161 Which one is an organic compound_____________? Biology Medium Full question → A CO2 B Water C Lipids D HCI
162 Which chemical component has the greatest contribution in the total mammalian cell weight__________? Biology Medium Full question → A Proteins B Carbohydrate C Lipids D Water
163 The branch of biology which deals with the study of chemical compounds and the chemical processes in the fliving organisms is called_________________? Biology Medium Full question → A Chemistry B Biochemistry C Molocular biology D Both a and b
164 Which chemical component has the same % in bacterial as well as the mammalian cell_____________? Biology Medium Full question → A Water B Carbohydrate C Proteins D Lipids
165 Reactions in which simple substances are combined to form complex substances are called_____________? Biology Medium Full question → A Metabolic reactions B Catabolic reactions C Anabolic reactions D None of these
166 Which one is the basic element of organic compounds _________________? Biology Medium Full question → A Oxygen B Hydrogen C Sulphur D Carbon
167 The bond formed when two or more atoms complete their electron shells by sharing electrons is called_____________? Biology Medium Full question → A Ionic bond B Hydrogen bond C Covalent bond D Electrovalent bond
168 During digesting the phagocytosed food particles vesicles formed from fusion of phagocytic vacuole with the enzymes secreted by Golgi apparantus are called_______? Biology Medium Full question → A Lysosomes B Primary lysosomes C Secondary lysosomes D Food vacuole
169 Which of the following impart a red colour to Rose petals? Biology Medium Full question → A Chloroplast B Chlorophyll C Chromoplast D Leucoplast
170 Ribosomes + m-RNA? Biology Medium Full question → A Polysome B Phlosome C Polosome D None of these
171 Which of the following statement is incorrect about Glyoxisomes? Biology Medium Full question → A They contain enzymes which help in conversion of fatty acids into carbohydrate B They are abundant in soyabeans but absent in pea. C They are present through out life of a plant and provide them whth energy through Glyoxylate cycle. D They are signle membranous organelles
172 Pancreas produces secretory granules that help in digestion. These granules after passing through endoplasmic reticulum are pinched off from ________ surface of Golgi apparatus: Biology Medium Full question → A Forming face B Maturating face C Any of them D None of these
173 60S and 40S subunit combine to form ________ particle. Biology Medium Full question → A 100 S B 90 S C 80 S D 70 S
174 Whone is not the function of endoplasmic reticulum? Biology Medium Full question → A Nerve impulse conduction B Transport of material C Mechanical support D Synthesis of conjugated molecules
175 Spherical or tubular membranes which separate the material present in endoplasmic reticulum from that of cytoplasmic material are called__________? Biology Medium Full question → A Cytosol B Cisternae C Polysomes D Cristae
176 Strengthening material of prokaryotic cell wall is__________? Biology Medium Full question → A Cellulose B Chitin C Inorganic salts silica waxes and ligin D Peptidoglycan or Murein.
177 Optimal temperature of enzymes present in human body is_____________? Biology Medium Full question → A 27?C B 37?C C 47?C D 30?C
178 A chemical substance which can react (in place of substrate) with the enzyme but is not transformed into product/s and thus blocks the active site temporarily or permanently is called_______________? Biology Medium Full question → A Co-enzyme B Blocker C Inhibitor D Cofactor
179 A substance which binds at the active site of the enzyme but does not result in the formation of the products is called________________? Biology Medium Full question → A Irreversible inhibitor B Reversible inhibitor C Competitive inhibitor D Non-competitive inhibitor
180 Which of the statement about cell membrane is not true? Biology Medium Full question → A It contains protein molecules embedded in lipid bilayer B It is a differentially permeable membrane. C It contains charged pores thus ions being charged particles cross cell membrance much easier than neutral particles. D It may get infolded to engulf solid or liquid material.