NEET Biology is the scoring paper in the medical entrance examination. Here, you will discover the NEET Biology MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Biology Archaebacteria Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.
MCQs on Archaebacteria
1. Some bacteria thrive in extreme environment conditions such as absence of oxygen, high salt concentration, high temperature and acidic pH. It is
(a) Eubacteria
(b) Cyanobacteria
(c) Archaebacteria
Answer
Answer: (c)
2. This about archaebacteria is true
(a) All halophiles
(b) all photosynthetic
(c) old living entities
(d) all fossils
Answer
Answer: (c)
3. Some hyperthermophilic organisms that grow in highly acidic (pH2) habitats belong to the two groups called
(a) Cyanobacteria and Diatoms
(b) Liverworts And Yeasts
(c) Protists And Mosses
(d) Eubacteria And Archaea
Answer
Answer: (d)
4. This is found in extreme saline conditions
(a) eubacteria
(b) cyanobacteria
(c) archaebacteria
(d) mycobacteria
Answer
Answer: (c)
5. Most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorized as
(a) heterotrophic bacteria
(b) archaebacteria
(c) cyanobacteria
(d) chemosynthetic autotrophs
Answer
Answer: (a)
6. Methanogens belong to
(a) slime moulds
(b) dinoflagellates
(c) eubacteria
(d) archaebacteria
Answer
Answer: (d)
7. Archaebacteria is different from eubacteria in having
(a) cell shape
(b) mode of reproduction
(c) mode of nutrition
(d) cell membrane structure
Answer
Answer: (d)
8. Methanococcus, Thermococcus and Methanobacterium exemplify
(a) bacteria that contain a cytoskeleton and ribosomes
(b) bacteria whose DNA is relaxed or positively supercoiled but which have a cytoskeleton as well as mitochondria
(c) archaebacteria that lack any histones resembling those found in eukaryotes but whose DNA is negatively supercoiled
(d) archaebacteria that contain protein homologous to eukaryotic core histones
Answer
Answer: (c)
9. After the new classification of living organisms into three domains of life (bacteria, archaea and eukarya) which one of the following is true about archaea?
Archaea ____________
(a) completely differ from prokaryotes
(b) completely differ from both eukaryotes and prokaryotes
(c) have some novel features that are absent in other eukaryotes and prokaryotes
(d) resemble eukarya in all respects
Answer
Answer: (c)
10. Which of the following are likely to be present in deep sea water
(a) eubacteria
(b) archaebacteria
(c) saprophytic fungi
(d) blue-green algae
Answer
Answer: (b)