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Biological Classification Test - 44

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Biological Classification Test - 44
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  • Question 1
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    In organisms like lichens, the number of partners are
    Solution
    Lichens have a symbiotic relationship. In this type of relationship, lichens live symbiotically. there is a symbiotic relationship between algae and fungi in lichens. Algae perform photosynthesis and provide with carbon compounds. Fungi provide protection and nutrition to algae. Thus, 2 organisms are involved in a lichen. 
    So, option B " Two" is the correct answer.
  • Question 2
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    Study of fungi is known as 
    Solution
    The branch of biology concerned with the study of fungi along with their genetic and biochemical properties is called mycology. It also involves the study of their use to humans as a source of medicine and food. It combines with algae and fungi to form lichens. It also associate with root to form mycorrhiza.
    Thus the correct answer is option B.
  • Question 3
    1 / -0
    On the basis of nucleus, virus falls under 
    Solution
    Prokaryotes are organisms which do not have a well-defined nucleus. Eukaryotes are organisms which have a well-defined nucleus. In this, the nucleus is enclosed in a nuclear membrane. Viruses do not have a nucleus. They have nucleoid. They are intermediate between living and non-living entities. Hence, on the basis of the nucleus, a virus does not fall under either prokaryotes or eukaryotes. 
    Thus, the correct answer is option D.
  • Question 4
    1 / -0
    Which of the following contains prokaryote organisms capable of surviving in extreme conditions of heat and salt concentration?
    Solution
    Bacteria can survive in extremely hot and salty conditions. This is because they have a high tolerance for slat. Apart from this, they also have a high tolerance for heat. So they could be seen easily in hot water springs, where survival of any other organism becomes impossible. 
    So, option A is the correct answer.
  • Question 5
    1 / -0
    Mushrooms are 
    Solution
    A mushroom is the fleshy, spore-bearing fruiting body of a fungus, typically produced above ground on soil or on its food source. The standard for the name "mushroom" is the cultivated white button mushroom, Agaricus bisporus, hence the word "mushroom" is most often applied to those fungi (Basidiomycota, Agaricomycetes) that have a stem (stipe), a cap (pileus), and gills (lamellae, sing. lamella) on the underside of the cap. These gills produce microscopic spores that help the fungus spread across the ground or its occupant surface. Mushrooms are not algae, virus or bacteria. 
    Therefore, the correct answer is option A.
  • Question 6
    1 / -0
    Bacteria can grow easily in 
    Solution
    Sweat by itself does not have much of an odor. Most of the smell is caused by bacteria which live on the skin and in clothing. These bacteria use the sweat for growing. Most body odor is produced by bacteria feeding on the apocrine sweat from under the arms and in the groin. Excessive sweating (hyperhidrosis) due to over-activity of the sweat glands can cause folliculitis due to an infection with a bacterium called as Staphylococcus aureus.
    So, the correct answer is option A.
  • Question 7
    1 / -0
    Plants can divided into __________ and __________ on the basis of the presence or absence of differentiated reproductive organs.
    Solution
    The reproductive organs of thallophytes, bryophytes, and pteridophytes are very inconspicuous, and they are therefore called cryptogams, or those with hidden reproductive organs. On the other hand, plants with well-differentiated reproductive parts that ultimately make seeds are called phanerogams. Phanerogams include gymnosperms and angiosperms.
    Therefore, the correct answer is option B.
  • Question 8
    1 / -0
    Bread mould is a/an 
    Solution
    Mold is a member of the fungi family, which is a separate categorization from plants and animals. Possibly they are the most well-known members of the fungi family along with mushrooms. 
    Therefore, the correct answer is option B.
  • Question 9
    1 / -0
    The organisms which are smaller than bacteria are 
    Solution
    A virus is a small infectious agent, smaller than bacteria, that replicates only inside the living cells of other organisms. Viruses can infect all types of life forms, from animals and plants to microorganisms, including bacteria and archaea. 
    Therefore, the correct answer is option A.
  • Question 10
    1 / -0
    Viruses are non-cellular organisms but replicate themselves once they infect the host cell. To which of the following kingdom do viruses belong to?
    Solution
    Viruses are said to be a connecting link between the living and non-living. So, they do not belong to any of these kingdoms. 
    So the correct option is D.
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