SPSC Lecturer Botany Past Paper 25-01-2006 41- Electron transport system involves: A. enzymes and cofactorsB. electron transfereeC. cell membranesD. all of the above View Answer Answer : D. all of the above Description 42- The mode in which sepals are arranged in a flower buds is: A. placentationB. aestivationC. phylotaxisD. None of these View Answer Answer : B. aestivation Description 43- A mango is an example of: A. pomeB. drupeC. pepoD. None of these View Answer Answer : B. drupe Description 44- A fleshy many seeded fruit developing from an inferior one celled or three celled syncarpous pistil with parietal placentation is: A. drupeB. pomeC. pepoD. None of these View Answer Answer : C. pepo Description 45- Plant growth depends on: A. cell divisionB. harmonesC. cell enlargementD. all of above View Answer Answer : D. all of above Description 46- Solar radiation drives the distribution of weather systems so influences the distribution of: A. every single ecosystemB. ecosystem of land onlyC. all ecosystem except those at hydrothermal veintsD. all of above View Answer Answer : A. every single ecosystem Description 47- Pollutants disrupt the ecosystem because: A. there are no evolved mechanism to deal with themB. there components differ from natural substancesC. there effect is only on ecosystem not on humansD. None of these View Answer Answer : A. there are no evolved mechanism to deal with them Description 48- Which of the following is not formed during glycolysis: A. NADHB. pyruvateC. FADH2D. ATP View Answer Answer : C. FADH2 Description 49- Placentation in Pea plant is: A. M tileB. irtarginalC. basalD. None of these View Answer Answer : B. irtarginal Description 50- A racemos inflorescence with elongated axis, sessile/lowers and overlapping spathes is: A. spadixB. umbelC. hypanthodiumD. None of these View Answer Answer : A. spadix Description 1 2 3
