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Questions and Answers

Who discovered the cell?

Robert Hooke

The jelly-like substance between the nucleus and cell membrane is called:

  • Otic
  • Amniotic
  • Cytoplasm (correct)
  • Pleural
  • What is the smallest unit of life capable of independent existence?

    Cell

    What is the process of contraction of the cell away from the cell wall due to water loss called?

    <p>Plasmolysis</p> Signup and view all the answers

    What is a single-celled fertilized egg called?

    <p>Zygote</p> Signup and view all the answers

    What is the outermost covering of the cell that separates the contents of the cell from its external environment?

    <p>Plasma membrane</p> Signup and view all the answers

    What cell organelle is called the "powerhouse of the cell"?

    <p>Mitochondria</p> Signup and view all the answers

    Which of the following organelles is responsible for the transfer, packaging, and modification of proteins and lipids in vesicles?

    <p>Golgi apparatus</p> Signup and view all the answers

    Which of the following organelles is called suicidal bags of the cell?

    <p>Lysosomes</p> Signup and view all the answers

    Which of the following organelles is responsible for keeping the cell clean by digesting any foreign material as well as worn out cell organelles?

    <p>Lysosome</p> Signup and view all the answers

    Who coined the term “protoplasm”?

    <p>Johann Evangelist Purkinje</p> Signup and view all the answers

    Which cell organelle is called ‘the master of the cell’?

    <p>Nucleus</p> Signup and view all the answers

    What is the largest cell organelle present in a cell?

    <p>Nucleus</p> Signup and view all the answers

    Which of the following organelles Is called 'protein factories of the cell'?

    <p>Ribosomes</p> Signup and view all the answers

    Which of the following cells is found only in animal cells?

    <p>Centriole</p> Signup and view all the answers

    Which of the following statements is NOT true for meiosis?

    <p>As a consequence of meiosis, the number of chromosomes is doubled in resulting cells</p> Signup and view all the answers

    Which of the following is a function of plant cell walls?

    <p>Conduction of water</p> Signup and view all the answers

    Which of the following is NOT a type of xylem?

    <p>Sieve tube</p> Signup and view all the answers

    Which of the following statements is TRUE about the Nucleus?

    <p>All of the above</p> Signup and view all the answers

    In animal cells, the nucleus is present in_____________?

    <p>centre of cell</p> Signup and view all the answers

    Which of the following cell organelles play the most significant role in protein synthesis?

    <p>Endoplasmic reticulum and ribosome</p> Signup and view all the answers

    Which one of the following organelles is the smallest membrane bound organelle?

    <p>Ribosome</p> Signup and view all the answers

    The special modified epidermal cells surrounding stomatal pore are called?

    <p>Guard cells</p> Signup and view all the answers

    What tissue forms a complete communication system and performs the function of information transmission in the human body?

    <p>Nervous tissue</p> Signup and view all the answers

    Which one of the following statements is TRUE for the outermost layer of the human body (skin)?

    <p>It is made of epithelial cells</p> Signup and view all the answers

    Which is the largest organ of the human body?

    <p>Skin</p> Signup and view all the answers

    What are the types of muscle tissue?

    <p>3 types of muscle tissue</p> Signup and view all the answers

    Which of the following helps in the repair of tissue and fills up the space inside the organ?

    <p>Areolar</p> Signup and view all the answers

    The tissue that forms the inner lining of our mouth.

    <p>Simple squamous epithelium</p> Signup and view all the answers

    Histamine-secreting cells are found in

    <p>Connective tissues</p> Signup and view all the answers

    Which of the following is NOT a connective tissue?

    <p>Nerve cell</p> Signup and view all the answers

    What tissue forms the vascular pools?

    <p>Xylem and Phloem</p> Signup and view all the answers

    Which tissues are found in bones of our body?

    <p>Connective</p> Signup and view all the answers

    Which tissues form the gland?

    <p>Epithelium</p> Signup and view all the answers

    Which of the following cells helps in the repair of tissue and fills up the space inside the organ?

    <p>Areolar</p> Signup and view all the answers

    The muscular tissue which function throughout life continuously without fatigue is

    <p>Cardiac muscle</p> Signup and view all the answers

    Which one of the following cells is found in cartilaginous tissue of the body?

    <p>Chondrocytes</p> Signup and view all the answers

    The dead element present in the phloem is

    <p>Phloem fibres</p> Signup and view all the answers

    In desert pants, rate of water loss gets reduced due to the presence of

    <p>Cuticle</p> Signup and view all the answers

    A long tree has several branches. The tissue that helps in the sideways conduction of water in the branches is

    <p>Xylem parenchyma</p> Signup and view all the answers

    The cells of sclerenchyma have ________ cell wall due to deposition of _________.

    <p>Thick, lignin</p> Signup and view all the answers

    What is the process of adopting a permanent structure, shape and action to form permanent tissues?

    <p>Differentiation</p> Signup and view all the answers

    Which of the following is the major site for ATP generation?

    <p>Mitochondria</p> Signup and view all the answers

    Which fluid carries absorbed fat from intestine and drains excess fluid from extra cellular space back into the blood?

    <p>Lymph</p> Signup and view all the answers

    What is the function of hypodermis?

    <p>Both (c) and (d)</p> Signup and view all the answers

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