📚 Biological Classification NEET Test, MCQs & PYQs Master 100%

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Well done but don’t forget to revise the wrong answers!!!!

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#1. Which of the following organisms is not classified within the five kingdom system?**

Protozoans

Viruses

Lichens

Both (2) and (3)

#2. Which of the following statements is accurate?

Organisms in Kingdom Protista are mainly aquatic.

Dinoflagellates, euglenoids, and slime molds are classified under Kingdom Monera.

Cholera, typhoid, and tetanus are primarily viral diseases.

Dinoflagellates are key producers in marine ecosystems.

#3. Select the correct statement(s) regarding red tides and dinoflagellates: Statement I: Red tides are caused by rapid multiplication of certain species of dinoflagellates. Statement II: Red tides can be toxic to marine life due to the release of harmful substances.

Both Statements I and II are correct.

Only Statement I is correct

Only Statement is II correct

Neither Statement I nor II is correct

#4. Assertion: Viruses are non-cellular organisms that do not have a cellular structure. Reason: Viruses are considered non-living because they cannot carry out metabolic processes on their own and require a host cell for replication.

Both the assertion and reason are true, and the reason is the correct explanation for the assertion.

Both the assertion and reason are true, but the reason is not the correct explanation for the assertion.

The assertion is true, but the reason is false.

The assertion is false, but the reason is true.

Both the assertion and reason are correct. Viruses lack a cellular structure and are not living organisms since they require a host cell to replicate, thus not carrying out independent metabolic processes.

#5. ) Fill in the blanks: Fungi are (1) organisms and their cell walls are made up of (2).

1) Heterotrophic, 2) Chitin and cellulose

1)Heterotrophic , 2)Chitin and polysaccharides

1) Photosynthetic, 2) Polysaccharides and proteins

1) Symbiotic, 2) Proteins and cellulose

#6. Which organisms are microscopic and float freely in both fresh and marine waters?

Chrysophytes

Dinoflagellates

Euglenoids

Slime molds

#7. Which characteristic defines the artificial system established by Carlous Linnaeus?

Based on evolutionary trends.

Phylogenetic in nature.

Determined by the number of traits.

Relies on a few superficial morphological similarities and differences.

#8. Which of the following statements about viruses is true?

Viruses are considered living organisms because they have a cell structure.

Viruses can replicate only within their host cells and are inert outside the host.

All viruses contain both RNA and DNA.

Viruses can independently carry out metabolic processes without the help of a host cell.

#9. The following characteristics are assigned to which group? (a) Mycelium is branched and septate. (b) Generally, no asexual spores are formed. (c) Vegetative reproduction through fragmentation is common. (d) Absence of sex organs, but sexual reproduction occurs via somatogamy. (e) Karyogamy and meiosis occur in basidia, forming four haploid basidiospores. (f) Basidia are arranged in basidiocarp

Penicillium

Agaricus

Algal fungi

Fungi imperfecti

#10. These features correspond to: (a) They exhibit colors such as yellow, green, brown, blue, and red based on pigments. (b) Their cell wall is made of stiff cellulosic plates. (c) They possess one longitudinal and one transverse flagellum. (d) They are photosynthetic.

Diatoms

slime moulds

Dinoflagellates

Euglenoids

#11. If hyphae are continuous tubes filled with multinucleated cytoplasm, they are known as:

Septate hyphae

Coenocytic hyphae

Mycelium

None of these

#12. What is the main component of the cell wall in fungi?

Cellulose

Chitin

Lignin

Glycogen

#13. Which of the following is correctly matched?

"Agaricus - Smut"

"Ustilago - Mushroom"

"Puccinia - Insectivorous plant"

"Deuteromycetes - Imperfect fungi"

#14. In the system of five kingdoms, which kingdom contains organisms that are both unicellular and multicellular?

Monera

Plantae

Protista

Fungi

#15. According to the six-kingdom system, how many kingdoms are included within Domain Eukarya?

#16. Identify the correct statement.

Phycomycetes encompass mushrooms, bracket fungi, and puffballs.

