Important_Questions MCQ


 The word cell came from the latin word. 
 Ans: Cellula

 All living organisms are made up of 
 Ans: Cell

 Study of cell - Cytology

 Study of tissue - Histology

 The physical unit of life 
 Ans: Protoplasm

 Who invented the cell?
 Ans: Robert Hook in 1665

 Cell theory was proposed by?
 Ans: M.J. Schleiden and Theodor Schwann (1839)

 Scientist who observed cork cells under a microscope?
 Ans: Robert Hook

 Plant cell was discovered by?
 Ans: Robert Hook

 The term protoplasm was coined by 3.E. Purkinje Scientist who called protoplasm as the physical basis of life T.H. Huxley

 Largest cell
 Ans: Ostrich's egg

 Smallest cell?
 Ans: Mycoplasma

 Organisms known as pleuro pneumonia like organism (PPLO)? 
 Ans: Mycoplasma

 Smallest cell in the human body?
 Ans: Sperm

 Largest cell in human body?
 Ans: Ovum

 Longest cell in human body?
 Ans: Neuron

 Power house of a cell?
 Ans: Mitochondria

 Brain of the cell?
 Ans: Nucleus

 Kitchen of the cell?
 Ans: Chloroplast

 Energy Currency of the cell?
 Ans: ATP

 Suicidal bag?
 Ans: Lysosomes

 Traffic Police of the cell?
 Ans: Golgibodies

 Skeletal system of the cell?
 Ans: Endoplasmic reticulum

 The cell having most life span in human body?
 Ans: RBC

 Cytoplasm and Nucleus are included in?
 Ans: Protoplasm

 The cell organelle known as protein factory?
 Ans: Ribosome

 The organelle in the site of protein synthesis?
 Ans: Ribosome

 Ribosome has its own?
 Ans: RNA

 Two types of acids present in cell?
 Ans: DNA and RNA

 The basic unit of chromosome?
 Ans: DNA

 The functional unit of DNA?
 Ans: Genes

 Function of DNA?
 Ans: Transmission of hereditary traits

 Function of RNA?
 Ans: Protein synthesis

 Each chromosome has?
 Ans: A pair of DNA

 DNA sugar is called?
 Ans: Deoxyribose

 The nitrogen bases in DNA?
 Ans: Adenine, Guanine, Thymine, Cytosine

 The RNA sugar?
 Ans: Ribose

 The nitrogen bases in RNA?
 Ans : Adenine, Uracil, Cytosine and Guanine

 The double helical model of DNA was discovered by?
 Ans: James Watson and Francis Crick

 The enzyme present in lysosome?
 Ans: Hydrolytic enzyme

 Lysosome was discovered by?
 Ans: Christion de Duve (1955)

 Compounds enter the cell through? 
 Ans: Endoplasmic reticulum

 The cell organelle which is the sites of energy transfer in living cell?
 Ans: Mitochondria

 The functions of mitochondria?
 Ans: Cellular respiration, ATP production

 The stage of cellular respiration which does not need oxygen? 
 Ans: Glycolysis

 The term Mitochondria was coined by?
 Ans: Carl Benda (1898)

 Name the process in which the main product is energy?
 Ans: Cellular respiration

 In mitochondria the energy is formed in the form of?
 Ans: ATP molecules

 Which molecule is known as the energy currency?
 Ans : ATP molecule

 Ans: Adenosine Triphosphate

 The cell that lacks mitochondria and nucleus?
 Ans: RBC

 Number of ATP molecule that will get from one molecule of glucose?
 Ans: 38ATP

 The elements in the component of ATP?
 Ans: Nitrogen and phosphorus

 Kerb's cycle is related to? 
 Ans: Cellular respiration

 Cell respiration was discovered by?
 Ans: Adolf Krebs

 The whole process of a cell is controlled by?
 Ans: Nucleus

 The cell without nucleus?
 Ans: Prokaryotic cell

 The cell with nucleus? 
 Ans : Eukaryotic cell

 Nucleus was discovered by?
 Ans : Robert Brown

 Name the process in which lysosome digest its own cell organelles? 
 Ans: Autoplagy

 A network like structure inside the nucleus is called?
 Ans: Chromatin Reticulum

 The structure of cell is first explained in the book of?
 Ans: Micrographia

 The living thing which do not obey cell theory?
 Ans: Virus

 The scientist first studied about all structure and cell reaction? 
 Ans: Theodor Schwaan

 Schwaan cell are seen in?
 Ans: Nerve cell

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