Biological Classification NEET Questions
The students who are appearing NEET exam should prepare for all the important chapters to secure good marks in NEET 2022. Biological classification is the second chapter categorized under the Unit Diversity In The Living World of class XI or class 11th Biology NCERT. On an average, we can expect 3-4 questions at from this particular chapter. For the NEET exam, 4% of the total biological classification neet questions from the past years have been asked from this Biological Classification chapter.
In this article we have provided you all Previous Year Biological Classification NEET Questions.
Biological Classification mcq for NEET
Qn1. Which of the following is correct about viroid: [NEET- 2020]
Qn5. Which is of the following statements is incorrect: [NEET- 2019]
Qn62. Black rust of wheat is caused by: [Mains-2010]Qn63. Phylogenetic system of classification is mainly based on: [2009]
Qn64. T.O. Diener discovered a/an: [2009]
Qn65. Oxygenic photosynthesis occurs in: [2009]Qn68. Bacterial leaf blight of rice is caused by a species of: [2008]
Qn69. Thermococcus, Methanococcus and Methanobacterium exemplify: [2008] Qn71. Which of the following is a slime mold? [2007]
Qn74. Curing of tea leaves is brought about by the activity of: [2006]
Qn75. Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread? [2006]
(A) They have free DNA without protein coat.
(B) They have RNA with protein coat.
(C) They have free RNA without protein coat.
(D) They have DNA with protein coat.
Solution: Correct option is C.
Qn2. Mad cow disease in cattle is caused by an organism which has: [Odisha NEET- 2019]
(A) inert crystalline structure
(C) free RNA without protein coat
Solution: Correct option is B.
Qn3. Which of the following statement is incorrect: [NEET- 2019]
(A) Viroids lack a protein coat.
(B) Viruses are obligate parasites
(C) Infective constituent of viruses is the protein coat.
(D) Prions consists of abnormal folded protein
Solution: Correct option is C.Qn4. Match the organisms in column-I with habitats in column-II: [Odisha NEET- 2019]
| Column I | Column II |
|---|---|
| (a) Halophiles | (i) Hot springs |
| (b)Thermoacidophiles | (ii)Aquatic environment |
| (c) Methanogens | (iii) gut of ruminants |
| (d) Cynobacteria | (iv) Salty areas |
(A) (a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)
(B) (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
(C) (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
(D) (a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
Solution: Correct option is A.
(A) Morels and truffles are edible delicacies.
(B) Claviceps is a source of many alkaloids and LSD.
(C) Conidia are produced exogenously and ascospores endogenously.
(D) Yeasts have filamentous bodies with long thread-like hyphae.
Solution: Correct option is D.
Qn6. Match Column - I with Column - II [NEET- 2019]
Column - I Column - II
(a)Saprophyte (i) Symbiotic association of fungi with plant roots
(b) Parasite (ii) Decomposition of dead organic materials
(c) Lichens (iii) Living on living plants or animals
(d) Mycorrhiza (iv) Symbiotic association of algae and fungi
Choose the correct answer from the option given below:
(A)a-i, b-ii , c-ii d-iv
(B) a-iii, b-ii, c-i, d-iv
(C)a-ii, b-i, c-iii, d-iv
(D)-a-ii, b-iii, c-iv. d-i
Solution: Correct option is D.
Qn7. Which of the following organisms are known as chief producers in the oceans:[NEET-2018]
Solution: Correct option is D.
Qn8. Ciliates differ from all other protozoans in: [NEET- 2018]
Qn10. After karyogamy followed by meiosis, spores are produced exogenously in:[NEET- 2018]
(A) Neurospora
(B) Alternaria
(C) Agaricus
(D) Saccharomyces
Solution: Correct option is C.
Qn11. Select the wrong statement : [NEET- 2018]
(A) Cell wall is present in members of Fungi and Plantae
(B) Mushrooms belong to Basidiomycetes
(C) Pseudopodia are locomotory and feeding structures in sporozoans
(D) Mitochondria are the powerhouse of the cell in all kingdoms exept Monera
Solution: Correct option is C.
Qn12. Which of the following are found in extreme saline conditions: [NEET- 2017]
Qn13. 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]
Qn60. Given below is the diagram of a bacteriophage. [Mains-2010]
In which one of the options all the four parts A, B, C, and D are correct?
