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Biological Classification
1) Two kingdom classification was introduced by
A) Carolus Linnaeus
B) Theophratus
C) Benthamls
D) Hooker
Answer A) Carolus Linnaeus
Linnaeus classified organisms into two kingdom Plantae and Animalia
2) In Two Kingdom classification bacteria is placed along with _____
A) Protozoa
B) Fungi
C) Annelids
D) Mammals
Answer B) Fungi
In two kingdom classification bacteria,fungi,algae and higher plants were placed together.
3) In three domain system kindom monera is divided into two domains on the basis of
A) 28s rRNA
B) 23s rRNA
C) 16s rRNA
D) 5s rRNA
Answer C) 16s rRNA
In 3 domain system kingdom monera is divided into 2 domains (Archea and Bacteria) on the basis of sequence of 16s rRNA
4) Holozoic type of nutrition is seen in ___
A) Protista
B) Fungi
C) Plantae
D) Animalia
Answer D) Animalia
In Animalia the mode of nutrition is Heterotrophic (Holozoic or Saprophytic)
5) The nucleus of prokaryotes is known as
A) Genophore
B) Incipient nucleus
C) Nucleoid
D) All of these
Answer D) All of these
The nucleus of prokaryotes is known as incipient nucleus,genophore,nucleoid or fibrillar nucleus
6) _____ requires intensive laboratory and field studies
A) Identification
B) Classification
C) Characterisation
D) Nomenclature
Answer A) Identification
Identification is the most crucial step in taxonomy
7) Methonogens are used in the production of
A) Biogas
B) Oil
C) Scents
D) Plastic
Answer A) Biogas
Methonogens are present in the dung of ruminant animals which are used in the production of biogas
8) Bacteria reproduces mainly by
A) Budding
B) Spore formation
C) Fission
D) Conjugation
Answer C) Fission
Bacteria reproduces mainly by fission. umder unfavourable conditions they reproduce by forming spores
9) Aexual reproduction in Diatoms is by
A) Binary fission
B) Spore formation
C) Conjugation
D) None of these
Answer A) Binary fission
Diatoms,Dinoflagellates and Euglenoids reproduce asexually by binary fission
10) Soap box shaped cell wall is seen in
A) Chrysophytes
B) Euglenoids
C) Slime moulds
D) Prtozoans
Answer A) Chrysophytes
In diatoms cell wall forms two thin overlapping shells which fit together as a soap box
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