CITY UNIVERSITY OF NEW YORK MEDGAR EVERS COLLEGE DEPARTMENT OF BIOLOGY BIOL 202
ID: 256506 • Letter: C
Question
CITY UNIVERSITY OF NEW YORK MEDGAR EVERS COLLEGE DEPARTMENT OF BIOLOGY BIOL 202 MID-TERM EXAM ANSWER ALL QUESTIONS TRUE OR FALSE. IF TRUE SHADE A IF FALSE SHADE B 1. Some viruses have beneficial effects 2. The complete viral particle is known as a virion terial between 3. H orizontal gene transfer is the movement of genetic ma organisms other than by descent. 4. Hermaphrodites cannot self- fertilize. 5. Embryonic torsion occurs in the class cephalopoda of the Phylum Mollusca 6. Pathenogenesis is the process by which unfertilized eggs develop into (often) haploid adults. 7. Sexual reproduction produces more numerous offsprings in a short period than asexual reproduction 8. Fragmentation is the braking of the body of an organism into several pieces some or all of which develop into complete adult. 9. The nutrient in a developing plant embryo is the endosperm. 10. Bacteria form endospores in order to overcome harsh conditions. 11.Lignin is a tissue in plants that reinforces the conducting vessels to enable the plant stand firm. 12. Alexander Flaming discovered the art of vaccination. 13.Organisms that depend on organic molecules into to manufacture energy are known as autotrophs. 14. Chordates such as reptiles that incapable of regulating their body temperatures are said to be cold-blooded. 15. Human do not communicate by means of pheromones under any condition 16. Viral diseases can be treated using modern day antibiotics. 17.Tuberculosis is caused by a viral infection. 18. All plants have a tap-root. 19.All bacteria have deleterious effect.Explanation / Answer
17) False because Tuberculosis is caused by Bacterium called Mycobacterium Tuberculosis.
18) False Because only dicotyledonous plants will have Taproot system while Monocots have the Fibrous root system.
19) False, Hermaphrodites can self-fertilize the reason behind having both sexes in the single organism is for self-fertilize.
9) True because endosperm is the storage form of food for developing embryo.