Thursday, December 26, 2013

Botany MCQs Past Papers

(1) Pappus found in compositae is the modification of:
(a) Calyx
(b) Bract
(c) Corolla
(d) Stamen
(e) None of these

(2) In Malvaceae androecium is characteristically:
(a) Monadelphous
(c) Diadelphous
(d) Tetradynamous
(e) None of these

(3) The first phylogenetic system of plant classification was proposed by:
(a) Engler
(b) Prantl
(c) Wettstien
(d) Eichler
(e) None of these

(4) The androcium in Compositae is:
(a) Epitetalous and manodelphous
(b) Polyandrous and manodelphous
(c) Polyandrous and syngenesious
(d) Epitetalous and syngenesious
(e) None of these

(5) The fruit of mango is:
(a) Berry
(b) Drupe
(c) Pome
(d) Nut
(e) None of these

(6) Fungal spores produced asexually at tip or side of hyphae are called:
(a) Sporangiophore
(b) Anthrospores
(c) Conidia
(d) Spores
(e) None of these

(7) Damping off disease is caused by:
(a) Aspergillus
(b) Ustilago
(c) Pythium
(d) Puccinia
(e) None of these

(8) Obliquely placed ovary is present in the family:
(a) Rutaceae
(b) Solanaceae
(c) Malvaceae
(d) Labiatae
(e) None of these

(9) Gynobasic style arises from the base of ovary. This is characteristics of the family:
(a) Labiatae
(b) Solanaceae
(c) Compositae
(d) Malvaceae
(e) None of these

(10) Columella is present in sporangium of:
(a) Spirogyra
(b) Yeast
(c) Ulothrix
(d) Rhizopus

(11) Which of the following diseases is cause by fungus?
(a) Cholera
(b) Rust of wheat
(c) T.B
(d) Tetanus

(12) Target board effect is caused by:
(a) Alternaria
(b) Colletotrichum
(c) Pyricularia
(d) Helminthosporium

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

(14) Clamp connections are very common in:
(a) Ascomycetes
(b) Basidiomycetes
(c) Phycomycetes
(d) None of these

(15) Penicillin was extracted by:
(a) Flemming
(b) Huxley
(c) Lamarck
(d) Brown

(16) Bacteria belong to:
(a) Schizomycetes
(b) Actinomycetes
(c) Epigynous
(d) None of these

(17) Mushroom is a:
(a) Parasite
(b) Saprophyte
(c) Photosynthetic
(d) None of these

(18) The sieve elements are the major components of:
(a) Xylem
(b) Phloem
(c) Cambuim
(d) None of these

(19) The gametes taking part in sexual reproduction of rhizopus are:
(a) Uninucleate
(b) Binucleate
(c) Multinucleate
(d) DIkaryotic
(e) None of these

(20) Blue green algae is a common name of:
(a) Xanthophyceate
(b) Chlorophyceae
(c) Cyanophycemae
(d) Charophyceae
(e) None of these


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