Biological Classification Class 11 NEET MCQs | Class 11 Biology MCQ Chapter 2 – Solve Chapter wise NEET Biology Questions and get your instant score
Biological Classification Class 11 NEET Questions - Test 05
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Question 1 |
Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen? [NEET 2017]
Pseudomonas | |
Mycoplasma | |
Nostoc | |
Bacillus |
Question 2 |
Which of the following are found in extreme saline conditions? [NEET 2017]
Eubacteria | |
Cyanobacteria | |
Mycobacteria | |
Archaebacteria |
Question 3 |
Which of the following are likely to be present in deep sea water? [NEET 2013]
Archaebacteria | |
Eubacteria | |
Blue-green algae | |
Saprophytic fungi |
Question 3 Explanation:
Archaebacteria (oldest living organisms on earth) flourish in hot springs and deep sea hydrothermal vents.
Question 4 |
Which of the following components provides sticky character to the bacterial cell? [NEET 2017]
Nuclear membrane | |
Plasma membrane | |
Glycocalyx | |
Cell wall |
Question 5 |
The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the [CBSE AIPMT 2016]
methanogens | |
eubacteria | |
halophiles | |
thermoacidophiles |
Question 5 Explanation:
Methanogens produce methane from substrates such as H2/CO2, acetate, formate, methanol, and methylamines in a process called methanogenesis
Question 6 |
The vector for causing sleeping sickness is [CBSE AIPMT 1989]
housefly | |
tsetse fly | |
sandfly | |
fruit fly |
Question 6 Explanation:
African trypanosomiasis also known as sleeping sickness, is a vector-borne parasitic disease which is caused by protozoan parasites belonging to the genus Trypanosoma. Vector-borne diseases are transmitted by the bite of infected arthropod species, such as mosquitoes, ticks, triatomine bugs, sandflies, blackflies etc.
Question 7 |
Trypanosoma belongs to class [CBSE AIPMT 1989]
sarcodina | |
zooflagellata | |
ciliata | |
sporozoa |
Question 7 Explanation:
Trypanosoma, a protozoan protist belongs to group zooflagellata under the class protozoan protists.
Question 8 |
Which one of the following statements about viruses is correct? [CBSE AIPMT 2003]
Viruses possess their own metabolic system. | |
All viruses contain both RNA and DNA. | |
Viruses are obligate parasites. | |
Nucleic acid of viruses is known as capsid. |
Question 8 Explanation:
Viruses are small obligate intracellular parasites; contain either a RNA or DNA genome surrounded by a protective, virus-coded protein coat.
Question 9 |
The five kingdom classification was proposed by [NCERT]
R.H. Whittaker | |
C. Linnaeus | |
A. Roxberg | |
Virchow |
Question 9 Explanation:
In 1969, Robert Whittaker was the biologist who proposed the Five Kingdom Classification. The five kingdoms proposed by Whittaker are Monera, Protista, Fungi, Plantae and Animalia.
Question 10 |
Organisms living in salty areas are called as [NCERT]
methanogens | |
halophiles | |
heliophytes | |
thermoacidophiles |
Question 10 Explanation:
Halophiles are the organisms that thrive in areas of high salt concentration.
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