Biology Placenta is the structure formed None of these by foetus only by the union of foetal and uterine tissue by fusion of germ layers None of these by foetus only by the union of foetal and uterine tissue by fusion of germ layers ANSWER DOWNLOAD EXAMIANS APP
Biology Which organ filters blood in human body? Heart Liver Lungs Kidneys Heart Liver Lungs Kidneys ANSWER DOWNLOAD EXAMIANS APP
Biology Who discovered the insecticidal properties of DDT Othmanzedicer Paul Muller R.H. Painter Rachel Carson Othmanzedicer Paul Muller R.H. Painter Rachel Carson ANSWER DOWNLOAD EXAMIANS APP
Biology Which of the following is true of annelids? They have an open circulatory system They have a nerve net They have pseudocoeloms They perform gas exchange across their skin They have an open circulatory system They have a nerve net They have pseudocoeloms They perform gas exchange across their skin ANSWER DOWNLOAD EXAMIANS APP
Biology It is formed by a repeating nucleosome units ,which are closely attached to each other to a continuous fibre. Chromatin Centromere DNA Chromosome Chromatin Centromere DNA Chromosome ANSWER DOWNLOAD EXAMIANS APP
Biology Biologists mainly deal with matters relating to All three a b and c How life works Living part of nature Non living things influencing living things All three a b and c How life works Living part of nature Non living things influencing living things ANSWER DOWNLOAD EXAMIANS APP
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