The mycelium of Basidiomycetes is branched and septate.

Neurospora is widely used in biochemical and genetic research; it belongs to the Basidiomycetes group.

Morels and truffles are not edible.

#17. How many of the following fungi belong to the Ascomycetes class?

"Five"

"Seven"

"Nine"

"Ten"

#18. Which characteristics belong to slime moulds? (a) They are saprophytic. (b) They form plasmodium under favorable conditions. (c) Their spores have true cell walls. (d) Their spores are dispersed by water. (e) Their bodies move along decaying organic matter.

All except (d).

All except (e).

All except (c) and (e).

All except (b).

#19. The term prokaryote :

Lack a true nucleus

Contain chlorophyll

Are multicellular

Have a well-defined nuclear membrane

#20. Which of the following is a characteristic of Archaebacteria?

They live in extreme conditions like hot springssalt lakes and deep-sea vents.

They have a peptidoglycan layer in their cell walls.

They are exclusively found in oxygen-rich environments.

They are classified under the Kingdom Plantae.

#21. Which of the following diseases is caused by prions?

Potato spindle tuber disease

Mad cow disease (bovine spongiform encephalopathy)

Mumps

Smallpox

#22. The statements below pertain to which organism? (a) They have a protein-rich pellicle instead of a cell wall, allowing flexibility. (b) They possess two flagella, one short and

Dinoflagellates.

Slime molds.

Desmids and diatoms.

Euglena

#23. Which of the following is NOT true regarding the function of algae and fungi in lichens?

Algae are autotrophic and provide food for fungi.

Fungi are heterotrophic and provide water and nutrients to algae.

The symbiotic relationship between algae and fungi in lichens is mutually beneficial.

Fungi can perform photosynthesis and produce food for algae.

#24. Which of the following criteria did R.H. Whittaker use for his five-kingdom classification system? (a) Cell structure (b) Body organization (c) Mode of nutrition (d) Reproduction (e) Phylogenetic relationships (f) Habitat (g) Biochemical differences

All except (e) and (f)

All except (f) and (g)

All except (d) and (g)

All except (c) and (e)

#25. T.O. Diener is known for discovering which of the following?

Bacteriophage

Free infectious RNA

Free infectious DNA

Infectious protein

#26. Which of the following is not a characteristic of protists?

They are unicellular.

They can be autotrophic or heterotrophic.

They have a true nucleus.

They are multicellular.

#27. Which is not a feature of viruses?

They have a cellular structure.

They can replicate within living host cells.

They can cause diseases in plants animals and humans.

They are acellular and consist of DNA or RNA inside a protein coat.

#28. Certain cyanobacteria can fix atmospheric nitrogen in specialized cells known as:

Akinetes

Heterocysts

Homocysts

Nodules

#29. Which of the following statements is true about bacteria?

All bacteria are unicellular and lack a true nucleus.

Some bacteria are multicellular.

Bacteria have a complex internal structure like eukaryotic cells.

Bacteria are only found in harmful environments.

#30. The structure that forms the fruiting body of mushrooms is called:

Mycelium

Hyphae

Basidiocarp

Spores

#31. Which of the following is true about the kingdom Monera?

It consists only of multicellular organisms.

It includes both prokaryotic and eukaryotic organisms.

It contains only unicellular organisms.

It includes both autotrophic and heterotrophic organisms.

Explanation : cyanobacteria is autotrophic member of kingdom monera

#32. Paramecium :

"A ciliated protozoan."

"Maintains water currents using cilia

"All of these."

"Has a cavity (gullet) that opens to the cell surface."

#33. Which of the following statements is correct about the kingdom Animalia?

Animals are multicellular and eukaryotic.

All animals have a cell wall.

Animals are autotrophic.

All animals can perform photosynthesis

#34. Which of the following groups of organisms are known for their ability to produce antibiotics?

Fungi

Protozoa

Archaebacteria

Eubacteria

#35. Which of the following viruses is typically composed of a double-stranded DNA genome?

Tobacco mosaic virus

Hepatitis C virus

Bacteriophage

Influenza virus

#36. Which of the following is a unique feature of marine forms of amoeboid protozoans?

