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Cell Structure and Functions Test - 23

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Cell Structure and Functions Test - 23
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  • Question 1
    1 / -0
    The chromosomes lie inside
    Solution
    Chromosomes are structures seen inside the nucleus of the cell. They contain the genes which are the units of inheritence. These structures are visible only during cell division.
    Hence the correct option is A.
  • Question 2
    1 / -0
    Cells are able to live and perform its functions due to the presence of_________________
    Solution
    • The cell is the basic unit of life. All the living organisms are made up of cells and each cell performs a life-sustaining process. The cell is composed of the cell membrane, cytoplasm, nucleus, cell organelles and cell wall (except animal cells). An organelle is a distinct part of a cell, which has a particular structure and function. 
    • Each organelle performs a particular function. For example- mitochondria produce ATPs, lysosomes digest cellular waste and debris, centrioles separates chromosomes during cell division, Ribosome synthesizes proteins, cell wall protects, etc. 
    • Due to this, a cell can survive and perform its own functions. Thus, the correct answer is option A.
  • Question 3
    1 / -0
    Where are the chromosomes found in cell? 
    Solution
    A chromosome is a structure found inside the nucleus of the cell. It contains the genetic material. It is visible only during cell division.

    Hence the correct option is A.
  • Question 4
    1 / -0
    What is the appropriate difference between plant cells and animal cells?
    Solution
    Plant cell possesses a cell wall while animal cells lack. Plant cells possess chloroplasts while animal cells lack. Plant cells possess single, large vacuole while animal cells possess many, small vacuoles.  Thus, the correct answer is option A.
  • Question 5
    1 / -0
    A cell is considered to be a fundamental unit of life because___________________
  • Question 6
    1 / -0
    Bacterial cells differ from eukaryotic cells in not having:
    Solution
    A eukaryotic cell has a well-developed nucleus which means the nucleus is bound by a membrane. 
    In the bacterial cell, the genetic material lies in the cytoplasm; there is an absence of a nucleus with a nuclear membrane. Therefore, a bacterial cell does not possess a well-defined nucleus.
    Hence, the correct option is D.
  • Question 7
    1 / -0
    Several tissues combine to form_________________
    Solution
    • A group of cells, which are structurally similar and work together to perform a particular function are called tissue. 
    • The collection of such tissues, which are joined in a structural unit to perform a certain function, is called an organ. Whereas cytoplasm is the living fluid in the cell. Thus, the correct answer is option A.
  • Question 8
    1 / -0
    Correct statement regarding Vacuoles is? 
    Solution
    • Vacuoles are non-living inclusion in the cytoplasm bound by a membrane.
    • These are filled with water and other organic substances in solution form called cell sap.
    • In plants, it is large in size and animals, it is smaller in size.
    Thus, Option D is correct.
  • Question 9
    1 / -0
    The main difference between the prokaryotic cell and the eukaryotic cell is that in the prokaryotic cell there is no:
    Solution
    In the prokaryotic cell, there is no definite nucleus with a nuclear membrane. 
    Eukaryotes have a well-defined nucleus with a nuclear membrane. 
    Hence, the correct option is D.
  • Question 10
    1 / -0
    .......... possess a well-developed nucleus with a nuclear envelope.
    Solution
    The eukaryotic cell is a cell that contains a membrane-bound nucleus. The nuclear membrane that surrounds the nucleus in eukaryotic cells gives the defined structure to the nucleus which consists of genetic material. A plant cell is eukaryotic in nature. So, the correct answer is option B.
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