Sindh Public Service Commission Lecturer Botany Old Papers and MCQs, PPSC Lecture , FPSC Lecturer , Punjab Educators Guide NTS GAT Subject MCQs, Sindh PUBLIC SERVICE COMMISSION. HYDERABAD. PRE-INTERVIEW WRITTEN TEST FOR RECRUITMENT TO THE POST OF in sindh

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Sindh Public Service Commission Lecturer Botany Old Papers and MCQs, PPSC Lecture , FPSC Lecturer , Punjab Educators Guide NTS GAT Subject MCQs,
Sindh PUBLIC SERVICE COMMISSION. HYDERABAD. PRE-INTERVIEW WRITTEN TEST FOR RECRUITMENT TO THE POST OF LECTURERS BOTANY BPS-17 Wednesday the 25 January 2006 pale Time: 2.00 p.m. to 3.00 P.M. L Max Marks: 100 QUESTION PAPER. General Instructions
1. Candidates are to attempt all questions , All questions carry equal marks.
1. Answer all Questions on Answer Sheet provided.
3. Write your Roll No., Name, Father's Name & Center on the Answer Sheet
WITHIN THE SPACE PROVIDED.
DO NOT WRITE THESE DATA ANYWHERE ELSE ON THE ANSWER SHEET. DOING SO WILL RENDER YOU TO ' PENALTIES.
4. Each mistake made will result in deduction of half mark.
5. Circle the appropriate answer in BLUE or BLACK BALL POINT/FOUNTAIN PEN only.
6. SIGN YOUR ANSWER SHEET IN SPACE PROVIDED.
7. Return your Answer Sheet when you are asked to.
913ESTION NO:
A. .Algae which inhibits the snow are termed as:
a) Cryophytes b) Cryptophytes. c) Halophytes.
2. Flagellated cells are absent in class:
a) Chlurophycele
b) Xanthophyceae.
c) yanophyeeae.
3• • Site for nitroger fixation in blue green-algae is: a) akienete hl heto-oo st cl harmospore

"Conjugation" a type of reproduction in algae is found in a) chiamydomonasb) oedogonium. c) spirogyra, S. Thermal algae belongs to class: a) cyanophyceae b) rhodophyceae. 6. Irregular colonies are called: a) dendroid b) coenobic c) palmelloid •
7. Plants without vascular tissue and having naked reproductive structures are: c) algae a) bryophyte b) fungi
Algae which is frequently used as food is: a) ectocarpus b) oedogonium c) ulva
9. Dominant plant body in bryophyte is: a) haploid b) diploid
10. A complete set of chromosome inherited as a unit from parent is a: c) gamete a) DNA I)) gene
I I. Stomata's are most largely present on: a) stem b) root c) leaf
12. Cambium is not found in: a) client b) monocot c) gymnosperm.
13. Star shaped sclereids are called: a) ?stro sclereids b) asteo sclereids c) braceosclereids
14. The secondary thickening-of the wall of the sclerenchyma is: a) cellulose b) lignin c) pectin
15. Peel off method is used for the study of all types of fossil: a) 'FIDE b) FALSE 16. Cast and mold.have organic structures: a) 'HUT b) FALSE
17. "1.%% o elements needed for the production of chlorophyll are: a) chlorine and copper b) calcium and phosphorus c) magnesium and iron IS. An example of saprophyte is: a) bread mold b) lichen c) athlete's food fungus .? disease caused by bacteria is: small pox b) rabies c) poliomyelitis d) tetanus Poisons produces by bacteria aye: antibodies b) toxins toxoids d) antitoxins 21. All the following are the examples of consumers except: a) parasite b) carnivorous c) green plants d) saprophytes

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A cactus is an example of: hydrophyte .. xerophyte xaprophyte d) pteridophyte • A food that may be contaminated by mercuryis: a) chicken b) fish A fibrous type of root is present inc:) turkey a) carrot b) radish c) oak tree d) grasses Organisms that live together in a relationship that benefits both of them illustrate: a) saprophytisum b) mutualism c) parasitism d)fermentation 26 The simplest method of reproduction is . njugation h) fertilization c) fission d) sporolution All the following are fruits except: a) tomato b) cucumber c)com d) orange e) carrot 28. The exchange of genes between homologous chromosome is called: a) polyploidy b) test cross c) crossing over d) synapse 29 When Mendel crossed hybrids, he derived: a) law of dominance b) law of incomplete dominance c) law of segregation 30. All the following are archegoniate plant except: a) marchantia b) lycopodium c) rtigeoclomum d) pinus 31. A fossil plant Rhynia is named after its: a) explorer h) locality c) geological era 32. A rhizophpje in Sellagiaiella is a part of: a) root h) stein c) sporangium 33. Sclefenchyma: a) storagetisstic b) mechanical-tissue c) assimilator% tissue d) vascular tissue 34. Ectocarpus. a brow n alga is found in: a) fresh %vater I)) marine water c) pond water 35. Agar 1gar is deri% ed from the cell wall of: a) bro%% n algae b) green algae c) blue-green algae d) red-algae 36. A seed is: a) a female gametophyte I)) a mature^ovule c) an immature min.% o /3/. Energy from fossil fuel is 38. a) renewable no renewa fi a) air pollution Smog is a case of aje b) at. am a lu.a.E.A c) ozone layer thinning 39. Glycolysis starts and ends in the: a) nucleus b) c) plasma membrane d)


;-:-
mitochondria cytoplasm

t, i:1
?

