fungusB. algae and bacteriumC. fungus and algaeD. fungus and virus |
| Answer» Correct Answer - C | |
| 130. |
Lichens are well known combination of an alga and a fungus where fungus hasA. an epiphytic relationship with the algaB. a parasitic relationship with the algaC. a symbiotic relationship with the algaD. a saprophytic relationship with alga |
| Answer» Correct Answer - C | |
| 131. |
Lichens are the associations ofA. Bacteria ad fungusB. Algae and bacteriumC. Fungus and algaeD. Fungus and virus |
| Answer» Correct Answer - c | |
| 132. |
Which organisms help termites in the digestion of cellulose ? |
| Answer» Correct Answer - Flagellates . | |
| 133. |
Lichens are well known combination of an alga and a fungus where fungus hasA. saprophytic relationship with the algaB. cpiphytic relationship with the algaC. parasitic relationship with the algaD. symbiotic relationship with the alga. |
| Answer» Correct Answer - D | |
| 134. |
Lichens are the associations ofA. bacteri and fungusB. algae and bacteriumC. fungus and algaeD. fungus and virus |
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Answer» Correct Answer - C Lichens represent a positive (beneficial ) interaction between two different species, one fungus and another algae. Rest of the species combination or associations are not true for lichens. |
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| 135. |
Name the organisms that form lichens . |
| Answer» Correct Answer - Alga and fungus . | |
| 136. |
Name the a blue green algae and a bacterium which fix atmospheric nitrogen. |
| Answer» Correct Answer - Anabaena , histolytica . | |
| 137. |
Phytoplanktons are dominant in which of the following zones?A. Limnetic zoneB. Profundal zoneC. Littoral zoneD. Aphotic zone |
| Answer» Correct Answer - C | |
| 138. |
The normal temperature of human body on the Kelvin scale isA. 280B. 290C. 300D. 310 |
| Answer» Correct Answer - D | |
| 139. |
In plant succession last community is calledA. EcotoneB. Climax communityC. Seral communityD. Ecosystem |
| Answer» Correct Answer - B | |
| 140. |
In plant succession, the last community is calledA. EcotoneB. Climax communityC. Seral communityD. Ecocystem |
| Answer» Correct Answer - B | |
| 141. |
The community which starts succession at a place is termedA. Climax communityB. Seral communityC. Pioneer communityD. Primary community |
| Answer» Correct Answer - C | |
| 142. |
Species diversity in an ecosystem mainly depends onA. Light intensityB. TemperatureC. RainfallD. Soil type |
| Answer» Correct Answer - C | |
| 143. |
Area where two ecosystem overlap each other:A. EcotoneB. NicheC. Edge effectD. Ecotypes |
| Answer» Correct Answer - A | |
| 144. |
Insectivorous plants usually grow in soils which are deficient inA. Water rich soilB. `N_(2)` deficient soilC. `N_(2)` rich soilD. Sugar deficient medium |
| Answer» Correct Answer - B | |
| 145. |
Insectivorous plants usually grow in soils which are deficient inA. rich in waterB. deficient in waterC. deficient in nitrogenous compoundsD. deficient in trace elements |
| Answer» Correct Answer - C | |
| 146. |
Two vegetations of ecosystem are separated byA. EcotoneB. EcolineC. EcosystemD. Ecesis |
| Answer» Correct Answer - A | |
| 147. |
Assertion: In nature, animals, plants and microbes do not and cannot live in isolation. Reason: For any species, the minimal requirement is one more species on which it can feed.A. If both assertion and reason are true and the reason is the correct explanation of the assertion.B. If both assertion and reason are true but reason is not the correct explanation of the assertion.C. If assertion is true but reason is false.D. If both assertion and reason are false. |
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Answer» Correct Answer - A In nature, animals, plants and microbes do not and cannot live in isolation. For any species, the minimal requirement is one more species on which it can feed. |
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| 148. |
A group of two or more than two plants species is calledA. Plant communityB. Animal ecosystemC. Plant ecosystemD. Ecological niche |
| Answer» Correct Answer - A | |
| 149. |
How many phases are there is an S-shaped growth curve ? |
| Answer» Correct Answer - Five | |
| 150. |
Most important for determining populations growth isA. Population sizeB. NatalityC. Vital indexD. Population growth curves. |
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Answer» Correct Answer - A Most important parameter for determining population growth is population size. |
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