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1 - The word Archaeobacteria (a division of bacteria) derived from Greek means
Ancient bacteria
2 - Who coined the term Animalcules for microorganisms like Bacteria and protozoa?
Leeuwenhoek
3 - Who discovered the bacteria causing tuberculosis and also developed various techniques of media preparation and maintenance of pure culture?
Robert Koch
4 - Which of the following structure is not present in all the bacteria?
Capsule
5 - In bacterial categories the bacteria smaller in number are
Ancient bacteria
6 - Germ theory of disease has ______ postulates
4
7 - Some bacteria ranging occasionally a size of 500 ?m in length are
Spirochetes
8 - Coccobacillus has a shape similar to
Egg
9 - The first bacterium isolated was
Bacillus
10 - Which of the following bacteria are thick rigid and spiral?
Spirillum
11 - A group of 8 cocci is called
Sarcina
12 - Which of the following has a chain arrangement?
Both A and B
13 - Which of the following bacteria do not have flagella commonly?
Cocci
14 - Flagella originate from
Basal body
15 - A bacterium with tuft of flagella at both poles is called
Amphitrichous
16 - Which of the following structure primarily helps in attachment of bacteria on various surfaces?
Pili
17 - Which of the following structure provides greater pathogenicity to the bacteria?
Slime
18 - Cell wall is absent in
Mycoplasma
19 - Cell wass of Archaeobacteria does not contain
Peptidoglycan
20 - Gram positive bacteria appear
Purple
21 - Extremely long molecule of DNA that is tightly folded to fit inside the cell component is called
Chromatin body
22 - Which of the following contains genes for drug and disease resistance in bacteria?
Plasmid
23 - The common waste material in bacteria is
Lactic acid
24 - Example of bacteria requiring low concentration of oxygen is
Campylobactor
25 - Purple non-sulphur bacteria is an example of
Photosynthetic bacteria
26 - Those bacteria which are fully dependent upon their host for nutrition are called
Parasitic bacteria
27 - Nitrifying bacteria are the examples of
Chemosynthetic bacteria
28 - E. coli and example of
Facultative bacteria
29 - Spirochete is an example of
Anaerobic bacteria
30 - Sex pili is formed in which of the following processes:
Conjugation
31 - Rapid growth at exponential ration occurs in which phase of bacterial growth:
Log phase
32 - Chemical substances used on living tissues that inhibit the growth of micro organism are called
Antiseptics
33 - Who developed the vaccine against anthrax?
Louis Pasteur
34 - Cyanobacteria have _____ cell wall
Gram - ve.
35 - Which of the following help cyanobacteria to locomote?
Gas vesicles
36 - Cyanobacteria reproduce by:
Binary fission
37 - Approximately _____ species of bacteria are known to cause diseases in humans.
200
38 - Who first separated bacteria from other protists as a group?
Herbert Copeland
39 - Which of the protozoa has a striking resemblance to collar cells in sponges?
Choanflagellates
40 - Radiolarians belong to which of the following protozoal group?
Actinopods
41 - Which of the following statement about eiliates in incorrect?
Diploid nucleus being smaller is responsible for cells metabolism and growth while polyploidy nucleus functions in sexual process.
42 - Lime stone deposits are formed from
Foraminferans
43 - Plasmodium belongs to
Apicomplexans
44 - Kingdom protista includes ______ phyla
27
45 - Stentor is a/an
Ciliate
46 - Complex specialized flagellates living symbiotically in the gut of termites are
Trichonymphas
47 - The drfinite shape to ciliates is given by
Pellicle
48 - Chalk is gradually formed of dead
Foraminiferans
49 - Of the following which one has glassy shells?
Radiolarians
50 - Which of the following statement is incorrect about algae?
Their zygote unlike plants is protected by parental tissue.
51 - In which of the following pigments major energy reserves and cell wall are like plants?
