Biology Radioactivity is a phenomenon of the spontaneous emission of All of these protons (alpha particles) gamma rays (short wave electromagnetic waves) electrons (beta particles) All of these protons (alpha particles) gamma rays (short wave electromagnetic waves) electrons (beta particles) ANSWER DOWNLOAD EXAMIANS APP
Biology How many pair of chromosomes are found in a human cell 18 27 32 23 18 27 32 23 ANSWER DOWNLOAD EXAMIANS APP
Biology Every ecosystem must have Photosynthesizers Heterotrophs Autotrophs Both A & B Photosynthesizers Heterotrophs Autotrophs Both A & B ANSWER DOWNLOAD EXAMIANS APP
Biology In which phylum nerve cells are found but nerves are absent ? Platyhelminthes Porifera Coelenterata Nemathelminthes Platyhelminthes Porifera Coelenterata Nemathelminthes ANSWER DOWNLOAD EXAMIANS APP
Biology Rate of breathing in a minute by man is 20-25 70-72 15311 16-18 20-25 70-72 15311 16-18 ANSWER DOWNLOAD EXAMIANS APP
Biology The skeleton secreting cells in poriferans are known as Scleroblasts Archaeocytes Collenocytes Pinacocytes Scleroblasts Archaeocytes Collenocytes Pinacocytes ANSWER DOWNLOAD EXAMIANS APP
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