278

The pathway of aerobic respiration is completed in the 40. c) plasma membrane a) nucleus 41. Electron transport system involves: a) enzymes and cofactors, b) electron transferee c) cell membranes d) all of the above 42. The mode in which sepals are arranged inoa flower budsis: a) placentation b) "aestivatiort" A mango is an example of a) pome b) drupe c) pepo 44 A fleshy many seeded fruit developing from an inferior one celled or three celled syncarpous pistil with parietal placentation is: pome b) drupe Plant growth depends on: cell division cell enlargement Solar radiation drives the distribution influences the distribution of a:
d) cytoplasm
a) 45. a) c) 46. a) c) 47. a) b) c) 48. a.) 49. a) 50. a)
c) pepo
b) harmones d) all of above of weather systems so
every single ecosystem b) ecosystem of land only all ecosystem except those at hydrothermal veints Pollutants disrupt the ecosystem because there are no evolved mechanism to deal with them there components differ from natural substances there effect is only on ecosystem not on humans Which of the following is not formed during glycolysis NADH b) pyruvate c) FADH2 d) ATP Placentation In Pea rinnt is: Mtile b) irtarginal c) basal A racemos inflorescence with elongated axis, sessile/lowers and overlapping spathes is: spadix b) umbel
c) hypanthodium
Lecturer Botany MCQs Past Papers (1) The spores in bryophytic plant represent the first cell of the: (a) Gametophytic generation (b) Sporophytic generation (c) Asexual generation (d) All of these (e) None of these (2) Algal members of classes Euglenophyceae and chlorophyceae are similar in the: (a) Cell wall structure (b) Reserve food (c) Pigment composition (d) Structure of flagella (e) None of these (3) Crystocarp is a structure developed after fertilization in: (a) Blue green algae (b) Actinomycetes (c) Bryophetes (d) Red algae (e) None of these (4) Rice belongs to family: (a) Malvaceae (b) Fabiaceae (c) Solonaceae (d) Poaceae
(5) Gametophyte of fern is called: (a) Prothallus (b) Protocorm (c) Thallus (d) Gametangia (e) None of these
(6) The sieve elements are major component of: (a) Cambium (b) Apical meristem (c) Xylem (d) Phloem (e) None of these
(7) Which one of these is a parasite: (a) Sunflower (b) Begonia (c) Biden (d) Brasica (e) None of these
(8) Sporophytic generation is borne upon gametophyte and is dependent on it. This feature is present in:
(a) Cycas (b) Adiantam (c) Equisetum (d) All of these (e) None of these
(9) Double fertilization is a typical characteristic of: (a) Algae (b) Fungi (c) Bryophytes (d) Angiosperm (e) All of these
(10) Marchantia reproduces vegetatively by: (a) Apospory (b) Gemma Cup (c) Budding (d) All of these (e) None of these
(11) Plant cell wall is composed of: (a) Cellulose (b) Polypeptides (c) Phospholipids (d) Starch (e) None of these
(12) Stele in which primary vascular tissues are arranged in discrete strands around a pit is called: (a) Prostele (b) Radial stele (c) Centric stele (d) Eustele (e) None of these
(13) In which the following edible part is obtained from the Rhizome: (a) Potato (b) Ginger (c) Sugar beet (d) Onion (e) None of these
(14) Fertilization within an unopened flower is called: (a) Cleistogramy (b) Cleistocary (c) Isogamy (d) Oogamy (e) None of these
(15) Meiosis takes place during: (a) Gamete formation (b) Zygote formation (c) Cambium formation (d) All of these (e) None of these
(16) Edible fungus is: (a) Penicillium (b) Agaricus (c) Aspergillus (d) Phythium (e) None of these
(17) Speciation is: (a) Origin of species (b) Evolution of species (c) Identification of species (d) Preservation of species (e) None of these
(18) Collective name given to sporangia in fern is: (a) Sorus (b) Sporangium (c) Spathe (d) Sporangiophore (e) None of these
(19) Small, spherical protein bodies surrounded by starch deposits in chloroplasts of many algae are: (a) Lecoplasts (b) Ribosomes (c) Microsomes (d) Pyenidium (e) None of these
(20) Heterocysts are present in: (a) Volvox (b) Clostridium (c) Cycas (d) E-Coli (e) None of these
(21) Enzyme Fumarase convert fumaric acid into:
(a) Citric acid (b) Isocitric acid (c) lactic acid (d) Glutamic acid (e) None of these (22) Plants growing under saline conditions are: (a) Holophytes (b) Mesophytes (c) Hygrophytes (d) Halophytes (e) None of these
(23) The first product of CO2 fixation in C3 plants is: (a) Phosphoglyceric acid (b) Glycolic acid (c) Citric acid (d) Glutamic acid (e) None of these
(24) Mutations are most likely to be caused by: (a) 1AA (b) CO2 (c) Dextrose (d) Glycine (e) None of these
(25) Most of the water absorption in plants takes place through: (a) Root caps (b) Root hairs (c) Stomata (d) All of these (e) None of these
(26) Oxygen produced during photosynthesis comes from: (a) CO2 (b) Carboxylic acid (c) Glucose (d) Protein (e) None of these
(27) Chloroplasts in bundle sheath cells of C4 plants do not contain: (a) Grana (b) Stroma (c) Thylakoids (d) All of these (e) None of these
(28) A group of major biotic communities occupying a climatic region of earth is called: (a) Biome (b) Biosphere (c) Biotype (d) Phenotype (e) None of these
(29) In which group of plants stomata open during night: (a) C3 plants (b) C4 plants (c) Halophytes (d) CAM plants (e) None of these
(30) The occurrence of vegetation in layers is known as: (a) Scarification (b) Stratification (c) Physiognomy (d) Pattern (e) None of these
(31) A plasmid is a: (a) DNA (b) RAN (c) Protein (d) Microsome (e) None of these (32) The total Genetic material within a cell is: (a) Gene bank (b) Genetic load (c) Genome (d) Genetic Marker (e) None of these
(33) Ribsomal RNA helps in: (a) Replication (b) Transcription (c) Translation (d) Translocation (e) None of these
(34) Which one of the following ions plays most important role in stomatal movement? (a) K+ (b) Ca++ (c) CI—(d) Na+ (e) None of these (35) Dormancy in seeds may be due to: (a) Hard seed coat (b) Chemical Inhibitors (c) Immature embryo (d) All of these (e) None of these
(36) How many ATP molecules are produced when one hexose sugar molecule is converted into two molecules of pyruvic acid during glycolysis? (a) 15 (b) 26 (c) 28 (d)
36 (e) None of these
(40) Optimumphosphorusuptakebyrootstakesplaceat
(a) NeutralpH
(b) AcidicpH
(c) AlkalinepH
(d) AlIofthese
(e) Noneofthese
(41) TheGreenAlgaebelongsto:
(a) Cyanochloranta
(b) Chlorophycophyta
(c) Charophyta
(d) Cryptophycophyta
(e) Noneofthese
(42) IfthegametesandgametangiainFungiareofunequalsize,theyaretermedas:
(a) Heterothallic
(b) Homothallic
(c) lsogametes
(d) Anisogametes
(e) Noneofthese
(43) Chlorophyll'd'existsin:
(a) Pyrrophyta
(b) Phaeophyta
(c) Cryptophyta
(d) Rhodophyta
(e) Noneofthese