(A)A - Tail fibres, B - Head, C - Sheath, D -collar
(B)A - Sheath, B - Collar, C - Head, D - Tail fibres
(C)A - Head, B - Sheath, C - Collar, D - Tail fibres
(D)A - Collar, B - Tail fibres, C - Head, D - Sheath
Solution: Correct option is C.Qn61. Select the correct combination of the statement of the statement ( A − D ) regarding the characteristics of certain organisms: [Mains-2]
(a) Methanogens are Archaebacteria which produce methane in marshy areas
(b) Nostoc is a filamentous blue-green algae which fixes atmospheric nitrogen
(c) Chemosynthetic autotrophic bacteria synthesize cellulose from glucose
(d) Mycoplasma lack a cell and cen survive without oxygen The correct statement are
(A) b,c
(B) a,b,c
(C) b,c,d
(D) a,b,d
Solution: Correct option is D.
(A) embryological characters
(B) evolutionary characters
(C) morphological Characters
(D) oral characters
Solution: Correct option is B..
(A) Free infectious DNA
(B) Infectious protein
(C) Bacteriophage
(D) Free infectious RNA
Solution: Correct option is D.
Qn66. Which of the following is a symbiotic nitrogen fixer? [2009]
(A) Azolla
(B) Glomus
(C) Azotobacter
(D) Frankia
Solution: Correct option is D. (A) Xanthomonas
(B) Pseudomonas
(C) Alternaria
(D) Erwinia
Solution: Correct option is A.
(A) Rhizopus
(b) Physarum
(c) Thiobacillus
(d) Anabaena
Solution: Correct option is B.
Qn72. Which one of the following stateme
Statementsnts about Mycoplasma is wrong? [2007]
(A) They are also called ppLO
(B) They are pleomorphic
(C) They are sensitive to penicillin
(D) They cause disease in plants
Solution: Correct option is B.
Qn73. Which pair of the following belongs to Basidiomycetes? [2007]
(A) Birds nest fungi and puff balls
(B) Puff balls and Claviceps
(C) Peziza and stink horns
(D) Morchella and mushrooms
Solution: Correct option is A.
(A) Viruses
(B) Fungi
(C) Bacteria
(D) Mycorrhiza
Solution: Correct option is C.
(A) Temperature of about 250 °C.
(B) Temperature of about 5°C.
(C) Relative humidity of about 5%.
(D) Relative humidity of about 95%.
(E) A shady place.
(F) A brightly illuminated place.
(A) B and D only(B) B, C and F only
(C) A, C and E only
(D) A, D and E only
Solution: Correct option is D.
Qn76. All of the following statements concerning the actinomycetes filamentous soil bacterium Frankia are correct except that Frankia: [2005]
(A) can induce root nodules on many plant species
(B) cannot fix nitrogen in free living state
(C) cannot fix specialised vesicles in which the nitrogenase is protected from oxygen by a chemical barrier involving triterpene hopanoids.
(D) like Rhizobium, it usually infects its host plant through root hair deformation and stimulates cell proliferation in the host's cortex
Solution: Correct option is B.
Qn77. For retting of jute the fermenting microbe used is: [2005]
(A) Methophilic bacteria
(B) Butyric acid Bac
(C) Helicobactor pylori
(D) Streptococcus lactin
Solution: Correct option is B.
Qn78. Barophilic prokaryotes - [2005]
(A) Grow slowly in highly alkaline frozen lakes at high altitudes
(B) Grow and multiply in very deep marine sediments
(C) Readily grow and divide in sea water enriched in any soluble salt of barium
(D) Occur in water containing high concentration of barium hydroxide
Solution: Correct option is B.Qn79. There exists a close association between the alga and the fungus within a lichen. The fungus : [2005]
(A) provides protection, anchorage and absorption for the alga
(B) provides food for the alga
(C) fixes the atmospheric nitrogen for the aiga
(D) release oxygen for the alga kingdom Solution: Correct option is A.
Qn80. Which of the following statements is not true for retroviruses: [2004]
(A) DNA is not present at any stage in the life cycle of retroviruses
(B) Retroviruses carry gene for RNA dependent DNA polymerase
(C) The genetic material in mature retroviruses is RNA
(D) Retroviruses are causative agents for certain kinds of cancer ln ma
Solution: Correct option is A.
Qn81. Viruses that infect bacteria, multiply and cause their lysis are called: [NEET-2004]
(A) lysozymes
(B) lytic
(C) lipolytic
(D) lysogenic
Solution: Correct option is B.
Qn82. Phenetic classification of organisms is based on? [2004,2003]
(A) Dendrogram based on DNA characteristics.
(B) Sexual characteristics.
(C) Observable characteristics of existing organisms.
(D) The ancestral lineage of existing organisms.
Solution: Correct option is C.Qn83. A free living nitrogen-fixing cyanobacterium which can also form symbiotic association with the water fern Azolla is: [2004]
(A) Tolypothrix
(B) Chlorella
(C) Nostoc
(D) Anabaena
Solution: Correct option is D.
