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

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Results

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

You should prepare this chapter better.!!!

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

Fungi

Protozoa

Archaebacteria

Eubacteria

#2. Assertion (A): Diatoms are considered the chief producers in the oceans. Reason (R): Diatoms have silica-embedded cell walls that are indestructible and accumulate over time.

Both A and R are true and R is correct explanation of 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.

#3. Which of the following statements regarding Protista is false?

"Boundaries are not defined"

"Primarily aquatic"

"Lack sexual reproduction"

"Have membrane-bound organelles"

#4. Which group of organisms is characterized by having a single-celled body structure and is known for its ability to cause malaria?

Protozoa

Bacteria

Fungi

Viruses

#5. Lichens, which are composite organisms formed from a fungus and a photosynthetic alga, have which of the following incorrect statements?

They are sensitive to air pollution since they cannot excrete toxins.

The algal partner (phycobiont) and fungal partner (mycobiont) have a mutual relationship.

Algae produce food for fungi, while fungi provide shelter and absorb water and minerals for

None of these statements are incorrect.

#6. Dinoflagellates possess:

A single flagellum in the transverse groove between cell plates.

A single flagellum in the longitudinal groove between cell plates.

Two flagella, one lying longitudinally and the other transversely in a furrow between the wall plates.

No flagella.

#7. What is the main distinction between Archaebacteria and Eubacteria?

Archaebacteria are more complex than Eubacteria.

Archaebacteria have a different type of cell wall and live in extreme environments.

Eubacteria have a different type of cell wall and live in extreme environments.

Archaebacteria are larger than Eubacteria.

#8. What is the mode of nutrition in kingdom Animalia?

Autotrophic

Heterotrophic

Saprotrophic

Photoautotrophic

#9. .) Identify the correct statements regarding Mycoplasma: (a) Mycoplasma lacks a cell wall. (b) It is the smallest living organism. (c) Mycoplasma cannot survive without oxygen. (d) Mycoplasma can cause diseases in animals and plants. (e) True sexual reproduction is absent in bacteria. (f) A primitive form of DNA transfer occurs between bacteria.

All except (c).

All of these.

Only (c).

Only (a), (c), and (f).

#10. Which of the following is a characteristic feature of fungi?

Presence of chlorophyll

Cell walls containing cellulose

Absence of cell wall

Cell walls containing chitin

#11. Which of the following statements about the structure of viruses is false?

Viruses contain a protein coat made of capsomeres that protects the nucleic acid.

Viruses contain either DNA or RNA, but not both.

The nucleic acid of viruses is incapable of causing infections.

The capsid of viruses can be arranged in helical or polyhedral forms.

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

Protozoans

Viruses

Lichens

Both (2) and (3)

#13. 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.

#14. Which of the following best describes the mode of reproduction of viruses?

Viruses reproduce through binary fission.

Viruses can replicate only inside their host cells by taking over the host's cellular machinery.

Viruses reproduce asexually by budding.

Viruses can undergo sexual reproduction.

#15. In the classification system which kingdom includes only multicellular eukaryotic autotrophic organisms?

Animalia

Protista

Fungi

Plantae

#16. Which kingdom includes organisms that are unicellular, prokaryotic, and do not have a membrane-bound nucleus?

Plantae

Animalia

Protista

Monera

#17. ___________ are saprophytic protists whose bodies move along decaying twigs and leaves, engulfing organic material.

Slime molds."

"Euglenoids."

"Dinoflagellates."

"Chrysophytes."

#18. The unicellular eukaryotic organisms that can cause diseases like malaria and amoebic dysentery belong to:

Plantae

Protista

Fungi

Animalia

#19. Which of the following is a key characteristic of Archaebacteria?

Presence of a nuclear membrane

Adaptation to extreme environments

Presence of chloroplasts

Multicellularity

#20. Which of the following statements about the Kingdom Plantae is correct?

All members of the Kingdom Plantae are exclusively autotrophic.

The cell walls of plants are composed primarily of pectin.

