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NEET Exam  >  NEET Test  >  Biology Class 11  >  Test: Biological Classification - 2 - NEET MCQ

Biological Classification - 2 - Free MCQ Practice Test with solutions,


MCQ Practice Test & Solutions: Test: Biological Classification - 2 (15 Questions)

You can prepare effectively for NEET Biology Class 11 with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Biological Classification - 2". These 15 questions have been designed by the experts with the latest curriculum of NEET 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 15 minutes
  • - Number of Questions: 15

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Test: Biological Classification - 2 - Question 1
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Which of the following is a correct statement?

Detailed Solution: Question 1

  1. Mycoplasma is a type of bacteria that lack a cell wall, so they do not have a cell wall. They do have DNA and ribosomes.
  2. Bacteria can be either autotrophic or heterotrophic, so they are not exclusively heterotrophic. Some bacteria are indeed heterotrophic, while others are autotrophic.
  3. Slime molds are not classified under Kingdom Monera. They belong to the Kingdom Protista  and they are not bacteria. Slime molds can be saprophytic.

Topic in NCERT: Kingdom monera

Line in NCERT: "cyanobacteria are a group of autotrophic organisms classified under kingdom monera."

Test: Biological Classification - 2 - Question 2
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Which one of the following pairs is correctly matched?

Detailed Solution: Question 2

The correct match is:

- B: Mycorrhiza - Mineral uptake from soil

Explanation:
- Mycorrhiza is a symbiotic association between fungi and plant roots.
- Fungi help plants absorb essential nutrients like phosphorus and nitrogen from the soil.
- In return, the fungi receive sugars and other organic compounds from the plant.
- This relationship enhances the plant's ability to uptake minerals, aiding in its growth and overall health.

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Test: Biological Classification - 2 - Question 3
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Identify the group that is not matched correctly to all the characters shown:

 

Detailed Solution: Question 3

Conclusion: The group with a mismatch is Group 1 (Monera) because the cell wall is listed as "Absent," which is incorrect. Monera typically have a cell wall (e.g., bacteria have a non- cellulosic cell wall).

So, the answer is Group 1.

 identify the group that is not matched correctly with all the characters shown, let's analyze each group based on the provided characteristics:

  1. Monera

    • Cell Type: Prokaryotic
    • Cell Wall: Absent (This is incorrect; Monera, which includes bacteria, typically have a non- cellulosic cell wall.)
    • Nuclear Membrane: Absent (Correct; prokaryotic cells do not have a nuclear membrane.)
    • Body Organization: Cellular (Correct; Monera are unicellular.)

  2. Protista

    • Cell Type: Eukaryotic (Correct)
    • Cell Wall: Present in some (Correct; some protists have a cell wall, but not all.)
    • Nuclear Membrane: Present (Correct; eukaryotic cells have a nuclear membrane.)
    • Body Organization: Cellular (Correct; many protists are unicellular.)

  3. Fungi

    • Cell Type: Eukaryotic (Correct)
    • Cell Wall: Present (Correct)
    • Nuclear Membrane: Present (Correct)
    • Body Organization: Multicellular/loose tissue (This is generally correct, but fungi are often classified as having a multicellular structure with a mycelial network or loose tissue.)

  4. Plantae

    • Cell Type: Eukaryotic (Correct)
    • Cell Wall: Present (Correct)
    • Nuclear Membrane: Present (Correct)
    • Body Organization: Tissue/organ (Correct; plants have a complex organization with tissues and organs.)

Test: Biological Classification - 2 - Question 4
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Who divided animals into two group based on the presence and absence of red blood cells?

Detailed Solution: Question 4

Aristotle used simple morphological characters to classify plants into trees, shrubs and herbs.

He also divided animals into two groups, those which had red blood and those that did not.

Topic in NCERT: Biological classification

Line in NCERT: "aristotle also divided animals into two groups, those which had red blood and those that did not."

Test: Biological Classification - 2 - Question 5
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______of dinoflagellates have _______ flagella; one lies _________ and the other ________ in a furrow between the wall plates.

Detailed Solution: Question 5

Most of dinoflagellates have two flagella; one lies longitudinally and the other transversely in a furrow between the wall plates.

Topic in NCERT: Dinoflagellates

Line in NCERT: "most of them have two flagella; one lies longitudinally and the other transversely in a furrow between the wall plates."

Test: Biological Classification - 2 - Question 6
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Which one is not a member of kingdom Protista?

Detailed Solution: Question 6

Kingdom Protista includes unicellular, eukaryotic organisms only.

Phycomycetes is a subdivision of fungus which are multicellular.

Protozoa, slime moulds and euglenoids are part of kingdom Protista.

Topic in NCERT: Kingdom fungi

Line in NCERT: "members of kingdom fungi show a great diversity in structures and habitat. phycomycetes, ascomycetes, basidiomycetes and deuteromycetes are the four classes under this kingdom."

Test: Biological Classification - 2 - Question 7
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In the five-kingdom classification, _______ Kingdom  has brought together Chlamydomonas, Chlorella (earlier placed in _____within Plants and both having cell walls) with Paramoecium and Amoeba (which were earlier placed in the _____kingdom which lack cell wall)

Detailed Solution: Question 7

Kingdom Protista has brought together Chlamydomonas, Chlorella (earlier placed in thallophyta within Plants and both having cell walls) with Paramoecium and Amoeba (which were earlier placed in the animal kingdom which lack cell wall).

