SPSC Lecturer Botany Past Paper 08-02-2011 1- Botanic Gardens have collection of living plants for the purpose of: A. Display & Education B. Research & ConservationC. Both of them D. None of these View Answer Answer : C. Both of them Description 2- A group of individual having the same chromosome number is called: A. KarygamyB. KaryolysisC. KaryotypeD. None of these View Answer Answer : C. Karyotype Description 3- Royal botanic garden, Kew(k) is present in: A. EnglandB. RussiaC. AustraliaD. New Zealand View Answer Answer : A. England Description 4- A strophiole is usually present in the seeds of the members of: A. AsteraceaeB. FabaceaeC. MalvaceaeD. None of these View Answer Answer : B. Fabaceae Description 5- Megaspore mother cell undergoes division which is a: A. MeioticB. Mitotic division C. Nuclear division D. None of these View Answer Answer : A. Meiotic Description 6- Which one is odd: A. AsteraceaeB. Capitulum head C. PoaceaeD. None of these View Answer Answer : C. Poaceae Description 7- Meiosis Prophase 1 has: A. Two subdivisions B. Three subdivisions C. Four subdivisionsD. Five subdivisions View Answer Answer : D. Five subdivisions Description 8- DNA molecule does not contain: A. AdenineB. UracilC. ThymineD. Cytosine View Answer Answer : B. Uracil Description 9- The functional unit of gene responsible for the synthesis of one polypeptide is called: A. ReconB. MutonC. CistronD. Gene View Answer Answer : C. Cistron Description 10- Colchicine inhibits which stage of mitosis: A. ProphaseB. TelophaseC. MetaphaseD. Spindle formation View Answer Answer : D. Spindle formation Description 11- Purple colouration on plant parts in tomato is due to the deficiency of which element? A. NitrogenB. PhosphorusC. PotashD. Calcium View Answer Answer : B. Phosphorus Description 12- Ants are social insects because: A. they live in coloniesB. they live in forestsC. they have a languageD. they share food View Answer Answer : A. they live in colonies Description 13- The plants produced by genetic engineering are called: A. RecombinantsB. Transgenic plantsC. Genetic clones D. None of these View Answer Answer : B. Transgenic plants Description 14- Canal irrigation has increased the: A. water logging B. soil salinity C. both of theseD. none of these View Answer Answer : C. both of these Description 15- Wildlife management is necessary for protection of: A. Forest soils B. Forest animals C. Both A and BD. None of these View Answer Answer : C. Both A and B Description 16- In case of asexual reproduction, which type of variations do not exist in the progeny: A. hereditaryB. environmentalC. Both A and BD. None of these View Answer Answer : A. hereditary Description 17- Angiospermic seed is formed from the: A. Ovary B. OvuleC. Embryo sac D. Carpel View Answer Answer : B. Ovule Description 18- Most of the present day atmospheric oxygen is thought to have been formed by the activity of: A. Blue green algaeB. Red algae C. Green algae D. Cryophytes View Answer Answer : A. Blue green algae Description 19- Which is the fossil genus of Pteridophilic plants: A. LepidodendronB. PsilophytonC. RhymiaD. All of these View Answer Answer : D. All of these Description 20- Capacity of a pathogen to produce disease in plant depends upon: A. Host susceptibility B. Environmental conditionsC. Both of theseD. None of these View Answer Answer : C. Both of these Description 1 2 3