Biological Classification MCQs | Biological Classification Objective Type Questions with Answers

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Questions
1 In which plant ,gametophytic phase is main and sporophytic phase is subsidiary.
A Bryophytes
B pteridophytes
C gymnosperms
D angiosperms

Answer:Bryophytes
2 The first land plant on earth was…………..
A Bryophytes
B pteridophtes
C gymnosperms
D angiosperms

Answer: pteridophtes
3 The tallest living tree in the world is …………..
A Zamia sp.
B Eucalyptus sp.
C Wolffia sp.
D Sequoia sp.

Answer: Sequoia sp.
4 The smallest gymnosperm is ………
A Zamia sp.
B Eucalyptus sp.
C Wolffia sp.
D Sequoia sp.

Answer:Zamia sp.
5 Xerophytic characters are present in ……………………..
A Bryophytes
B pteridophytes
C gymnosperms
D angiosperms

Answer: gymnosperms
6 Some bacteria thrive in 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 Streptococcus

Answer:Archaebacteria
7 All the bacteria fix nitrogen except …
A Rhizobium
B E Coli
C Azotobacter
D Cyanobacteria

Answer: E Coli
8 The region where bacterial genome resides is termed as
A Nucleus
B Cytoplasma
C Nucleoid
D Ribosome free region

Answer:Nucleoid
9 Fungi which grow in dung are termed as
A Caprophilous
B Tericolous
C Sacxicolous
D Saxiphilous

Answer: Caprophilous
10 All fungi are
A Autotrophs
B Saprotrophs
C Heterotrophs
D Parasites

Answer: Saprotrophs
11 The bacteria were first observed in the year 1675 by
A Carolus Linnaeus
B Alexander Fleming
C Anton Von Leenuwenhock
D Robert Brown

Answer: Anton Von Leenuwenhock
12 Bacteria are classified on the basis of
A Method of reproduction
B Nucleus
C Cell wall
D pigments

Answer: Cell wall
13 Bacteria without flagella are known as
A Atrichous
B Peritrichous
C Lophotrichous
D Monotrichous

Answer: Atrichous
14 The cells of cyanobacteria and bacteria exhibit similarly in having
A Plastids
B Nuclei
C DNA
D Centrosome

Answer: DNA
15 Bacteria do not need sunlight to grow because
A They prepare their food without the help of light
B They do not like sunlight brightness
C Due to the absence of chlorophyll they are incapable of manufacture their own food
D They use other kinds of light for manufacturing their own food.

Answer: Due to the absence of chlorophyll they are incapable of manufacture their own food
16 Organism a regarded as “Joker’s in microbiological park”
A Bacteria
B Virus
C Mycoplasma
D Rickettsie

Answer:Mycoplasma
17 Who discovered conjugation in bacteria?
A Arber and Smith
B Lederberg and Tatum
C Jacob and Monad
D Zinder and Lederberg

Answer: Lederberg and Tatum
18 Bacteria used as biogas fermenters are
A Halophiles
B Methanogens
C Cyanobacteria
D Vibrio bacteria

Answer:Methanogens
19 The gram negative bacteria detect and respond to chemicals in their surroundings by
A Volutin granules
B Lipopolysaccharide
C muramic acid
D Porins

Answer: Porins
20 Which of the following is not present in Bacteria?
A RNA
B Cell wall
C Flagella
D Mitochondria

Answer: Mitochondria

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