Biological Classification MCQs | Biological Classification Objective Type Questions and Answers

Questions
1 What is the main basis of classification in the five-kingdom system?
A Structure of the nucleus
B Structure of cell wall
C Asexual Reproduction
D Mode of Nutrition

Answer:Mode of Nutrition
2 Which of the following statements is false about the fungi?
A They are eukaryotes
B They are heterotrophs
C They possess a purely cellulosic cell wall
D None of the above

Answer: They possess a purely cellulosic cell wall
3 African Sleeping Sickness is caused by _______.
A Trypanozoma cruzi
B Trypanozoma Tangela
C Trypanozoma rhodesiense
D Trypanozoma gambiense

Answer: Trypanozoma gambiense
4 Linnaeus evolved a system of nomenclature called _______.
A Vernacular
B Monomial
C Polynomial
D Binomial

Answer: Binomial
5 What is a taxon?
A A group of related familiesn
B A type of living organisms
C A group of related species
D A group of any ranking

Answer: A group of any ranking
6 Phylogenetic classification is based on _______.
A Overall similarities
B Habit of plants
C Common evolutionary descendants
D All of these

Answer: Common evolutionary descendants
7 Static concept of species was proposed by _______.
A Darwin
B Theophrastus
C Linnaeus
D De Candolle

Answer: ales
8 The protists have which of the following?
A Free nucleic acid aggregates
B Nucleoprotein in direct contact with the rest of the cell substance
C Membrane-bound nucleoproteins within the cytoplasm
D Nucleoproteins condensed together in a loose mass

Answer:Membrane-bound nucleoproteins within the cytoplasm
9 Genes of Tobacco Mosaic Virus are _______.
A Double-stranded RNA
B Single-stranded RNA
C Double-stranded DNA
D Proteinaceous

Answer: Single-stranded RNA
10 Blue-green algae belong to which group?
A Protista
B Prokaryotes
C Fungi
D Bryophytes

Answer: Prokaryotes
11 Who wrote the book “Genera Plantarum”?
A Bessey
B Benthem and Hooker
C Linnaeus
D Hutchinson

Answer: Linnaeus
12 T.O. Diener discovered _______.
A Bacteriophage
B Infectious protein
C Free infectious DNA
D Free infectious RNA

Answer: Free infectious RNA
13 ICBN stands for _______.
A International Code of Botanical Nomenclature
B Indian Code of Botanical Nomenclature
C Indian Congress of Biological names
D Indian Congress of Botanical Nomenclature

Answer: International Code of Botanical Nomenclature
14 This component provides a sticky character to bacterial cell (NEET 2017)
A Glycocalyx
B Nuclear membrane
C Cell wall
D Plasma membrane

Answer: Glycocalyx
15 Pick the incorrect statement.
A Diatoms are microscopic and float in water passively
B Diatoms are chief producers in oceans
C Diatomaceous earth is formed by the cell walls of diatoms
D Walls of diatoms are easily destructible

Answer: Walls of diatoms are easily destructible
16 The imperfect fungi that are decomposers of litter and help in mineral cycling belong to
A Phycomycetes
B Ascomycetes
C Deuteromycetes
D Basidiomycetes

Answer:Deuteromycetes
17 Pick the incorrect statement.
A Neurospora is used in the study of biochemical genetics
B Penicillium is multicellular and produces antibiotics
C Yeast is unicellular and used in fermentation
D Morels and truffles are poisonous mushrooms

Answer: Morels and truffles are poisonous mushrooms
18 A capsule is advantageous to a bacterium because
A it protects the bacterium from desiccation
B it protects means of locomotion
C it allows the bacterium to “hide” from the host’s immune system
D it allows the bacterium to attach to the surface

Answer: it allows the bacterium to “hide” from the host’s immune system
19 The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorized as
A cyanobacteria
B archaebacteria
C chemosynthetic autotrophs
D heterotrophic bacteria

Answer: heterotrophic bacteria
20 The pathogen Microsporum responsible for ringworm disease in humans belongs to the same kingdom of organisms as that of (Mains 2011)
A Ascaris, a roundworm
B Rhizopus, a mould
C Wuchereria, a filarial worm
D Taenia, a tapeworm

Answer: Rhizopus, a mould
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