In all arthropods,the body is covered with a chittinous cuticle which is secreted by the____________? Options: A. EndodermisB. MesophyllC. ChitinD. Epidermis View Answer D. Epidermis
Empty diatom cells are called___________? Options: A. RapheB. ValvesC. FrustuleD. Girdles View Answer C. Frustule
Vacuoles are fluid filled sacs surrounded by a membrane called__________? Options: A. tonoplastB. nuclear membraneC. cell membraneD. cell wall View Answer A. tonoplast
branches of biology and medicine concerned with the structure and function of plant and animal cells is called___________? Options: A. NephrologyB. SemiologyC. OrologyD. Cytology View Answer D. Cytology
Sickle cell anemia was discovered by_________? Options: A. Vernon IngramB. SangerC. MiescherD. none of these View Answer A. Vernon Ingram
The terms procariotique and eucariotique were proposed by___________? Options: A. WhittakerB. ChattonC. HaeckelD. Margulis and Schwartz View Answer B. Chatton
Which branch of science is short in laws ? Options: A. BiologyB. PhysicsC. ChemistryD. All of these View Answer A. Biology
Mild tertian malaria is caused by _______ ? Options: A. Plasmodium vivaxB. Plasmodium falciparumC. Plasmodium ovaleD. Plasmodium malariae View Answer A. Plasmodium vivax
More water is reabsorbed in blood due to _________ ? Options: A. More anti-diuretic hormoneB. Lesser anti-diuretic hormoneC. Active functioning of pancreasD. Inactivity of pituitary gland View Answer A. More anti-diuretic hormone
Fishes, most of the invertebrates and amphibians are examples of ________ animals? Options: A. EndothermsB. EctothermsC. HeterothermsD. Homeotherms View Answer B. Ectotherms