EASY
11th CBSE
IMPORTANT
Earn 100
Viruses are non-cellular organisms but replicate themselves once they infect the host cell. To which of the following kingdom do viruses belong to?
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Important Questions on Biological Classification
MEDIUM
11th CBSE
IMPORTANT
Members of Phycomycetes are found in
i. Aquatic habitats
ii. On decaying wood
iii. Moist and damp places
iv. As obligate parasites on plants
Choose from the following options
MEDIUM
11th CBSE
IMPORTANT
What is the principle underlying the use of cyanobacteria in agricultural fields for crop improvement?
HARD
11th CBSE
IMPORTANT
Suppose you accidentally find an old preserved permanent slide without a label. In your effort to identify it, you place the slide under microscope and observe the following features:
(a) Unicellular
(b) Well defined nucleus
(c) Biflagellate-one flagellum lying longitudinally and the other transversely.
What would you identify it as? Can you name the kingdom it belongs to?
MEDIUM
11th CBSE
IMPORTANT
How is the five-kingdom classification advantageous over the two-kingdom classification?
MEDIUM
11th CBSE
IMPORTANT
Polluted water bodies have usually very high abundance of plants like Nostoc and Oscillatoria. Give reasons.
MEDIUM
11th CBSE
IMPORTANT
Are chemosynthetic bacteria autotrophic or heterotrophic?
MEDIUM
11th CBSE
IMPORTANT
The common name of pea is simpler than its botanical (scientific) name Pisum sativum. Why then is the simpler common name not used instead of the complex scientific/ botanical name in biology?
MEDIUM
11th CBSE
IMPORTANT
A virus is considered as a living organism and an obligate parasite when inside a host cell. But virus is not classified along with bacteria or fungi. What are the characters of virus that are similar to non-living objects?
