diversity in the living world - questions and answers
Qus 1. The taxonomic unit 'Phylum' in the classification of animals is equivalent to which hierarchial level in classfication of plants
a) Class
b) Order
c) Division
d) Family
C
Qus 2. Botanical gardens and zoological parks have
a) Collection of endemic living species only
b) Collection of exotic living species only
c) Collection of endemic and exotic living species
d) Collection of only local plants and animals
C
Qus 3. Taxonomic key is one of the taxonomic tools in the identification and classification of plants and animals. It is used in the preparation of
a) Monographs
b) Flora
c) Both a & b
d) None of these
C
Qus 4. All living organisms are linked to one
another because
a) They have common genetic material of
the same type
b) They share common genetic material
but to varying degrees
c) All have common cellular organization
d) All of above
B
Qus 5.Which of the following is a defining
characteristic of living organisms?
a) Growth
b) Ability to make sound
c) Reproduction
d) Response to external stimuli
d
Qus 6. All eukaryotic unicellular organisms belong to
a) monera
b) Protista
c) Fungi
d) Bacteria
B
Qus 7. The five kingdom classification was proposed by
a) RH. Whittaker
b) C.Linnaeus
c) A. Roxberg
d) Virchow
A
Qus 8. Organisms living in salty areas are called as
a) Methanogens
b) Halophiles
c) Heliophytes
d) Thermoacidophiles
B
Qus 9. Naked cytoplasm, multinucleated and saprophytic are the characteristics of
a) Monera
b) Protista
c) Fungi
d) Slime molds
d
Qus 10.An association between roots of higher plants and fungi is called
a) Lichen
b) Fern
c) Mycorrhiza
d) BGA
C
Qus 11. A plant shows sporophyte as a main generation. Its gametophyte shows rhizoids and is haploid. It needs water to complete its life cycle because the male gametes are motile. Identify the group to which it belongs to :-
a) Pteridophytes
b) Gymnosperms
c) Monocots
d) Bryophytes
A
Qus 12. A protonema is ?
a) A structure in pteridophytes formed before the thallus develops
b) A sporophytic free living structure
formed in pteridophytes
c) A creeping, green, filamentous and gametophytic structure produced in bryophytes.
d) A primitive structure formed after
fertilization in pteridophytes
C
Qus 13. In prokaryotes, chromatophores are -
a) Specialized granules responsiblefor colouration of cells
b) Structures responsible for organizingthe shape of the organism
c) Inclusion bodies lying free inside the cells for carrying out various metabolic activities
d) Internal membrane systems that may become extensive and complex in photosynthetic bacteria
d
Qus 14.As we go from species to kingdom in a taxonomic hierarchy, the number of common characteristics
a) Will decrease
b) Will increase
c) Remain same
d) May increase or decrease
A
Qus 15. The term 'systematics' refers to:
a) Identification and classification of plants and animals
b) Nomenclature and identification of plants and animals
c) Diversity of kinds of organisms and their relationship
d) Different kinds of organisms and their classification
C
Qus 16. Find the incorrect statement about fungi :-
a) They show a great diversity in morphology and habitats
b) Fungi are cosmopolitan and occur in air, water, soil and as parasites also
c) They prefer to grow in cold and dry places
d) With the exception of yeasts, fungi are
filamentous
C
Qus 17. With respect to fungal sexual cycle, what is the correct sequence ?
a) Karyogamy, plasmogamy & meiosis
b) Meiosis, plasmogamy & karyogamy
c) Plasmogamy, karyogamy & meiosis
d) Meiosis, karyogamy & plasmogamy
C
Qus 18. For Bryophytes, select the incorrects tatement in the followings:-
a) The plant body of liverworts is thalloid & erect.
b) Mosses have upright, slender axis bearing spirally arranged leaves.
c) Spores germinate to form gametophyte
d) The zygote produces a sporophyte
A
Qus 19.Which of the following is not a character related to Red Algae ?
a) Sexual reproduction is oogamous
b) They occur in both well lighted areas and great depths of oceans
c) The food stored in them is cyanophycean starch, very similar to amylopectin and glycogen
d) They reproduce asexually by non motile spores
C
Qus 20. Find the incorrect from the following:-
a) Sporophyte of moss is more elaboratet han that in liver worts
b) Gemmae are asexual buds formed in moss only,
c) Funaria, Polytrichum & Sphagnum are moss plants
d) After meiosis spores are produced within the capsule of bryophytes
B
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