Chlorophyta
52 - Most of the photosynthesis on earth is carried by
Algae
53 - The only group of algae having no flagellated motile cells at any stage is :
Rhodophyta
54 - Brown algae are also known as
Phaeophyta
55 - Golden algae are also known as
Chrysophyta
56 - Based on molecular data euglenoids are thought to be closely related to
Zooflagellates
57 - All phostosynthetic euglenoids lose their chlorophyll when grown in dark and obtain their nutrients heterotrophically this statement is
FALSE
58 - Most dinoflagellates are
Unicellular
59 - The most important group of producers in marine ecosystem is of
Diatoms
60 - Of the following which one is not the characteristic of dinoflagellates
Their cells are often covered with shells of interlocking cellulose plates impregnated with calcium
61 - Examples of Rhodophytes are
Both of these
62 - In chlorophytes the main energy stores are
Starch
63 - Of the following which one is not the characteristic of green algae?
Some green algae possess cell wall with cellulose
64 - In slime molds spores develop into
All of these
65 - Spores produced by slime molds are
Haploid
66 - Which of the following is responsible for Irish potato famine?
Phytophthora infestans
67 - How many species of fungi are known till now
100000
68 - Which of the following group represent pathological fungi?
Rusts smuts and molds
69 - Which one of the following is different from all the rest regarding the number of cells inits body?
Yeasts
70 - Fungi which get their food directly from dead organic matter are called?
Decomposers
71 - Root like structure in saprotrophic fungi are called
Rhizodis
72 - Those fungi which can grow only on their living host and cannot be grown on available defined growth culture medium e.g. various mildews and most rust species are called
Obligate parasitic fungi
73 - Oyster mushroom is an example of predator fungi which attack on
Round worms
74 - Lichen is a symbiotic mutualistic association of fungi with
Green algae and cyanobacterium
75 - Foliose lichen are
Leaf like
76 - An association in which fungal hyphae penetrate the outer cells of the plant root forming coils swellings and minute branches and also extend out into surrounding soil is called:
Ectomycorrhizae
77 - The Kingdom of recyclers is known as kingdom
Fungi
78 - According to two kingdom classification fungi were placed in kingdom
Plantae
79 - Ecological role of fungi as decomposers is only paralleled by
Bacteria
80 - Coenocytic hyphae are also known as
Aseptate
81 - Unicellular fungi which is non-hyphal is
Yeast
82 - Parasitic fungi absorb nutrients directly from the living host cytoplasm with the help of special hyphal tips called
Haustoria
83 - Constricting ring around nematode is formed by
Arthrobotrys
84 - Type of lichen which tightly attaches to rocks is
Crustose
85 - Mycorrhizae are found in about ______ vascular plants
0.95
86 - Fungi can tolerate pH from
2?9
87 - Spores in sporangia are produced by process.
Asexual
88 - Which of the following statement is incorrect about asexual reproduction by spores in fungi?
These are produced through fruiting bodies like ascocarps and basidiocarps.
89 - Simple breaking of mycelium resulting in formation of a new mycelium from each broken segments is called
Fragmentation
90 - By which of the following mechanism unicellular yeast reproduce?
Budding
91 - In which of the following example of fungi dikaryotic hyphae exist for long period?
Basidiomycota
92 - Which of the following is called black bread mold?
Rhizopus
93 - At which stage in the life cycle of Rhizopus meiosis takes place?
Formation of sporangiophore via germination of zygospore.
94 - Which one of the following is the largest group of fungi?
Ascomycota
95 - How many species of ascomycota occur in lichen symbiotic association?
0.5
96 - All such fungi in which sexual phase has not been observed are present in
Deuteromycota
97 - Mode of nutrition in penecillium is
Saprotrophs
98 - Penicillium reproduce via
Conidia
99 - How many species of mushrooms are edible?
200
100 - Death cap/death angel (Amanita) and Jack O Latern mushroom are examples of
Poisonous mushrooms
101 - Which of the following statement about plants is incorrect?
Are heterotrophes
102 - Bryophtes are called amphiabians of plant world because
Bryophytes like amphibian live in damp shady places and close to water body.
