SPSC Lecturer Botany Past Paper 25-01-2006 21- All the following are the examples of consumers except: A. parasiteB. carnivorousC. green plantsD. saprophytes View Answer Answer : C. green plants Description 22- A cactus is an example of: A. hydrophyteB. xerophyteC. saprophyteD. pteridophyte View Answer Answer : B. xerophyte Description 23- A food that may be contaminated by mercury is: A. turkeyB. fishC. chickenD. None of these View Answer Answer : B. fish Description 24- A fibrous type of root is present in: A. carrotB. radishC. oak treeD. grasses View Answer Answer : D. grasses Description 25- Organisms that live together in a relationship that benefits both of them illustrate: A. saprophytisumB. mutualismC. parasitismD. fermentation View Answer Answer : B. mutualism Description 26- The simplest method of reproduction is: A. conjugationB. fertilizationC. fissionD. sporolution View Answer Answer : C. fission Description 27- All the following are fruits except: A. tomatoB. cucumberC. orangeD. carrot View Answer Answer : D. carrot Description 28- The exchange of genes between homologous chromosome is called: A. polyploidyB. test crossC. crossing overD. synapse View Answer Answer : C. crossing over Description 29- When Mendel crossed hybrids, he derived: A. law of dominanceB. law of incomplete dominanceC. law of segregationD. None of these View Answer Answer : C. law of segregation Description 30- All the following are archegoniate plant except: A. marchantiaB. lycopodiumC. stigeoclomumD. pinus View Answer Answer : C. stigeoclomum Description 31- A fossil plant Rhynia is named after its: A. geological eraB. localityC. explorerD. None of these View Answer Answer : B. locality Description 32- A rhizophipie in Sellagliaiella is a part of: A. rootB. stemC. sporangiumD. None of these View Answer Answer : B. stem Description 33- Sclerenchyma is: A. storage tissueB. mechanical tissueC. assimilatory tissueD. vascular tissue View Answer Answer : B. mechanical tissue Description 34- Ectocarpus, a brown alga is found in: A. fresh waterB. marine waterC. pond waterD. None of these View Answer Answer : B. marine water Description 35- Agar Agar is derived from the cell wall of: A. brown-algaeB. green-algaeC. blue-green algaeD. red-algae View Answer Answer : D. red-algae Description 36- A seed is: A. an immature embryoB. a female gametophyteC. a mature oculicD. None of these View Answer Answer : C. a mature oculic Description 37- Energy from fossil fuel is: A. renewableB. non renewableC. both A and BD. None of these View Answer Answer : B. non renewable Description 38- Smog is a case of: A. air pollutionB. ozone layer thinningC. both A and BD. None of these View Answer Answer : A. air pollution Description 39- Glycolysis starts and ends in the: A. nucleusB. mitochondriaC. plasma membraneD. cytoplasm View Answer Answer : D. cytoplasm Description 40- The pathway of aerobic respiration is completed in the: A. nucleusB. mitochondriaC. plasma membraneD. cytoplasm View Answer Answer : B. mitochondria Description 1 2 3