Bladderwort and Venus flytrap are examples of partially heterotrophic plants.

All plants have a free-living diploid phase and a dependent haploid phase.

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

Potato spindle tuber disease

Mad cow disease (bovine spongiform encephalopathy)

Mumps

Smallpox

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

Unicellular

Prokaryotic

Heterotrophic or autotrophic

Multicellular organisms with specialized organs

#23. In the five-kingdom classification proposed by Whittaker, eukaryotic organisms are included in which kingdoms?

All five kingdoms.

Four of the five kingdoms.

Three of the five kingdoms.

Only two of the five kingdoms.

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

Bacteriophage

Free infectious RNA

Free infectious DNA

Infectious protein

#25. Which of the following is true for fungi?

Fungi are autotrophic.

Fungi are unicellular organisms.

Fungi have chlorophyll.

Fungi are heterotrophic and can be saprophytic, parasitic or symbiotic.

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

Heterotrophic nutrition

Eukaryotic cell structure

Cell wall made of chitin

Multicellular with chloroplasts

#27. 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

#28. 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.

#29. Coprophilous fungi grow on:

"Bark of trees"

"Animal dung"

"Dead organic matter"

"Soil"

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

Akinetes

Heterocysts

Homocysts

Nodules

#31. 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.

#32. 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.

#33. What is the mode of nutrition in fungi?

Autotrophic

Heterotrophic

Saprophytic

Both (2) and (3)

#34. 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.

#35. Which of the following organisms are known to have a symbiotic relationship with fungi?

Lichens

Mushrooms

Yeast

Protozoa

#36. Assertion (A): Protists contain a well-defined nucleus and membrane-bound organelles. Reason (R): Protists are prokaryotic organisms with no cellular differentiation.

A is true, but R is false.

Both A and R are false.

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

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

#37. Assertion (A): Diatomaceous earth is a valuable resource for various industrial applications, including filtration and polishing. Reason (R): Diatomaceous earth is composed of accumulated cell walls of dinoflagellates, rich in cellulose.

A is true, but R is false.

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

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

Both A and R are false.

#38. Identify the correct pairing related to Whittaker’s system of classification:

Monera: Unicellular and multicellular, producers, and decomposers with a true cellulosic wall.

Protista: Unicellular, eukaryotic organisms that can be photoautotrophic or chemo-autotrophic.

Plantae: Eukaryotic, multicellular/loose tissue with a chitinous cell wall

Animalia: Eukaryotic, multicellular with organ systems, holozoic nutrition, lacking saprobic and autotrophic modes.

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

Monera

Plantae

Animalia

Fungi

#40. Deuteromycetes are termed imperfect fungi because:

"Only the sexual phase is known."

"Only asexual or vegetative phases are recognized."

"Both asexual and sexual phases are known."

"Reproduction in these fungi is absent."

#41. Which of the following bacteria are most abundant in nature and play a vital role in decomposing dead organic material?

Cyanobacteria

Methanogens

Heterotrophic bacteria

Thermoacidophiles

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

Cellulose

Chitin

Lignin

Glycogen

#43. Which of the following is correctly matched?

"Agaricus - Smut"

"Ustilago - Mushroom"

"Puccinia - Insectivorous plant"

"Deuteromycetes - Imperfect fungi"

#44. ) 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

#45. Which structure of slime molds has a cell wall?

Mycelium

Plasmodium

Spore

Fruiting body

#46. Which of the following is a correct characteristic of members of the kingdom Protista?

Unicellular and eukaryotic.

Multicellular and prokaryotic.

Unicellular and prokaryotic.

Multicellular and eukaryotic.

#47. Assertion (A): Red tides are caused by rapid multiplication of red-colored euglenoids. Reason (R): Certain dinoflagellates, such as Gonyaulax, undergo rapid reproduction and release toxins.

A is false, but R is true.

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

A is true, but R is false.

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

#48. Assertion: The protein coat (capsid) of a virus is responsible for protecting its genetic material and determining the host specificity. Reason: The capsid is composed of proteins called capsomeres that are arranged in helical or polyhedral forms, allowing the virus to infect specific host cells.

