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Biology Test 5

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Biology Test 5
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Weekly Quiz Competition
  • Question 1
    4 / -1

    Schuffner's granules are found in _____ of a malarial patient

    Solution

    Schuffner’s granules are found in the cytoplasm of the infected erythrocytes. These granules are either orange or yellow in color.

     

  • Question 2
    4 / -1

    One of the representatives of phylum Arthropoda is:

    Solution

    Silverfish belongs to phylum arthropoda 

    Pufferfish belongs to phylum chordate 

    Flying fish belongs to phylum chordate 

    Cuttle fish belongs to phylum mollusca

     

  • Question 3
    4 / -1

    Select the best path for the flow of water in a sponge.

    Solution

    The path of water in a sponge is as follows- water flows from the exterior (dermal ostia) to incurrent canal (gastrial ostia) from the gastrial ostria it reaches to spongocoel from where it is sent to the osculum

     

  • Question 4
    4 / -1

    Metagenesis is seen in

    Solution

    Meta-genesis is the alternation of generation between sexual and asexual reproductive phases within the same species. It is found in polyps of Obelia and Physalia.

     

  • Question 5
    4 / -1

    The primary growth in root occurs due to

    Solution

    Reasoning- Primary growth in root occurs from zone of elongation.

     

  • Question 6
    4 / -1

    Occurrence of more than one type of leaves on the same plant is known as

    Solution

    Reasoning- Heterophylly refers to the condition in which more than one type of leaves are present on the same plant. It is mostly found in aquatic plants.

     

  • Question 7
    4 / -1

    Inflorescence with thick, fleshy axis and large colored bract is

    Solution

    Reasoning- Plants such as Colocasia, Maize have thick, long and fleshy peduncle and flowers are covered with colourful bracts. This type of inflorescence is called spadix.

     

  • Question 8
    4 / -1

    Which one of the following is a dry indehiscent fruit?

    Solution

    Caryopsis is a small, one-celled, one-seeded, dry indehiscent fruit with the pericarp adherent to the seed coat.

     

  • Question 9
    4 / -1

    Cell wall components of collenchyma is

    Solution

    Cell wall in plants is made of cellulose and hemicellulose. Pectin is present in collenchyma cells at the corner thickenings. Suberin is present in casparian strips and lignin is present in sclerenchyma.

     

  • Question 10
    4 / -1

    When in a stele the xylem is surrounded by phloem, the condition is called

    Solution

    Amphicribal vascular bundles are known as hadrocentric vascular bundles. In this, xylem is completely surrounded by Phloem. Example – Ferns.

     

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