Topic in NCERT: Kingdom protista

Line in NCERT: "kingdom protista has brought together chlamydomonas, chlorella (earlier placed in algae within plants and both having cell walls) with paramoecium and amoeba (which were earlier placed in the animal kingdom which lack cell wall)."

Test: Biological Classification - 2 - Question 8
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Mad cow disease in cattle and Cr Jacob disease in humans are due to infection by__________________ .

Detailed Solution: Question 8

Mad cow disease, also known as bovine spongiform encephalopathy (BSE), in cattle and Creutzfeldt-Jakob disease (CJD) in humans are both caused by prions. Prions are abnormal forms of proteins that can induce normal proteins in the brain to adopt the abnormal conformation, leading to the accumulation of misfolded proteins and damage to brain tissue. 

Topic in NCERT: Prions

Line in NCERT: "the most notable diseases caused by prions are bovine spongiform encephalopathy (bse) commonly called mad cow disease in cattle and its analogous variant cr-jacob disease (cjd) in humans."

Test: Biological Classification - 2 - Question 9
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Coenocytic hyphae are-

Detailed Solution: Question 9

Coenocytic hyphae are:

- Continuous tubes filled with multinucleated cytoplasm

Topic in NCERT: Phycomycetes

Line in NCERT: "some hyphae are continuous tubes filled with multinucleated cytoplasm - these are called coenocytic hyphae."

Test: Biological Classification - 2 - Question 10
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Golden algae is included in

Detailed Solution: Question 10

Under kingdom protista, Chrysophytes group includes diatoms and golden algae (desmids).

Topic in NCERT: Chrysophytes

Line in NCERT: This group includes diatoms and golden algae (desmids).

Test: Biological Classification - 2 - Question 11
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Which system of classification was developed during Linnaeus time?

Detailed Solution: Question 11

In Linnaeus' time a Two Kingdom system of classification with Plantae and Animalia kingdoms was developed that included all plants and animals respectively. This system was used till very recently.

Topic in NCERT: Biological classification

Line in NCERT: "in linnaeus' time a two kingdom system of classification with plantae and animalia kingdoms was developed that included all plants and animals respectively."

Test: Biological Classification - 2 - Question 12
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The sex organs are______, but ___________is brought about by fusion of two vegetative or somatic cells of _________strains or genotypes. The resultant structure is dikaryotic which ultimately gives rise to________.
 

Detailed Solution: Question 12

The sex organs are absent, but plasmogamy is brought about by fusion of two vegetative or somatic cells of different strains or genotypes. The resultant structure is dikaryotic which ultimately gives rise to basidium.

Topic in NCERT: Basidiomycetes

Line in NCERT: "the sex organs are absent, but plasmogamy is brought about by fusion of two vegetative or somatic cells of different strains or genotypes. the resultant structure is dikaryotic which ultimately gives rise to basidium."

Test: Biological Classification - 2 - Question 13
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Which of the following statements accurately describes the characteristics of organisms in the kingdom Fungi?

Detailed Solution: Question 13

  • A: Incorrect. Organisms that depend on living plants for nutrients are called parasites, not saprophytes. Saprophytes decompose dead organic matter.
  • B: Incorrect. Nitrogen fixation in specialized cells called sheath cells is not a characteristic of fungi. It is typically found in some bacteria and cyanobacteria.
  • C: Incorrect. The fusion of two nuclei is called karyogamy, but this is not the only process involved in sexual reproduction in fungi.
  • D: Correct. Plasmogamy refers to the fusion of the cytoplasm of two different cells, which may or may not be gametes

Topic in NCERT: Sexual reproduction in fungi

Line in NCERT: "when a fungus reproduces sexually, two haploid hyphae of compatible mating types come together and fuse. the sexual cycle involves the following three steps: (i) fusion of protoplasms between two motile or non-motile gametes called plasmogamy. (ii) fusion of two nuclei called karyogamy."

Test: Biological Classification - 2 - Question 14
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The organism that completely lack a cell wall and are smallest living cell know, can survive without oxygen is

Detailed Solution: Question 14

Mycoplasmas are group of organism that lack cell wall and are smallest living organisms. They can survive without oxygen. Mycoplasmas are also called as PPLO (pleuro pneumonia like organism).

Topic in NCERT: Kingdom monera

Line in NCERT: "the mycoplasma are organisms that completely lack a cell wall. they are the smallest living cells known and can survive without oxygen."

Test: Biological Classification - 2 - Question 15
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What is formed by slime molds under suitable conditions?

Detailed Solution: Question 15

Line in NCERT: . Under suitable conditions, they form an aggregation called plasmodium which may grow and spread over several feet. During unfavourable conditions, the plasmodium differentiates and forms fruiting bodies bearing spores at their tips. The spores possess true walls. They are extremely resistant and survive for many years, even under adverse conditions. The spores are dispersed by air currents

Topic in NCERT: Slime mould

Line in NCERT: "under suitable conditions, they form an aggregation called plasmodium which may grow and spread over several feet."

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About this NEET Practice Test

This test contains 15 MCQs on Biological Classification - 2 with detailed solutions for each question. It is part of the Biology Class 11 course on EduRev, designed to align with the current NEET syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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