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 capsid does indeed protect the viral genome and determines the virus’s ability to infect specific host cells. The capsomeres’ arrangement aids in the virus’s structural integrity and specificity.

#49. Select the correct statement(s) regarding Euglenoids: Statement I: Euglenoids have a cell wall made of cellulose. Statement II: Euglenoids can switch to a heterotrophic mode of nutrition in the absence of sunlight.

Only Statement II is correct.

Only Statement I is correct

Both Statements I and II are correct

Neither Statement I nor II is correct

#50. Which of the following statements are correct regarding the morphology and reproduction of fungi? 1.Fungi are unicellular, with the exception of yeasts. 2.The mycelium of fungi consists of thread-like structures called hyphae. 3.Fungi reproduce sexually through the formation of conidia and asexual reproduction through basidiospores. 4.The process of plasmogamy involves the fusion of two nuclei in fungi.

1 and 2

2 and 3

1, 2, and 3

2 and 4

Finish

Results

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

#2. Assertion (A): Diatoms are considered the chief producers in the oceans. Reason (R): Diatoms have silica-embedded cell walls that are indestructible and accumulate over time.

#3. Which of the following statements regarding Protista is false?

#4. Which group of organisms is characterized by having a single-celled body structure and is known for its ability to cause malaria?

#5. Lichens, which are composite organisms formed from a fungus and a photosynthetic alga, have which of the following incorrect statements?

#6. Dinoflagellates possess:

#7. What is the main distinction between Archaebacteria and Eubacteria?

#8. What is the mode of nutrition in kingdom Animalia?

#10. Which of the following is a characteristic feature of fungi?

#11. Which of the following statements about the structure of viruses is false?

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

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

#14. Which of the following best describes the mode of reproduction of viruses?

#15. In the classification system which kingdom includes only multicellular eukaryotic autotrophic organisms?

#16. Which kingdom includes organisms that are unicellular, prokaryotic, and do not have a membrane-bound nucleus?

#17. ___________ are saprophytic protists whose bodies move along decaying twigs and leaves, engulfing organic material.

#18. The unicellular eukaryotic organisms that can cause diseases like malaria and amoebic dysentery belong to:

#19. Which of the following is a key characteristic of Archaebacteria?

#20. Which of the following statements about the Kingdom Plantae is correct?

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

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

#23. In the five-kingdom classification proposed by Whittaker, eukaryotic organisms are included in which kingdoms?

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

#25. Which of the following is true for fungi?

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

#27. 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

#28. Identify the correct statement.

#29. Coprophilous fungi grow on:

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

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

#32. 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.

#33. What is the mode of nutrition in fungi?

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

#35. Which of the following organisms are known to have a symbiotic relationship with fungi?

#36. Assertion (A): Protists contain a well-defined nucleus and membrane-bound organelles. Reason (R): Protists are prokaryotic organisms with no cellular differentiation.

#37. Assertion (A): Diatomaceous earth is a valuable resource for various industrial applications, including filtration and polishing. Reason (R): Diatomaceous earth is composed of accumulated cell walls of dinoflagellates, rich in cellulose.

#38. Identify the correct pairing related to Whittaker’s system of classification:

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

#40. Deuteromycetes are termed imperfect fungi because:

#41. Which of the following bacteria are most abundant in nature and play a vital role in decomposing dead organic material?

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

#43. Which of the following is correctly matched?

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

#45. Which structure of slime molds has a cell wall?

#46. Which of the following is a correct characteristic of members of the kingdom Protista?

#47. Assertion (A): Red tides are caused by rapid multiplication of red-colored euglenoids. Reason (R): Certain dinoflagellates, such as Gonyaulax, undergo rapid reproduction and release toxins.

#49. Select the correct statement(s) regarding Euglenoids: Statement I: Euglenoids have a cell wall made of cellulose. Statement II: Euglenoids can switch to a heterotrophic mode of nutrition in the absence of sunlight.

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