103 - Hornwarts are included in sub-class
Anthoceropsida
104 - Horsetails are included in class
Sphenopeida
105 - Antheridia and archegonia are born on _____ in bryophytes
Gametophyte
106 - In bryophytes fertilization takes place in
Archegonia
107 - Antherozoids the male gamete in bryophytes are attracted towards Archegonium i.e. female sex organ by
Chemotactic phenomenon
108 - Which of the following of bryophytes are the simplest one?
Porella
109 - The zygote formed in liverworts is
Unicellular
110 - Sporophyte is
Diploid
111 - Mosses are included in sub-division
Bryopsida
112 - Ferns are included in
Pteropsida
113 - The simplest of all bryophytes are
Liverworts
114 - Antheridiophore and archegoniophore are found in
Both of these
115 - Protonema is
Algae like
116 - Of the following which one is most advanced ?
Anthoceropsida
117 - In Hornworts the band of meristematic tissue is found near
At junction of a & b
118 - The part of sporophyte which is called sporangium is
Capsule
119 - The first cell of the sporophyte generation is
Oospore
120 - Stem of Psilophyton an example of psilogsida is differentiated into an underground rhizome and an aerial part both of which are _____ branched
Dichotomously
121 - Which of the following group of tracheophyta has expanded or scale like leaves which are alwaysed arranges in whorls?
Sphenopsida
122 - Which of the following tracheophytes are leafless?
Psilopsida
123 - Sporangia of which of the following tracheopytes develop singly on the upper side of sporophylls which may or may not be arranged to form strobili.
Lycopsida
124 - Gametophyte of Psilopsida develops a symbiotic association with which of the following?
Fungus
125 - Which of the following is an example of the living member of Psilopsida?
Psilotum
126 - In term of spore production Selaginella is characterized by
Hetrosporous
127 - Which of the following tracheophytes are also called arthrophytes?
Sphenopsids
128 - Equistem is an example of
Sphenopsida
129 - Today the land habitat is dominated by
Tracheophytes
130 - Of the following which one is not the characteristic of the plants included in psilopsida?
Rhizoids bear Rhizome
131 - Megaphylls are characteristic for
Both of these
132 - The dichotomously branching system has shape similar to
Y
133 - The space between the overtopped dichotomous branches was occupies by a sheet of _____ cells during evolution of megaphyllas.
Chlorenchyma
134 - Production of two types of spores is known as
Heterospory
135 - Ground pries are also known as
Both of these
136 - Which of the following plant group first formed true leaves?
Lycopsida
137 - Megaphylls i.e. leaves with divided veins with an expanded lamina is a dharacteristic of :
Both b and c
138 - The arrangement of unequal dichotomous branches in one plane during evolution of leaves is called
Planation
139 - Which of the following statement about filicinae a group of tracheophytes is incorrect:
They belong to sphenopsida
140 - Due to which property of Adiantum and example of Filicinae is called Maidenhairfern?
Stipe (stalk) and rachis of leaf have black smooth and shiny hair like structures
141 - Specialized protective coverings around megasporangium which vary in number are called:
Integuments
142 - In which group of tracheophytes ovules are born on the exposed surface of megasporophylls?
Gymnosperms
143 - Pinus Taxus and Picea belong to
Gymnosperms
144 - In life cycle of Pinus megaspores produced by megasporangium divide into 4 megaspores by
Meiosis
145 - Microspore of a seed plant that contain male gametophyte including the gamete is called
Pollen grain
146 - Monocots are characterized by
Number of sepals and petals are 3 or multiple of 3
147 - Which of the following statement about dicots is incorrect ?
They have parallel vein pattern on their leaves
148 - Maize is an example of
Monocot
149 - Aschelminthes is also known as
Nematodes
150 - Of the following which one is not included in Proterostomes?
Hemichordates
151 - All of the following are coelomates except
Aschelminthes
152 - The name animal is derived from the word.
Anima
153 - Of the following which one is not the characteristic of Kingdom Animalia.
