Biology When the diaphragm and external intercostal muscles contract, The lungs shrink The volume of the thorax decreases The volume of the thorax increases The volume of the lungs decreases The lungs shrink The volume of the thorax decreases The volume of the thorax increases The volume of the lungs decreases ANSWER DOWNLOAD EXAMIANS APP
Biology Muscular wall of the heart is externally covered by Myocardium Epithelium Epicardium Endothelium Myocardium Epithelium Epicardium Endothelium ANSWER DOWNLOAD EXAMIANS APP
Biology Green pigment is called Carotene Phycobillin Chlorophyll Xanthophyll Carotene Phycobillin Chlorophyll Xanthophyll ANSWER DOWNLOAD EXAMIANS APP
Biology Which structure is specific to eukaryotic cells? Nucleus DNA Cell membrane Cytoplasm Nucleus DNA Cell membrane Cytoplasm ANSWER DOWNLOAD EXAMIANS APP
Biology Main nitrogenous product formed in man Ammonium nitrate Ammonia Urea Uric acid Ammonium nitrate Ammonia Urea Uric acid ANSWER DOWNLOAD EXAMIANS APP
Biology Which of the following acts as an insulator against heat, cold and as a shock-absorber in the body ? Dermis Subcutaneous fat layer Epidermis None of these Dermis Subcutaneous fat layer Epidermis None of these ANSWER DOWNLOAD EXAMIANS APP
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