Biological Classification MCQs | Biological Classification Short Questions and Answers

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Questions
1 Some hyperthermophilic organisms that grow in highly acidic (pH 2) habitats belong to two groups
A liverworts and yeasts
B eubacteria and archaea
C protists and mosses
D cyanobacteria and diatoms

Answer:eubacteria and archaea
2 Pick the correct combination of statements (i-iv) regarding characteristics of some entities
i. Methanogens are archaebacteria that produce methane in marshy areas
ii. Nostoc is a filamentous blue green alga which fixes atmospheric nitrogen
iii. Chemosynthetic autotrophic bacteria synthesize cellulose from glucose
iv. Mycoplasma lack a cell wall and can survive without oxygen
A (ii) and (iii)
B (i), (ii) and (iii)
C (ii), (iii) and (iv)
D (i), (ii) and (iv)

Answer: (i), (ii) and (iv)
3 Bacterial leaf blight of rice is caused by a species
A Pseudomonas
B Xanthomonas
C Erwinia
D None of these

Answer: Erwinia
4 Fungi can be stained by
A Saffranine
B Cotton blue
C Glycerine
D Lactophenol

Answer:Cotton blue
5 Fungi usually store the reserve food material in the form of
A Starch
B Lipid
C Glycogen
D protein

Answer: Glycogen
6 Fungi can be distinguished from algae in fact that
A Cell wall is cellulosoic cell wall and chlorophyll is absent
B Nucleus is present
C Mitochondria are absent
D Cell wall is chitinous and chlorophyll is absent

Answer: Cell wall is chitinous and chlorophyll is absent
7 Ergot is obtained from
A Rhizopus
B Claviceps
C Albugo
D Phytomonas

Answer: Claviceps
8 One of the following is a predatory fungus
A Arthrobotrys
B Puccinia
C Fusarium
D Alternaria

Answer:Arthrobotrys
9 Fungi producing usually eight spores in a sac like structure belong to
A Phycomycetes
B Ascomycetes
C Basidiomycetes
D Deuteromycetes

Answer: Ascomycetes
10 One of the following is a heteroceous fungus?
A Albugo
B Phytophora
C Puccinia
D Ustilago

Answer: Puccinia
11 In some parasitic fungi a globular or hook like structure is formed at the point of contact with the host. This is known as
A Haustoria
B Appresorium
C Hold fast
D Hook

Answer: Appresorium
12 Fungi which grow on dung are termed as
A Coprophilous
B Terricolous
C Sacxicolous
D Saxiphilous

Answer: Coprophilous
13 The fruiting body of Aspergillus is called
A Apothecium
B Perithecium
C Cleistothecium
D Hypanthodium

Answer: Cleistothecium
14 All fungi are
A autrophs
B Saprophytes
C Parasites
D Heterotrophs

Answer: Heterotrophs
15 One of the common fungal diseases of man is
A Cholera
B Plague
C Ringworm
D Typhoid

Answer: Ringworm
16 Aflatoxin is produced by
A Nematode
B Fungi
C Virus
D Bacteria

Answer:Fungi
17 Yeast is unlike bacteria in being
A Unicellular
B Multicellular
C Prokaryotic
D Eukaryotic

Answer: Eukaryotic
18 “Perfect stage” of a fungus means
A When the fungus is perfectly healthy
B When it reproduces asexually
C When it forms perfect sexual spores
D None of these

Answer:When it forms perfect sexual spores
19 Kingdom Monera consist of
A Prokaryotes
B Eukaryotes
C Archaebacteria
D All of the above

Answer: Prokaryotes
20 Some bacteria thrive extreme environment conditions such as absence of oxygen, high salt concentration, high temperature and acidic pH. Name them
A Cyanobacteria
B Eubacteria
C Archaebacteria
D All of the above

Answer: Archaebacteria

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