Class 11 Biology MCQs Biological Classification for NEET

Here, you will get Class 11 Biology MCQ of Chapter 2 Biological Classification for cracking NEET/AIIMS. By solving these MCQs of Class 11 Biology Chapter 2 Biological Classification, you will get the confidence to crack NEET. Practice MCQ Questions for Class 11 Biology with Answers on a daily basis and score well in exams. 

Biological Classification Class 11 MCQs Questions with Answers

Which of the following is used in biochemical and genetic work?
(a) Claviceps
(b) Aspergillus
(c) Neurospora
(d) Mucor

Answer: (c) Neurospora

Which of the following is not a viral disease?
(a) AIDS
(b) Herpes
(c) Tuberculosis
(d) Smallpox

Answer: (c) Tuberculosis

Sexual reproduction is by copulation of male and female followed by embryological development is characteristic feature of
(a) Animalia
(b) Fungi
(c) Mucor
(d) Plantae

Answer: (a) Animalia

The organism that completely lack a cell wall and are smallest living cell know, can survive without oxygen is
(a) Bacteriophages
(b) Yeast
(c) Mycoplasmas
(d) Virus

Answer: (c) Mycoplasmas

Wine turns sour because of
(a) Heat
(b) Aerobic bacteria
(c) Anaerobic bacteria
(d) Exposure to the light

Answer: (b) Aerobic bacteria

Which of the following organisms were placed together under algae?
(a) Chlorella and Chlamydomonas
(b) Spirogyra and Chlamydomonas
(c) Spirogyra and Chlorella
(d) All of the above

Answer: (d) All of the above

Which one of the following fixes CO2 in to carbohydrates?
(a) Rhizobium
(b) Nitrobactor
(c) Bacillus
(d) Rhodospirillum

Answer: (d) Rhodospirillum

Moneran phylogeny is best evidenced by sequence of nucleotides in RNA of ribosomes. On the basis of this information, the most primitive monerans are
(a) Archaebacteria
(b) Eubacteria
(c) Filamentour bacteria
(d) Cyanobacteria

Answer: (a) Archaebacteria

Who is called as “Father of taxonomy”
(a) Hooker
(b) Theophrastus
(c) Aristotle
(d) Linnaeus

Answer: (d) Linnaeus

The Term ‘Superparasite’ is; meant for
(a) Mycoplasma
(b) Animal parasites
(c) Viruses
(d) A parasite living on another parasite

Answer: (d) A parasite living on another parasite

Choose the correct match
(a) Photosynthetic autotrophs – Nutrient recycling
(b) Chemosynthetic autotrophs – Nitrogen fixation
(c) Heterotrophic bacteria – Production of antibiotics
(d) Mycoplasma – Production of curd

Answer: (c) Heterotrophic bacteria – Production of antibiotics

Potato spindle tuber disease is caused by
(a) Phycobionts
(b) Virus
(c) Bacteria
(d) Viroids

Answer: (d) Viroids

Which one of the following is true for fungi?
(a) They are phagotrophs
(b) They lack a rigid cell wall
(c) They are heterotrophs
(d) They lack nuclear membrane

Answer: (c) They are heterotrophs

Which of the following is an exception of monera kingdom
(a) Bacteria
(b) Virus
(c) Cyanobacteria
(d) Mycoplasma

Answer: (b) Virus

Satellite RNAs are present in some
(a) Plant viruses
(b) Viroids
(c) Prions
(d) Bacteriophages

Answer: (a) Plant viruses

Which of the following lacks peptidoglycan in their cell walls
(a) Halophile bacteria
(b) Methanogen bacteria
(c) Thermoacidophilic bacteria
(d) All the above

Answer: (d) All the above

Which of the following is an indicator of air pollution?
(a) Mycorrhiza
(b) Agaricus
(c) Lichens
(d) Common mushrooms

Answer: (c) Lichens

Quinine is obtained from
(a) Puccinia
(b) Neurospora
(c) Gonyaulax
(d) Cinchona

Answer: (a) Puccinia

Bacteria that live in hot springs are called
(a) Halophiles
(b) Thermoacidophiles
(c) Methanogens
(d) None of the above

Answer: (b) Thermoacidophiles

Which amongst kingdom animalia has become recently extinct?
(a) snow leopard
(b) indian macaque
(c) cheetah
(d) tiger

Answer: (c) cheetah

The main difference between Gram positive and gram negative resides in the composition of:
(a) Cilia
(b) Cell-wall
(c) Cell-membrane
(d) Cytoplasm

Answer: (b) Cell-wall

Nuclear membrane is absent in
(a) Fungi
(b) Protista
(c) Plantae
(d) Monera

Answer: (d) Monera

Organism having characters of both animals and plants is
(a) Bacterium
(b) Paramoecium
(c) Mycoplasma
(d) Euglena

Answer: (d) Euglena

Which one of the following organisms is not an example of eukaryotic cells?
(a) Paramecium caudatum
(b) Escherichia coli
(c) Euglena viridis
(d) Amoeba proteus

Answer: (b) Escherichia coli

Five kingdom system of classification suggested by R.H. Whittaker is not based on
(a) Presence or absence of a well defined nucleus
(b) Mode of reproduction
(c) Mode of nutrition
(d) Complexity of body organisation

Answer: (a) Presence or absence of a well defined nucleus

Red tides in sea appear due to
(a) Euglena
(b) Chrysophytes
(c) Dinoflagellates
(d) Diatoms

Answer: (c) Dinoflagellates

Match the columns:
1. Basidiomycetes – A. Agaricus
2. Ascomycetes – B. Albugo
3. Phycomycetes – C. Trichoderma
4. Deuteromycetes – D. Saccharomyces

(a) 1-D, 2-A, 3-B, 4-C
(b) 1-A, 2-D, 3-B, 4-C
(c) 1-A, 2-B, 3-D, 4-C
(d) 1-C, 2-D, 3-A, 4-B

Answer: (b) 1-A, 2-D, 3-B, 4-C

Genetic material for retrovirus is
(a) Nucleoprotein complex
(b) RNA
(c) Both DNA and RNA
(d) DNA

Answer: (b) RNA

Which one of the following is not a biofertilizer?
(a) Agrobacterium
(b) Rhizobium
(c) Nostoc
(d) Mycorrhiza

Answer: (a) Agrobacterium

Trypanosoma causes
(a) Dysentry
(b) Mumps
(c) Sleeping sickness
(d) Cholera

Answer: (c) Sleeping sickness

The organism that completely lack a cell wall and are smallest living cell known that can survive without oxygen is
(a) Virus
(b) Bacteriophages
(c) Yeast
(d) Mycoplasma

Answer: (d) Mycoplasma

The natural system of Classification is based on
(a) morphology
(b) evolutionary trend
(c) anatomy
(d) all of the above

Answer: (d) all of the above

The scientist who created the group protista for both unicellular plants and animals is
(a) haecke
(b) pasteur
(c) lister
(d) koch

Answer: (a) haecke

If a scientist has to names a similar species he should study the
(a) Holotype
(b) syntype
(c) mesotype
(d) isotype

Answer: (d) isotype

Chrysophytes, Euglenoids, Dinoflagellates and Slime moulds are included in the kingdom
(a) Monera
(b) Protista
(c) Fungi
(d) Animalia

Answer: (b) Protista

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