20 July 2023 By underratedcollege.com 0 MCAT Biology Practice Set (1) Welcome to your MCAT Biology Practice Set (1) 1-) Which photosynthetic pigment reflects yellow red light? A. Chlorophyll A B. Chlorophyll B C. Carotenoid D. Xanthophylls E. Phytochrome None 2-) Which of the following is an example for denitrifying bacteria? A. Nitrosomonas sp B. Nitrobacter sp C. Rhizobium sp D. Pseodomonas sp E. All of the above None 3-) Which of the following glands secrete the FSH hormone? A. Islets of Langerhans B. Anterior pituitary gland C. Posterior pituitary gland D. Parathyroid gland E. Testis None 4-) Which among the following processes results in dark coloured amorphous substance during decomposition in soil? A. Mineralization B. Fragmentation C. Leaching D. Humification E. None of the above None 5-) By which of the following processes, does the exchange of DNA occur due to pairing of two chromosomes? A. Mutation B. Crossing over C. Mitosis D. Transduction E. Transformation None 6-) Archaeopteryx belongs to the A. Jurassic era B. Deuonian era C. Cretaceous era D. Triassic era E. None of these None 7-) Spleen is an organ of which of the following systems? A. Digestive system B. Endocrine system C. Excretory system D. Lymphatic system E. Respiratory system None 😎 A region with high level of endemic species that is under threat from humans is called A. Botanical garden B. Wild life Sanctuaries C. Zoos D. Biodiversity hotspot E. None of these None 9-) G protein receptors have A. 5 transmembrane ß helices B. 7 transmembrane a helices C. 5 transmembrane a helices D. 6 transmembrane a helices E. 7 transmembrane ß helices None 10-) Which of the following metals is responsible for Itai-itai disease? A. Arsenic B. Cadmium C. Lead D. Mercury E. Uranium None 11-) Which of the following produces angiotensinogen? A. Liver B. Pancreas C. Kidney D. Thyroid gland E. Pituitary gland None 12-) Deposition of sediments or sediment accumulation is known as A. Profundation B. Aggradation C. Biocoenosis D. Trophic succession E. None of these None 13-) What is the inactivated X chromosome in females called? A. Barr body B. Heterochromatin C. Euchromatin D. Nucleosome E. None of the above None 14-) Lowest area of water body is called A. Littoral zone B. Aphotic zone C. Photic zone D. Benthic zone E. None of the above None 15-) The type of petrification in which the organic matter of the dead body is replaced by double carbonates of calcium and magnesium is called A. Silicification B. Pyritization C. Carbonization D. Dolomitization E. None of these None Time's up Post navigation Previous PostPrevious MCAT READING PRACTICE TESTS (1)Next PostNext Cisco Certified Network Associate (CCNA) : Part 01
