2020/2021 Post UTME Past questions and AnswersQuestion 1. The muscle cell fluid of an athlete was tested immediately after a 100m race and was found to contain a high concentration of lactic acid. Explain what could have caused this.(A) the athlete must have eaten food containing a lactic acid(B) the athlete must have injected lactic acid into his blood just before the race(C) the athlete must have carried out anaerobic respiration during the race(D) the athlete must have inhaled lactic acid from the environment during the race.Question 2. One of this is not a continuous variation(A) height(B) weight(C) tongue rolling(D) skin colourQuestion 3. One of the following is usually worm-like, cylindrical or flattened(A) molluscs(B) insects(C) nematodes(D) annelidsQuestion 4. The roots hairs are(A) strength and support(B) conducting liquid(C) absorption of water and salt(D) penetration into the soilQuestion 5. The random way genes recombine during meiosis and post utme past questions for unical fertilization leads to(A) genetic variation(B) phenotype(C) genome(D) genotypeQuestion 6. In a cell, the genes are carried by(A) Nuclear membrane(B) Chromatin threads(C) lysosomes(D) MitochondriaQuestion 7. An ecosystem is composed of all of the following except:(A) Plants(B) Animals(C) Temperature(D) MeadowsQuestion 8. In a food web, tertiary consumers belong to which trophic level(A) First(B) Second(C) Third(D) FourthQuestion 9. The primary structure responsible for pumping blood for circulation through the mammaliancirculatory systems are the(A) Veins(B) Right auricle(C) Arteries(D) Left ventricleQuestion 10. The cocoon into which an earthworm lays its egg is produced in the(A) prostomium(B) peristomium(C) chaeta(D) clitellumQuestion 11. Daughters receive their X-chromosome from their ___(A) father(B) mother(C) relative(D) siblingsMore available on http://www.examkits.com