💥 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