Biological Classification MCQ Question with Answer

Biological Classification MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 8
Lichens indicate SO2 pollution because they

show association between algae and fungi.
grow faster than others.
are sensitive to SO2.
flourish in SO2 rich environment.

Question No : 9
A virus can be considered a living organism because it

responds to touch stimulus
reproduces (inside the host)
can cause disease

Question No : 10
Bacteria lack alternation of generation because there is

neither syngamy nor reduction division.
no distinct chromosomes.
no conjugation.
no exchange of genetic material.

Question No : 11
Yeast is not included in protozoans but in fungi because

it has no chlorophyll.
some fungal hyphae grow in such a way that they give the appearance of pseudomycelium.
it has eukaryotic organization.
cell wall is made up of cellulose and reserve food material is starch.

Question No : 12
The given figure shows some labelled structure as A, B, C and D. In which structure the protein coat that encloses the nucleic acid is present? 

C sheath
D tail fibres

Question No : 13
The given figure shows the structure of filamentous blue green algae, Nostoc with a structure marked as X. Select the option which shows the correct identification of the X with its feature.

Spores - Reproduction
Heterocysts - Nitrogen fixation
Pellicle - Recycling of nutrition
Mucilaginous sheath - Photosynthesis

Question No : 14
The figure given below shows the structure of a bacteriophage. Identify its parts labelled as A, B, C and D. 

A - Tail fibres B - Head C - Sheath D - Collar
A - Sheath B - Collar C - Head D - Tail fibres
A - Head B - Sheath C - Collar D - Tail fibres
A - Collar B - Tail fibres C - Head D - Sheath