Check the below NCERT MCQ Questions for Class 11 Biology Chapter 2 Biological Classification with Answers Pdf free download. MCQ Questions for Class 11 Biology with Answers were prepared based on the latest exam pattern. We have provided Biological Classification Class 11 Biology MCQs Questions with Answers to help students understand the concept very well.
Biological Classification Class 11 MCQs Questions with Answers
The two kingdom Classification was given by
(b) john ray
Answer: (c) huxley
Choose the correct pair.
(a) Parasitic fungi – feeds on plants and animals
(b) Saprotrophic fungi – feeds on dead and decaying organic matter
(c) Symbiotic fungi – mycorrhiza
(d) All of the above are true
Answer: (d) All of the above are true
Saprotrophic fungi feeds on dead and decaying organic matter.
Parasitic fungi feeds on animals and plants.
Symbiotic fungi are of two types mycorrhiza and lichens.
Mycorrhiza – the fungus is in close association with roots of higher plants.
Lichens – fungi is in close relationship with algae.
Which of the following is used in biochemical and genetic work?
Answer: (c) Neurospora
Neurospora is used in biochemical and genetic work, it belongs to class Ascomycetes.
If a scientist has to names a similar species he should study the
Answer: (d) isotype
Which of the following is not a viral disease?
Answer: (c) Tuberculosis
AIDS, herpes and smallpox are viral diseases.
Tuberclosis is a bacterial disease.
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
Photosynthetic autotrophs helps in fixing atmospheric nitrogen.
Chemosynthetic autotrophs helps in nutrient recycling.
Heterotrophic bacteria helps in making curd, production of antibiotics, etc.
The scientist who created the group protista for both unicellular plants and animals is
Answer: (a) haecke
Binomial nomenclature was given by
Answer: (d) linnaeus
Which of the following is an indicator of air pollution?
(d) Common mushrooms
Answer: (c) Lichens
Lichens are the indicators of air pollution.
Lichens are the association between fungi and algae. They do not grow in polluted areas.
The natural system of Classification is based on
(b) evolutionary trend
(d) all of the above
Answer: (d) all of the above
Potato spindle tuber disease is caused by
Answer: (d) Viroids
In 1971, Diener discovered a new infectious agents called Viroids that was smaller than viruses.
These viroids causes potato spindle tuber disease.
Quinine is obtained from
Answer: (a) Puccinia
Quinine is obtained from Cinchona officinalis.
According to five-kingdom classification, which of the following does not contain nuclear membrane?
Answer: (b) Monera
According to five kingdom classification, Monera does not contain nuclear membrane.
Two organisms of the same class but different families will be kept under the same
Answer: (c) order
Bacteria that live in hot springs are called
(d) None of the above
Answer: (b) Thermoacidophiles
The bacteria that live in hot springs are called thermoacidophiles.
Bacteria that live in salty areas are called halophiles.
Bacteria that live in marshy areas are called methanogens.
Which amongst kingdom animalia has become recently extinct?
(a) snow leopard
(b) indian macaque
Answer: (c) cheetah
Red tides in sea appear due to
Answer: (c) Dinoflagellates
Red tides in sea appear is due to red dinoflagellates.
Gonyaulax undergoes rapid multiplication and makes the sea apear red.
The asexual spores are not found, vegetative reproduction occurs by fragmentation and sexual organs are absent. Identify the class of fungi.
Answer: (c) Basidiomycetes
In basidiomycete asexual spores are not found and vegetative reproduction occurs by fragmentation.
Sex organs are absent in this class of fungi.
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
(c) Sleeping sickness
Answer: (c) Sleeping sickness
Trypanosoma causes sleeping sickness.
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