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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.
701. |
Greenhouse is used for growing plants especially duringA. SummerB. WinterC. Rainy seasonD. Any of the above |
Answer» Correct Answer - B Greenhouse is used for growing plants especially during winter. |
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702. |
$ Scorpion has a sting in its tail ! Tube feet are present in starfishA. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
Answer» Correct Answer - B | |
703. |
$ Octopus is also called "Devil Fish". ! Animals of class crustacea have three pairs of appendages.A. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
Answer» Correct Answer - C | |
704. |
$ Electric ray fish is also called Torpedo ! Dinosaurs are also called Thunder-Lizards.A. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
Answer» Correct Answer - B | |
705. |
$ Duck billed platypus is viviparous ! Duck is a type of platypus.A. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
Answer» Correct Answer - D | |
706. |
$ If natulity is greater than mortality, it leads to population explosion. ! The scientific study of various aspects of human population is called demography.A. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
Answer» Correct Answer - B | |
707. |
$ Insectivorous plants get nitrogenous nutrition from the insects. IAA is growth promoter.A. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
Answer» Correct Answer - B | |
708. |
Which of the following pollutant induces respiratory distress, inhibit ETS in chloroplast and glazing of leaves?A. `H_(2)S`B. PANC. COD. `NO_(2)` |
Answer» Correct Answer - B | |
709. |
`RuBisCO` content of chloroplast isA. 0.2B. 0.05C. 0.11D. 0.16 |
Answer» Correct Answer - D | |
710. |
Photoperiodism is probably due to synthesis ofA. CytokininsB. GibberellinsC. AuxinD. Florigen |
Answer» Correct Answer - D | |
711. |
The fertilisation in mammals including human beings takes place inA. VestibuleB. VaginaC. Fallopian tubesD. Uterus |
Answer» Correct Answer - C | |
712. |
$ Homoestasis is the capacity of a living organisms to maintain its constant internal conditions. Majority of homoestatic processes occur with the help of oxygen.A. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
Answer» Correct Answer - C | |
713. |
$ Seredipidty refers to discoveries as a result of thorough research. ! Discovery of Penicilin was not by serendipidty.A. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
Answer» Correct Answer - D | |
714. |
$ Coenzymes are usually proteins ! The term feedback refers to the effect of enzyme concentration on its rate of reaction.A. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
Answer» Correct Answer - d | |
715. |
$ Enzymes are special types of proteins. ! Those substances which interfere with the action of enzymes are called inhibitors.A. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
Answer» Correct Answer - b | |
716. |
$ Inheritance of Kappa particles in Paramecium is type of extra-nuclear inheritance. ! The above process is also called Cytoplasmic inheritance.A. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
Answer» Correct Answer - A | |
717. |
$ Those enzymes which are active inside a cell are called extra-cellular enzymes. ! Enzymes lower the rate of biological activities.A. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
Answer» Correct Answer - D | |
718. |
$ All of the living organisms utilize light energy for their metabolism ! Positive metabolism is called catabolismA. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
Answer» Correct Answer - D | |
719. |
$ Louis Pasteur discovered that fermentation is brought about by micro-organisms ! Parasitic becteria bring about fermentation.A. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
Answer» Correct Answer - C | |
720. |
$ Sea Aneomone has parasitic nutrition. ! Roundworms are also called Trematodes.A. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
Answer» Correct Answer - D | |
721. |
$ Mitochondria are called "Food-Factories" of a plant cell. A plant cell is called as a closed system.A. If both As and R are correct and R is correct explanation of AsB. If both As and R are correct but R is not correct explanation of AsC. If As is correct, R is wrongD. If both As and R are wrong. |
Answer» Correct Answer - D | |
722. |
Number of biosphere reserves in May 2002 wasA. 217 in 65 countriesB. 408 in 94 countriesC. 381 in 74 countriesD. 449 in 103 countries |
Answer» Correct Answer - B | |
723. |
King Cobra isA. Naja hunnahB. Naja najaC. Vipera russeliD. Bundarus conerulus |
Answer» Correct Answer - A | |
724. |
Kyoto Protocol was endorsed at:A. CoP -6B. CoP-4C. CoP-3D. CoP-5 |
Answer» Correct Answer - C Cop stands for conference of Parties which is the governing body of the convention on Biological Diversity and advances implementation of the convention through the decision it takes at it periodic meetings. Till date it has held 11 major meetings. The kytoprotocol was adopted at the third session of th conference of parties in `1997` in Kyoto, Japan. |
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725. |
Which of the following practices has caused maximum damage to the diversity of Indian forests ?A. Selecting harvestingB. Block cuttinC. Taungya cultivationD. Jhoom cultivation |
Answer» Correct Answer - D Taungya system involves growing agricultural crops between rows of planted trees. It is a type of agro froestry system. Jhum involved felling and burning of forests. Followed by cultivation of crops for few years, and abandoning cultivation to allow forest regrowth. |
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726. |