(44) WhichofthetypeofchlorophyllisrareinXanthophyceaeandhasbeendeterminedinonlytwoofitsgenera:
(a) chlorophyll'a'
(b) chlorophylI'e'
(c) chlorophyll'b'
(d) chlorophyll'd'
(e) Noneofthese
(45) TheAxonemeinanalgalfilamentiscomposedof fibrils:
(a)five
(b) seven
(c) eleven
(d) one
(e) Noneofthese
(46)Anantibioticcalled"Chlorellin"isderivedfrom:
(a) Chara
(b) Spirogyra
(c) Volvox
(d) Chlorella
(e) Noneofthese


(47) InPakistan,Volvoxisfoundabundantlyin waterpondsduringthemonthsof:
(a) MarchandApril
(b) MayandJune
(c) NovemberandDecember
(d) JanuaryandFebruary
(e) Noneofthese
(48) B
ecauseofextracting fromwateranddepositingitintheirwallsdifferentspeciesofCharaarereferredtoas"StoneWorts:
(a) Sodiumchloride
(b) Calciumcarbonate
(c) Potassiumsulphate
(d) Potassiumnitrate
(e) Noneofthese
(49) Pucciniagraminis causes 1nwheat:
(a) Yelloworstriperust
(b) Brown ororangeleafrust
(c) Blackorstemrust
(d) Loosegreensmut
(e) None ofthese



(49) Pucciniagraminiscauses inwheat:
(a) Yelloworstriperust
(b) Brownororangeleafrust
(c) Blackorstemrust
(d) Loosegreensmut
(e) Noneofthese
(50) ThezeroandonestagesofPucciniagraminisareproducedon:
(a) Triticumaestivum
(b) HordeumVulgare
(c) SorghumVulgare
(d) BarberisVulgaris
(e) Noneofthese