DAT Questions And Accurate Answer,

Which of the immune cells are inherently phagocytic? 1. Monocytes 2. Neutrophils 3. Macrophages 4. A & C 5. B & C - correct answer 5 Bone tissue remodelling is a function of which of the following? A. osteons B. Osteoblasts C. osteoclasts D. B & C E. osteoprogenitors - correct answer D In the 3 domain classification of life, members of archaea have more biochemical similarities with which of the following? A. Bacteria B. Eukaryotes C. Cyanobacteria D. A&C E. None of the above. - correct answer B Whats not a function of the kidneys? A. Renal reabsorption B. renal excretion C. Hormone secretion D. filtration E. Micturition - correct answer E. Micturition is the process by which urine is intermittently released from the bladder. The region of the heart that initiates the heartbeat is? - correct answer sinoatrial node. which cell organelle breaks down toxic chemicals? A. lysosome B. peroxisome C. ribosome D. centriole E. desmosome - correct answer B. lysosome just digests cellular wastes. Developing embryo has divided into 32 cells it is called? - correct answer Morula. process by which embryonic cels differentiate into their final cell types during devt is called? - correct answer induction. During fertilization sperm binds to what of the egg? A. acrosome B. Zygote C. zona pellucida D. zona pericolosa. E. cortical granules - correct answer C. D - no such thing. According to the principle of __, speciation is a slow process that occurs over time. A. Natural Selection B. punctuated equilibrium C. Gradualism D. Mass extinction E. Adaptation - correct answer C. B - rapid change triggered by environmental distress. Multicellular bodies, movement and heterotrophy are characteristics of which of the following kingdom(s)? A. Monera B. Protista C. Animalia D. Plantae E. B&C - correct answer E. A - unicellular D. immobile autotrophs B &C by def have multicellular and motile members. Type III survivorship Curve is? - correct answer mortality occurs early in life i.e. die early Type I survivorship curve is? - correct answer Mortality occurs late in life. normal. Type II survivorship curve is? - correct answer mortality rate constant regardless of age. The innermost layer of the meninges is the? A. Dura mater B. Epidural space C. subdural space D. subarachnoid space E. Pia mater - correct answer E. Meninges is the outer membrane that covers and protects the brain and spinal cord. Divied into multiple layers. Outermost is A. middle layer is arachnoid layer. innermost is E. epidural space is the outermost layer of the spinal canal. The subarachnoid space (D) is between arachnoin and pia mater. C is btw the dura and arachnoid mater when injury occurs. Test 2: Immunoglobulin that is found in bodily secretions such as tears and breast milk is? A. IgA B. IgB C. IgD D. IgM E. IgE - correct answer A. In movement, the muscle group that prevents the movement of bone is the: A. Origin B. Agonist C. Antagonist D. Fixator E. Insertion - correct answer D.