Q. No.In which of the following patterns of viral replication, viruses enter a cell, replicate and then cause the cell to burst, releasing new viruses?
(1) Lytic
(2) Lysogenic
(3) Reprogenic
(4) Both (1) and (2)
Difficulty Level:
The role of contractile vacuole in protista is
(1) Osmoregulation
(2) Digestion
(3) Locomotion
(4) Reproduction
Difficulty Level:
1. The biological classification was attempted instinctively
a. to make scientific studies easy
b. to use organisms for our own use
c. to make better understanding of the research running in all over the world
d. to make connection between living and non-living
Difficulty Level:
The first attempt for Biological classification was because of the need to use organisms for our own use. Here which kind of uses are considered?
(1) Food and shelter
(2) Food and Hunting
(3) Food, shelter and clothing
(4) Except clothing all are correct
Difficulty Level:
First time the scientific basis for classification was attempted by -
(1) Theopharastus
(2) Aristotle
(3) Van Neil
(4) Darwin
Difficulty Level:
Which of the following statement is not incorrect with respect to biological classification attempted by Aristotle?
(1) Based on complex morphological characters
(2) Plants were classified into trees, shrubs and herbs
(3) Animals were classified on the basis of nutrition
(4) Phylogeny was also considered
Difficulty Level:
The presence of RBC to classify animals was used as a unique criterion by
(1) Aristotle
(2) Theopharastus
(3) Van Neil
(4) Huxley
Difficulty Level:
Which of the following statement is wrong with respect to two Kingdom classification?
(1) Developed at the time of Linnaeus
(2) Used till very recently
(3) Could distinguish between photosynthetic and non-photosynthetic
(4) Easy to do and easy to understand
Difficulty Level:
Which of the following was not the limitation of two Kingdom classification?
(1) Could not distinguish between eukaryotes and prokaryotes
(2) Couldn't distinguish between unicellular and multicellular
(3) Large number of organisms remained unclassified
(4) Very difficult to classify and understand
Difficulty Level:
Which of the following statement is not correct regarding biological classification?
(1) Gross morphology was not considered in two Kingdom classification
(2) Classification system has undergone many changes over the time
(3) Two Kingdoms are constant throughout just the concept of understanding them has been changed
(4) Nature of wall and method of reproduction was the two criteria which were also needed to consider after two kingdom classification.
Difficulty Level:
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