All animals develop from the dissimilar gametes i.e. large sperm and small egg.
154 - The radial symmetry is found in the animals of
Cnidaria
155 - All the animals of the grade radiata are
Diploblastic
156 - Both radial and bilateral symmetry is found in the phylum
Echinodermata
157 - Coelom that develops from the archenteron as outpouching is
Enterocoelom
158 - The animals in which coelom is formed due to splitting of mesocerm are known as
Schizocoelous
159 - Of the following which one is not found in series proterostomia.
Echinodermata
160 - In some cases the blastomere can produce complete embryo the cleavage will be
Radial and indeterminate
161 - The fate of each blastomere is foretold. The cleavage will be as
Spiral and determinate
162 - Of the following which one is non-cellular in most cases in animals?
Mesenchyme
163 - In most triploblasts after embryonic development the three layers are represented as
Structures formed from them
164 - Of the following which one is not the characteristic of triploblasts.
All of them have blood vascular system
165 - The system well - developed in the acoelomate is
Both of these
166 - Pseudocoelem develops from
Blastocoel
167 - The function of coelom is
To provide space for the development of organs and systems
168 - Coelom is lined by
Both A & B
169 - In acoelomates gut is _____ in origin.
Endodermal
170 - Sperms are _____ in origin.
Mesodermal
171 - A sponge of Antarctica which is more than a meter tall is
Scolymastra joubini
172 - Venus flower basket is also known as
Euplectella
173 - Inner layers of the sponges are made up of
Choanoytes
174 - Porifera range in size from
Few millimeter wide to more than one meter tall
175 - The internal buds are known as
Gemmules
176 - The sponges in which sperms develop first are included in the category of
Protandrous
177 - 80% of the food of sponges consists of
Detrital organic particles
178 - The skeleton of the sponges is in the form of variously shaped needle like structures called
Spicules
179 - The skeleton of sponges is made up of
Both of these
180 - Sperms released in water are carried to the mesenchyme in sponges by
Amoeboid cell
181 - Gut in pseudocoelomates is made from
Endoderm
182 - In sponges fertilization takes place in
Mesenchyme
183 - The single main opening of the sponge cavity is
Osculum
184 - Enteron in coelenterates acts as
all of these
185 - Which of the following are motile zooids in cnidarians?
Medusae
186 - Exoskeoeton of coelenterates terates is made up to
Calcium
187 - All of the following coelenterates show alternation of generation except
Hydra
188 - All of the following are tue for platyhelminthes except
Coelomate
189 - Excretory system of platyhlminthes consists of
Flame cells
190 - Free living example of platyhelminthes is
Dugesia
191 - Psedudocoelom is character of
Aschelminthes
192 - Nervous system of nematods consists of
All of these
193 - Which system is present in nematods?
Tube - like digestive system
194 - Pin warm is common name used for
Enterobius vermicularis
195 - Which of following system is segmentally arranged in annelids?
Criculatory system
196 - Marine example of annelid is
Neries
197 - _______ are the first group of invertebrates which have developed a closed circulatory system.
Annelids
198 - The organs of locomotion in annelids are
Setae
199 - Polychaeta have
All of these
200 - _______ are believed to have common origin with annelids.
Arthropods
201 - Aquatic arthropods respire through
Both b and c
202 - Main blood vessel of arthropods usually
Lies on dorsal side
203 - True metamorphosis is not present in
Arachnida
204 - Second largest phylum of invertebrates is
Mollusca
205 - Mantle in molluscs is present over
Dorsal visceral region
206 - Circulatory system is open type in all of the following except
Cephalopoda
207 - Body is globular in
Sea Urchin
208 - Prechordates is another name used for
Hemichordates
209 - Notochord is present throughout life in
Cephalochordates
210 - Body is eel like in
Cyclostomata
211 - Which of the following fishes contained lungs?
Dipnoi
212 - Shell of egg is leathery in appearance in
Reptiles
213 - Mammals became dominant in
Cenozoic era
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