SPSC Lecturer Botany Past Paper 2009 41- Which one of the following organisms is not an autotroph? A. MossB. GrassC. MushroomD. None of these View Answer Answer : C. Mushroom Description 42- Seed habit originated in: A. AlgaeB. FungiC. BryophytesD. Pieridophytes View Answer Answer : D. Pieridophytes Description 43- The cells which produce roots hairs are called: A. LithocystsB. CystolithsC. TrichoblastsD. Trichomes View Answer Answer : C. Trichoblasts Description 44- Black rust of wheat is caused by: A. RhizopusB. YeastC. PenicilliumD. Puccinia View Answer Answer : D. Puccinia Description 45- The smallest organelle in a cell is: A. LysosomeB. SpherosomeC. PeroxisomeD. Ribosome View Answer Answer : D. Ribosome Description 46- Which one of the following is a fruit? A. PotatoB. RaddishC. GingerD. Lady’s Finger View Answer Answer : D. Lady’s Finger Description 47- Plants of Hepaticopsida are usually known as: A. HornwortsB. Stone worts C. LiverwortsD. Mosses View Answer Answer : C. Liverworts Description 48- Region of soil surrounding the root is: A. RhonlumB. RhizoniumC. RhizosphereD. Rhize View Answer Answer : C. Rhizosphere Description 49- World environmental day is observed on: A. 5th JuneB. 22nd AprilC. 16th SeptemberD. 11th July View Answer Answer : A. 5th June Description 50- The largest ocean in the world is: A. Atlantic OceanB. Indian OceanC. Pacific OceanD. Arctic Ocean View Answer Answer : C. Pacific Ocean Description 1 2 3