Qn84. During replication of a bacterial chromosome DNA synthesis starts from a replication origin site and: [2004]
(A) RNA primers are involved
(B) is facilitated by telomerase
(C) moves in one direction of the site
(D) move in bi-directional way
Solution: Correct option is D.
Qn85. Lichens are well known combination of an algae and a fungus, where fungus has: [2014]
(A) a saprophytic relationship with the algae
(B) an epiphytic relationship with the algae
(C) a parasitic relationship with the algae
(D) a symbiotic relationship with the algae
Solution: Correct option is D.
Qn86. Chromosomes in a bacterial cell can be 1-3 in number and: [2003]
(A) can be circular as well as linear within the same cell
(B) are always circular
(C) are always linear
(D) can be either circular or linear, but never both within the same cell
Solution: Correct option is D.
Qn87. Which one of the following statements about viruses is correct: [2003]
(A) Viruses possess their own metabolic system
(B) Viruses contain either DNA or RNA
(C) Viruses are facultative parasites
(D) Viruses are readily killed by antibiotics
Solution: Correct option is B.
Qn88. Tobacco mosaic virus is a tubular filament of size: [2003]
(A) 700 x 30 nm
(B) 300 x 10 nm
(C) 300 x 5 nm
(D) 300 x 18 nm
Solution: Correct option is D.
Qn89. Viruses are no more 'alive' than isolated chromosomes because: [2003]
(A) both require the environment of a cell to replicate
(B) they require both RNA and DNA
(C) they both need food molecules
(D) they both require oxygen for respiration
Solution: Correct option is A.
Qn90. In which kingdom would you include archaea and nitrogen-fixing organisms in the five-kingdom classification? [2003]
(A) Plantae
(B) Fungi
(C) Protista
(D) Monera
Solution: Correct option is D.Qn91. In five kingdom system, the main basis of classification : [2002]
(A) Structural of nucleus
(B) Nutrition
(C) Structure of cell wall
(D) Asexual reproduction
Qn92. Which statements is correct for bacterial transduction ? [2002]
(A) Transfer of some genes from one bacteria to another bacteria through virus
(B) Transfer of genes from one bacteria to another bacteria by conjugation
(C) Bacteria obtained its DNA directly
(D) Bacteria obtained DNA from other external scurce
Solution: Correct option is A.
Qn93. The growth curve of bacterial population in lab is plotted against time' What will be the shape of graph? [2002]
(A) Sigmoid
(B) Hyperbolic
(C) Ascending straight line
(D) Descending straight line
Solution: Correct option is B.
Qn94. Some bacteria are able to grow in Streptomycin containing medium due to: [2002]
Qn95. In bacteria, plasmid is: [2002]
(A) extrachromosomal material
(B) main DNA
(C) non-functional DNA
(D) repetitive gene
Solution: Correct option is A.
Qn96. Choose the correct sequence of stages of growth curve for bacteria: [2002]
(A) lag, log, stationary, decline phase
(B) lag, log, stationary phase
(C) stationary, lag, log, decline phase
(D) decline, lag, log phase
Solution: Correct option is A.
Qn97. Which fungal disease spreads by seed and flowers? [2002]
(A) Loose smut of wheat
(B) Corn stunt
(C) Covered smut of barley
(D) Soft rot of potato
Solution: Correct option is A.
Qn98. Which of the following secretes toxins during storage condition of crop plants: [2002]
(A) Fusarium
(B)Pencillium
(C) Aspergillus
(D) Colletotrichum
Solution: Correct option is C.
Qn99. Cauliflower mosaic virus contains: [2001]
(A) ssRNA
(B) dsRNA
(C) dsDNA
(D) ssDNA
Solution: Correct option is C.
Qn100. What is true for cyanobacteria? [2001]
(A) Oxygenic with nitrogenase
(B) Oxygenic without nitrogenase
(C) Non-oxygenic with nitrogenase
(D) Non-oxygenic without nitrogenase
Solution: Correct option is A.
Qn101. What is true for archaebacteria? [2001]
(A) All halophiles
(B) All photosynthetic
(C) All fossils
(D) Oldest living beings
Solution: Correct option is D.
Qn102. Adhesive pad of fungi penetrates the host with the help of: [2001]
(A) mechanical pressure and enzymes:
(B) hooks and suckers
(C) softening by enzymes
(D) only by mechanical pressure
Solution: Correct option is A.
Qn103. Black rust of wheat is caused by: [2000]
(A) Puccinia
(B) Ustilago
(C) Albugo
(D) Phytophthora
Solution: Correct option is A.Also check for,
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