Biology To complete one heart beat the time taken is 1.5 sec 1 minute 0.8 second 1 sec 1.5 sec 1 minute 0.8 second 1 sec ANSWER DOWNLOAD EXAMIANS APP
Biology Which of the following is true of enzymes? Both A & B Neither A nor B Enzymes lowers the activation energy for the chemical reaction Enzymes speed up the rate of a chemical reaction Both A & B Neither A nor B Enzymes lowers the activation energy for the chemical reaction Enzymes speed up the rate of a chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Biology Which chemical is not found in DNA nucleotides? Adenine Uracil Thymine All of these Adenine Uracil Thymine All of these ANSWER DOWNLOAD EXAMIANS APP
Biology One of the following is most suitable for study of mutations Polyploid Tetraploids Diploids Haploids Polyploid Tetraploids Diploids Haploids ANSWER DOWNLOAD EXAMIANS APP
Biology In all arthropods,the body is covered with a chittinous cuticle which is secreted by the Endodermis Epidermis Chitin Mesophyll Endodermis Epidermis Chitin Mesophyll ANSWER DOWNLOAD EXAMIANS APP
Biology Which of the following serves as a nutritive tissue for the growing embryo? Endosperm Zygote Ovary Ovule Endosperm Zygote Ovary Ovule ANSWER DOWNLOAD EXAMIANS APP