"Presence of flagella for locomotion"

"A silica-based shell covering the cell body"

"Ability to photosynthesize in low light"

"Formation of colonies in freshwater environments"

#37. Assertion: The existence of prions challenges the traditional understanding of infectious agents. Reason: Prions, unlike viruses, do not contain nucleic acids but cause diseases by altering the conformation of normal proteins.

Both the assertion and reason are true, and the reason is the correct explanation for the assertion.

Both the assertion and reason are true, but the reason is not the correct explanation for the assertion.

The assertion is true, but the reason is false.

The assertion is false, but the reason is true.

Explanation: The assertion is correct because prions challenge the traditional view of pathogens, and the reason explains that prions replicate by misfolding other proteins without involving nucleic acids.

#38. Which of the following is a unique feature of bacteria?

Presence of chloroplasts

Presence of mitochondria

Presence of a nucleoid region

Presence of a nucleus

#39. The term ‘Prokaryotae’ was coined by Whittaker for which kingdom?

Monera

Plantae

Animalia

Fungi

#40. Which of the following eukaryotes is extensively utilized in experimental genetics?

"E. coli"

"Alternaria"

"Ustilago"

"Neurospora"

#41. Which of the following best describes the nutrition of Eubacteria?

Autotrophic and saprophytic.

Autotrophic and parasitic.

Heterotrophic only.

Autotrophic only.

#42. Which of the following is not a characteristic of fungi?

Heterotrophic nutrition

Eukaryotic cell structure

Cell wall made of chitin

Multicellular with chloroplasts

#43. Which of the following protists exhibits a saprophytic lifestyle, moving along decaying matter and forming a plasmodium?

Chrysophytes

Euglenoids

Slime moulds

Ciliated protozoans

#44. Fungi develop fruiting bodies in which division occurs, resulting in the formation of spores.

mitotic, diploid

reduction, haploid

mitotic, haploid

reduction, diploid

#45. What is the main characteristic of organisms in the kingdom Animalia?

They are autotrophic.

They are unicellular.

They are heterotrophic and multicellular.

They have a cell wall made of cellulose.

#46. Aristotle was one of the first to attempt a scientific classification of living organisms. How did he classify plants and animals?

Plants into trees, shrubs, and herbs based on size and structure, and animals into two groups based on the presence or absence of red blood.

Plants based on their ability to perform photosynthesis and animals based on their behavior.

Plants based on the number of petals and animals based on the number of legs.

Plants and animals based solely on their habitat.

#47. Assertion (A): Slime moulds form a structure called plasmodium under favorable conditions. Reason (R): Plasmodium in slime moulds serves to engulf organic material and can grow to cover a large surface area.

re true, and R is the correct explanation of A.Both A and R a

Both A and R are true, but R is not the correct explanation of A.

A is true, but R is false.

A is false, but R is true.

#48. Which of the following is not a characteristic of the kingdom Monera?

Unicellular

Prokaryotic

Heterotrophic or autotrophic

Multicellular organisms with specialized organs

#49. Which of the following is NOT a characteristic of prions?

Prions are infectious agents composed of abnormally folded proteins.

Prions can cause neurological diseases such as mad cow disease and CJD.

Prions contain both DNA and RNA as their genetic material.

Prions are capable of inducing other proteins to misfold and become prions themselves.

#50. What is the haploid sexual spore produced exogenously?

"Ascospore"

"Basidiospore"

"Oospore"

"Zygospore"

Finish

Results

#1. Which of the following organisms is not classified within the five kingdom system?**

#2. Which of the following statements is accurate?

#3. Select the correct statement(s) regarding red tides and dinoflagellates: Statement I: Red tides are caused by rapid multiplication of certain species of dinoflagellates. Statement II: Red tides can be toxic to marine life due to the release of harmful substances.

#4. Assertion: Viruses are non-cellular organisms that do not have a cellular structure. Reason: Viruses are considered non-living because they cannot carry out metabolic processes on their own and require a host cell for replication.

