💥 General Science & Ability: Some Important BIOLOGICAL MCQ 🧬🧫

 ⭕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: Christian 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


⭕ATP?

⭕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: 38 ATP


⭕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: Autophagy


⭕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 Schwann


⭕Schwann cell are seen in?

⭕Ans: Nerve cell


⭕In plants, boundary of cell is made up of cellulose called?

⭕Ans: Cell wall


⭕Outer most covering of plant cell is made up of?

⭕Ans: Cell wall


⭕Cell wall is made up of?

⭕Ans: Cellulose


⭕The hardest and undig 

estable sugar?

⭕Ans: Cellulose


⭕Outermost covering of animal cell is made up of?

⭕Ans: Cell membrane


⭕Cotton is the example of?

⭕Ans: Pure cellulose


⭕The group of cells is known as?

⭕Ans: Tissue

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