Biology Radioactivity is a phenomenon of the spontaneous emission of electrons (beta particles) gamma rays (short wave electromagnetic waves) All of these protons (alpha particles) electrons (beta particles) gamma rays (short wave electromagnetic waves) All of these protons (alpha particles) ANSWER DOWNLOAD EXAMIANS APP
Biology Night blindness is cause by lack of which vitamin? Vitamin C Vitamin A Vitamin B Vitamin D Vitamin C Vitamin A Vitamin B Vitamin D ANSWER DOWNLOAD EXAMIANS APP
Biology Sponges belongs to the phylum Annelida Cnidaria Protozoa Porifera Annelida Cnidaria Protozoa Porifera ANSWER DOWNLOAD EXAMIANS APP
Biology Which chromosomes are identical to each other on the basis of their morphology ,position of centromere and other characteristics? Sex chromosomes Autosome chromosomes Heterozygous chromosomes Homologous chromosomes Sex chromosomes Autosome chromosomes Heterozygous chromosomes Homologous chromosomes ANSWER DOWNLOAD EXAMIANS APP
Biology Which organelles supply energy to the cell? None of these Mitochondria Cytoplasm Ribosomes None of these Mitochondria Cytoplasm Ribosomes ANSWER DOWNLOAD EXAMIANS APP
Biology In animals like Annelids, Molluscs, organs have associated to form functional systems, each system concerned with a specific physiological function. This pattern is called ________ system level of organization. Coelom Open Closed Organ Coelom Open Closed Organ ANSWER DOWNLOAD EXAMIANS APP
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