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Old Tuesday, December 27, 2011
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Default Botany Paper 2011

FEDERAL PUBLIC SERVICE COMMISSION

COMPETITIVE EXAMINATION FOR
RECRUITMENT TO POSTS IN BS-17
UNDER THE FEDERAL GOVERNMENT, 2011

BOTANY, PAPER-I

NOTE: (i) First attempt PART-I (MCQs) on separate Answer Sheet which shall be taken back after 30 minutes.
(ii) Overwriting/cutting of the options/answers will not be given credit.

(PART-I MCQs) (COMPULSORY)

Q.1. Select the best option/answer and fill in the appropriate box on the Answer Sheet. (1 x 20=20)

(i) Tiny plants with silicon cells are:
(a) Diatoms
(b) Zooplanktons
(c) Fungi
(d) None of these

(ii) Withania somnifera belongs to the family:
(a) Solanaceae
(b) Brassicaceae
(c) Poaceae
(d) None of these

(iii) The 1st root of the seed plant develops from the radical is called:
(a) Tap root
(b) Aerial root
(c) Adventitious root
(d) None of these

(iv) Mycorrhiza is the symbiotic association between:
(a) Algae and Fungi
(b) Angiosperms and Fungi
(c) Lichens and Fungi
(d) None of these

(v) New Ulva plant after undergoing meiosis produces _____ Zoospores:
(a) Monoflagellated
(b) Biflagellated
(c) 4-flagellated
(d) None of these

(vi) Alternation of generation in Moss is:
(a) Isomorphic
(b) Heteromorphic
(c) Absent
(d) None of these

(vii) Most primitive family is:
(a) Magnoliaceae
(b) Poaceae
(c) Malvaceae
(d) None of these

(viii) Laminaria is the example of:
(a) Red Algae
(b) Brown Algae
(c) Green Algae
(d) None of these

(ix) The chief component of the cell wall of fungi is the:
(a) Pectin
(b) Chitin
(c) Lignin
(d) None of these

(x) Formation of fruit without fertilization:
(a) Apomixis
(b) Polyembryony
(c) Parthenocarpy
(d) None of these

(xi) National flower of Pakistan is:
(a) Jasminum
(b) Cestrum nocturnum
(c) Pisum sativum
(d) None of these

(xii) Zygomycetes have their common name as:
(a) Imperfect Fungi
(b) Conjugating Fungi
(c) Sac Fungi
(d) None of these

(xiii) Filaments of Algae are composed either of distinct cells:
(a) Gametocytes
(b) Coenocytes
(c) Heterocysts
(d) None of these

(xiv) The bryophytes are also called:
(a) Sporogonium
(b) Amphibians
(c) Arthrophytes
(d) None of these

(xv) The first plant which developed true leaves and roots are:
(a) Pteropsids
(b) Lycopsids
(c) Psilopsids
(d) None of these

(xvi) An ovule is:
(a) Fertilized seed
(b) Integumented Indehiscent megasporangium
(c) Dehiscent megasporangium
(d) None of these

(xvii) An angiosperms the female gametophyters contain:
(a) 1 – several cells
(b) 7 cells only
(c) 3 cells
(d) None of these

(xviii) Sporophyte of Bryophytes is also called as:
(a) Sporangium
(b) Sporogonium
(c) Prothallus
(d) None of these

(xix) One of the examples of crustose lichen is:
(a) Basidia
(b) Dermatrocarpus
(c) All of these
(d) None of these

(xx) The scientific name of Bringal is:
(a) Solanum tuberosum
(b) Solanum melongena
(c) Nicotiana tabaccum
(d) None of these

PART-II

NOTE: (i) PART-II is to be attempted on separate Answer Book.
(ii) Attempt ONLY FOUR questions from PART-II. All questions carry EQUAL marks.
(iii) Extra attempt of any question or any part of the attempted question will not be considered.

Q.2. Briefly describe the life cycle of Bryophytes. (20)

Q.3. Write detailed notes on the different stages of mitosis. Draw diagrams. (20)

Q.4. Write down the salient features of family Rosaceae and its economic importance. (20)

Q.5. Give detailed note on the life cycle of Angiosperm up to the development of seed. (20)

Q.6. Define tissue. What are meristematic tissues and also classify them on different basis? (20)

Q.7. What are lichens? How lichens are beneficial for the universe? (20)

Q.8. Write the characteristic features of Gymnosperms. How they differ from Angiosperms and Pteridophytes. (20)
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  #2  
Old Tuesday, December 27, 2011
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Default

FEDERAL PUBLIC SERVICE COMMISSION

COMPETITIVE EXAMINATION FOR
RECRUITMENT TO POSTS IN BS-17
UNDER THE FEDERAL GOVERNMENT, 2011

BOTANY, PAPER-II

NOTE: (i) First attempt PART-I (MCQs) on separate Answer Sheet which shall be taken back after 30 minutes.
(ii) Overwriting/cutting of the options/answers will not be given credit.