#5. ) Fill in the blanks: Fungi are __________ (1) organisms and their cell walls are made up of __________ (2).

#6. Which organisms are microscopic and float freely in both fresh and marine waters?

#7. Which characteristic defines the artificial system established by Carlous Linnaeus?

#8. Which of the following statements about viruses is true?

#10. These features correspond to: (a) They exhibit colors such as yellow, green, brown, blue, and red based on pigments. (b) Their cell wall is made of stiff cellulosic plates. (c) They possess one longitudinal and one transverse flagellum. (d) They are photosynthetic.

#11. If hyphae are continuous tubes filled with multinucleated cytoplasm, they are known as:

#12. What is the main component of the cell wall in fungi?

#13. Which of the following is correctly matched?

#14. In the system of five kingdoms, which kingdom contains organisms that are both unicellular and multicellular?

#15. According to the six-kingdom system, how many kingdoms are included within Domain Eukarya?

#16. Identify the correct statement.

#17. How many of the following fungi belong to the Ascomycetes class?

#18. Which characteristics belong to slime moulds? (a) They are saprophytic. (b) They form plasmodium under favorable conditions. (c) Their spores have true cell walls. (d) Their spores are dispersed by water. (e) Their bodies move along decaying organic matter.

#19. The term prokaryote :

#20. Which of the following is a characteristic of Archaebacteria?

#21. Which of the following diseases is caused by prions?

#22. The statements below pertain to which organism? (a) They have a protein-rich pellicle instead of a cell wall, allowing flexibility. (b) They possess two flagella, one short and

#23. Which of the following is NOT true regarding the function of algae and fungi in lichens?

#24. Which of the following criteria did R.H. Whittaker use for his five-kingdom classification system? (a) Cell structure (b) Body organization (c) Mode of nutrition (d) Reproduction (e) Phylogenetic relationships (f) Habitat (g) Biochemical differences

#25. T.O. Diener is known for discovering which of the following?

#26. Which of the following is not a characteristic of protists?

#27. Which is not a feature of viruses?

#28. Certain cyanobacteria can fix atmospheric nitrogen in specialized cells known as:

#29. Which of the following statements is true about bacteria?

#30. The structure that forms the fruiting body of mushrooms is called:

#31. Which of the following is true about the kingdom Monera?

#32. Paramecium :

#33. Which of the following statements is correct about the kingdom Animalia?

#34. Which of the following groups of organisms are known for their ability to produce antibiotics?

#35. Which of the following viruses is typically composed of a double-stranded DNA genome?

#36. Which of the following is a unique feature of marine forms of amoeboid protozoans?

#37. Assertion: The existence of prions challenges the traditional understanding of infectious agents. Reason: Prions, unlike viruses, do not contain nucleic acids but cause diseases by altering the conformation of normal proteins.

#38. Which of the following is a unique feature of bacteria?

#39. The term ‘Prokaryotae’ was coined by Whittaker for which kingdom?

#40. Which of the following eukaryotes is extensively utilized in experimental genetics?

#41. Which of the following best describes the nutrition of Eubacteria?

#42. Which of the following is not a characteristic of fungi?

#43. Which of the following protists exhibits a saprophytic lifestyle, moving along decaying matter and forming a plasmodium?

#44. Fungi develop fruiting bodies in which ______ division occurs, resulting in the formation of ______ spores.

#45. What is the main characteristic of organisms in the kingdom Animalia?

#46. Aristotle was one of the first to attempt a scientific classification of living organisms. How did he classify plants and animals?

#47. Assertion (A): Slime moulds form a structure called plasmodium under favorable conditions. Reason (R): Plasmodium in slime moulds serves to engulf organic material and can grow to cover a large surface area.

#48. Which of the following is not a characteristic of the kingdom Monera?

#49. Which of the following is NOT a characteristic of prions?

#50. What is the haploid sexual spore produced exogenously?

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#5. ) Fill in the blanks: Fungi are (1) organisms and their cell walls are made up of (2).

#44. Fungi develop fruiting bodies in which division occurs, resulting in the formation of spores.