Identify the correctly matched pair:A. Kyoto Protocol - Climatic changeB. Montreal Protocol - Global warmingC. Basal Convention - Biodiversity ConservationD. Ramser Convention - Ground water pollution |
Answer» Correct Answer - A Ramsar convention was regarding wetlands. Basal convention is regarding the control of tranboundary movement of hazardous water and their disposal (but not including redioactive waste). |
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727. |
Choose the correct statement regarding the catalytic coverters.A. Motor vehicles equipped with catalytic converter should use leaded petrolB. Catalytic converters have expensive metals namely platinum-palladium and rhodium as catalystC. Catalytic converters help in reducing particulate matterD. As the exhaust passes through the catalytic converter nitrogen gas is Converted to nitric oxide |
Answer» Correct Answer - B Catalystic converters are fitted for reducing emission of poisonous gases. As the exhaust passes through , the catalytic converter, unburnt hydro-carbons are converted into carbon dioxide and water, and carbon monoxide and nitric oxide are changed to carbon dioxide and nitrogen gas respectively. |
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728. |
What percentage of total area in hilly regions does the National Forests Policy suggests to be under forestsA. `30%`B. `67%`C. `33%`D. `66%` |
Answer» Correct Answer - B According to our National Forest Policy (1988) `67%` area in hills and `33%` area in plains be covered with forests. |
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729. |
Which of the following is pollutant as well as protectant?A. `CO_(2)`B. OzoneC. CFCD. PAN |
Answer» Correct Answer - B Ozone is pollutant (causing heardening of Tyres, Leaf curling) in troposphere and protectant (Prevent , UV rays to reach the earth )in stratosphere. |
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730. |
A chemical weed in troposphere and protectant in stratosphere isA. `CH_(4)`B. `O_(3)`C. CFCD. `NO_(2)` |
Answer» Correct Answer - B | |
731. |
Social forestly programme isA. to make up for the loss of tree coverB. designed to prevent desertificationC. meant to restore soil fetilityD. to provide tree cover to meet daily needs of society |
Answer» Correct Answer - D | |
732. |
Match the following Columns. `{:("Column I","Column II"),("A. Ek nino effect","1. Rio-de-Janeiro"),("B. Earth Summit","2. 1974"),("C. Amrita Devi","3. Global warming"),("D. Sunder Lal","4. 1731"):}`A. `{:("A","B","C","D"),(1,2,4,3):}`B. `{:("A","B","C","D"),(3,1,4,2):}`C. `{:("A","B","C","D"),(3,4,1,2):}`D. `{:("A","B","C","D"),(1,4,3,2):}` |
Answer» Correct Answer - B | |
733. |
How much pollution of air is due to human activities ? |
Answer» Just 0.05% of the total annual emission into air. | |
734. |
In thermal inversion.A. Warm ground air gets overlapped by cool airB. Cool ground air gets overlapped by warm airC. Ground temperature becomes high in winterD. Ground temperature becomes low in summer. |
Answer» Correct Answer - B | |
735. |
Primary pollutants is the one, whichA. Enters enviroment directlyB. Is formed naturallyC. Is byproducts of reactions between two or more pollutants componentsD. Is anthropogenic . |
Answer» Correct Answer - A | |
736. |
Which of the following are primary pollutants?A. DDTB. `CO_(2)`C. FlyashD. All of these |
Answer» Correct Answer - D | |
737. |
A primary air pollutants isA. `CH_(4)`B. `H_(2)S`C. COD. All the above |
Answer» Correct Answer - D | |
738. |
Pulmonary oedema is caused byA. Sulphur oxidesB. Carbon oxidesC. Nitrogen oxidesD. Hydrocarbons |
Answer» Correct Answer - C | |
739. |
Jhuming mainly occurs in India inA. hilly areaB. Madhya PradeshC. North eastD. Malabar areas |
Answer» Correct Answer - C | |
740. |
What is biological magnification? Will the levels of this magnification be different at different levels of the ecosystem? |
Answer» Increase in the concentration of toxic materials at each trophic level of a food chain is called biomagnification. | |
741. |
Biological magnification refers to:A. Growth of organisms due to food consumptionB. Increase in population sizeC. Blowing up of environment issues by manD. Increase in conc. of non-degradable pollutants as they pass through food chain. |
Answer» Correct Answer - D | |
742. |
What are radioactive elements. Cite a few examples. |
Answer» Elements that give off radiation as they disintegrate are termed radioactive elements, e.g., radium, thorium, uranium | |
743. |
What is senescence of a water body? |
Answer» Filling up of a water body (lake or pond) by accumulation of silt and decaying organic matter is called senescence. | |
744. |
Which one of the following is not a green house gas ? `CO_(2), CH_(4), O_(2), CFCs`. |
Answer» Correct Answer - `O_(2)` | |
745. |
Which plant can absorb heavy metals ? How is this useful? |
Answer» Water hyacinth, it purifies that water. | |
746. |
What temperature range fishes can tolerate? |
Answer» Up to `33^(@)C (95^(@)F).` | |
747. |
"Chipko Movement" is connected with :A. Conservation of natural resourcesB. Plant/forest conservationC. plant breedingD. Project tiger |
Answer» Correct Answer - B | |
748. |
Recessive epistasis is shown byA. Flower colour in Sweat PeaB. Fruit colour of Summer SquashC. Coat colour of MiceD. Shape of comb in pultry |
Answer» Correct Answer - C | |
749. |
A force that acts against maximum population growth isA. Population PressureB. Carrying capacityC. Saturation pointD. Environment resistance |
Answer» Correct Answer - D | |
750. |
A pleiotropic gene is one whichA. Affects one characterB. Affects more than of another geneC. Supplenents the effect of another geneD. Requires another gene for expression |
Answer» Correct Answer - B | |