Botany CSS Paper I 2009

FEDERAL PUBLIC SERVICE COMMISSION
COMPETITIVE EXAMINATION FOR RECRUITMENT TO POSTS
IN BPS – 17 UNDER THE FEDERAL GOVERNMENT, 2009.

BOTANY, PAPER – I

TIME ALLOWED: (PART-I) 30 MINUTES, MAXIMUM MARKS: 20
(PART-II) 2 HOURS & 30 MINUTES MAXIMUM MARKS: 80

NOTE: (i) First attempt PART-I (MCQ) 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 (MCQ)
COMPULSORY

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

(i) The spores in bryophytes plant represent the first cell of the:
(a) Gametophytic generation (b) Sporophytic generation (c) Asexual generation (d) All of these (e) None of these

(ii) 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

(iii) Cystocarp is a structure developed after fertilization in:
(a) Blue green algae (b) Actinomycetes (c) Bryophytes (d) Red algae (e) None of these

(iv) Rice belongs to family:
(a) Malvaceae (b) Fabaceae (c) Solanaceae (d) Poaceae (e) None of these

(v) Gametophyte of fern is called:
(a) Prothallus (b) Protocorm (c) Thallus (d) Gametangia (e) None of these

(vi) The sieve elements are major component of:
(a) Cambium (b) Apical meristem (c) Xylem (d) Phloem (e) None of these

(vii) Which one of these is a parasite:
(a) Sunflower (b) Begonia (c) Biden (d) Brassica (e) None of these

(viii) 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

(ix) Double fertilization is a typical characteristic of:
(a) Algae (b) Fungi (c) Bryophytes (d) Angiosperm (e) All of these

(x) Marchantia reproduces vegetatively by:
(a) Apospory (b) Gemma Cup (c) Budding (d) All of these (e) None of these

(xi) Plant cell wall is composed of:
(a) Cellulose (b) Polypeptides (c) Phospholipids (d) Starch (e) None of these

(xii) 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

(xiii) In which the following edible part is obtained from the Rhizome:
(a) Potato (b) Ginger (c) Sugar beet (d) Onion (e) None of these

(xiv) Fertilization within an unopened flower is called:
(a) Cleistogamy (b) Cleistocary (c) Isogamy (d) Oogamy (e) None of these

(xv) Meiosis takes place during:
(a) Gamete formation (b) Zygote formation (c) Cambium formation (d) All of these (e) None of these

(xvi) Edible fungus is:
(a) Penicillium (b) Agaricus (c) Aspergillus (d) Pythium (e) None of these

(xvii) Speciation is:
(a) Origin of species (b) Evolution of species (c) Identification of species (d) Preservation of species (e) None of these

(xviii) Collective name given to sporangia in fern is:
(a) Sorus (b) Sporangium (c) Spathe (d) Sporangiophore (e) None of these

(xix) Small, spherical protein bodies surrounded by starch deposits in chloroplasts of many algae are:
(a) Leucoplasts (b) Ribosomes (c) Microsomes (d) Pyridium (e) None of these

(xx) Heterocysts are present in:
(a) Volvox (b) Clostridium (c) Cycas (d) E-Coli (e) None of these

PART – II

(i) PART-II is to be attempted on the 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. (a) Describe the life history of any multicellular green alga. (10)
(b) Write note on different parameters which are used in classification of algae. (10)

Q.3. (a) Describe the general characteristics and methods of reproduction in fungi. (10)
(b) Discuss five plant diseases of economic importance caused by fungi. (10)

Q.4. Explain in detail the evolution of gametophyte and sporophyte in bryophytes? (20)

Q.5. What is pollination and fertilization? Give an account of post fertilization events leading to the development of seeds in angiosperms. (20)

Q.6. What do you understand by secondary growth? Describe the process in detail in a typical Dicot. Stem. (20)

Q.7. Explain the different systems of classification in angiosperms. Also discuss the modern trends in plant taxonomy. (20)

Q.8. Enlist the salient features of gymnosperms. Also describe the features in which this group resembles and differs with pteridophytes: (20)