(PART-I MCQs) (COMPULSORY)

Q.1. Select the best option/answer and fill in the appropriate box on the Answer Sheet. (1 x 20=20)

(i) Reduction takes place in ------ stage of meiosis.
(a) Metaphase I
(b) Anaphase I
(c) Telophase I
(d) None of these

(ii) Group of young cells which are capable of active cell division is called:
(a) Meristem
(b) Parenchyma
(c) Periderm
(d) None of these

(iii) Genetic basis of ABO blood group system was explained by;
(a) Landsteiner
(b) Levine
(c) Bernstein
(d) None of these

(iv) Allele for whiteness in Drosophila is:
(a) Recessive
(b) Dominant
(c) Codominant
(d) None of these

(v) Major unit of Ecology is:
(a) Ecosystem
(b) Biosphere
(c) Community
(d) None of these

(vi) Primary succession that starts on dry soil/rock is called:
(a) Derosere
(b) Xerosere
(c) Lithosere
(d) None of these

(vii) The way Glucose is metabolized/oxidized depends on the availability of:
(a) CO2
(b) O2
(c) Energy
(d) None of these

(viii) The absorbing peak of Chlorophyll is:
(a) 680
(b) 670
(c) All of these
(d) None of these

(ix) Light can work in photosynthesis only when it is:
(a) Absorbed
(b) Transmitted
(c) Reflected
(d) None of these

(x) Cellular respiration consists of:
(a) Glycosis
(b) Krebís cycle and respiratory chain
(c) All of these
(d) None of these

(xi) The chemical wastes from Industry are called as:
(a) Effluents
(b) Garbage
(c) Sewage
(d) None of these

(xii) All chromosomes other than sex chromosomes are called as:
(a) Autosomes
(b) Dictyosomes
(c) Autophagosomes
(d) None of these

(xiii) Actual place/location where organism lives is called as:
(a) Habitat
(b) Domain
(c) Niche
(d) None of these

(xiv) In roots and stems having secondary growth, the epidermis is replaced by a protective layer called:
(a) Phellogen
(b) Periderm
(c) Cuticle
(d) None of these

(xv) The stomata with 2 large and one small subsidiary cells surrounding stoma is called as:
(a) Diacytic
(b) Anisocytic
(c) Cyclocytic
(d) None of these

(xvi) Vacuoles are filled with watery fluid called as:
(a) Cell sap
(b) Enzymes
(c) Plastids
(d) None of these

(xvii) The chromosomes arrange themselves on the equator of spindle fibres during:
(a) Metaphase
(b) Anaphase
(c) Telophase
(d) None of these

(xviii) The event that gives rise to the heritable alteration in the genotype is termed as:
(a) Translocation
(b) Abnormality
(c) Mutation
(d) None of these

(xix) The sequence of genes along the DNA strand is called as:
(a) Genetic code
(b) Chromosomal aberration
(c) DNA sequence
(d) None of these

(xx) Chemicals used to destroy animal pests are:
(a) Herbicides
(b) Pesticides
(c) Insecticides
(d) None of these

PART-II

NOTE: (i) PART-II is to be attempted on separate Answer Book.
(ii) Attempt ONLY FOUR questions from PART-II. All questions carry EQUAL marks.
(iii) Extra attempt of any question or any part of the attempted question will not be considered.

Q.2. What is dormancy? Enlist different methods to break dormancy? (20)

Q.3. Write down short notes on: (7+7+6=20)
(a) Food chain
(b) Vernalization
(c) Adaptive mutations

Q.4. Give the Biosynthesis and mode of action of Abscissic acid. (20)

Q.5. Define linkage. Explain the phenomenon of coupling and repulsion with reference to linkage. Give example. (20)

Q.6. What do you mean by evolution? How would you explain Lamarkism? (20)

Q.7. Define Mitosis and enlist its different stages? (20)

Q.8. Write short notes on ANY TWO of the following: (10+10)
(a) What is water logging? Give its causes and reclamation?
(b) What is transpiration and also give its various types.
(c) Elaborate the mechanism of stomatal movement?
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