Biology Which of the following is true of enzymes? Enzymes lowers the activation energy for the chemical reaction Both A & B Enzymes speed up the rate of a chemical reaction Neither A nor B Enzymes lowers the activation energy for the chemical reaction Both A & B Enzymes speed up the rate of a chemical reaction Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Biology Where does protein synthesis take place? Ribosomes Nucleus All of these On the cell wall Ribosomes Nucleus All of these On the cell wall ANSWER DOWNLOAD EXAMIANS APP
Biology Number of chromosomes in Down's syndrome is 46 48 49 47 46 48 49 47 ANSWER DOWNLOAD EXAMIANS APP
Biology Which one of the following diseases is caused by bacteria and spreads through faecal matter by houseflies ? Chickenpox Diphtheria Typhoid Pertussis Chickenpox Diphtheria Typhoid Pertussis ANSWER DOWNLOAD EXAMIANS APP
Biology Floridian starch is characteristic energy storage material of which algae? Brown algae Red algae Green algae Blue green algae Brown algae Red algae Green algae Blue green algae ANSWER DOWNLOAD EXAMIANS APP
Biology Scientist who is known as father of Botany Linneus Theophrastus Aristotle Darwin Linneus Theophrastus Aristotle Darwin ANSWER DOWNLOAD EXAMIANS APP