📚 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. What is the mode of nutrition in kingdom Animalia?

Autotrophic

Heterotrophic

Saprotrophic

Photoautotrophic

#2. Viroids differ from viruses in that they are:**

Naked DNA molecules

Naked RNA molecules

Proteinaceous particles

None of these

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

#4. From the following diseases, identify how many are caused by bacteria: Mumps, Smallpox, Citrus canker, Cholera, Typhoid, Tetanus, Sleeping sickness, Malaria

#5. 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.

#6. The two-kingdom classification system does not differentiate between which of the following categories?

Eukaryotes and prokaryotes.

Unicellular and multicellular organisms.

Photosynthetic (e.g., green algae) and non-photosynthetic (e.g., fungi) organisms.

All of the above.

#7. Which of the following protists are known for their photosynthetic ability and have pigments similar to higher plants?

Euglenoids

Slime moulds

Amoeboid protozoans

Flagellated protozoans

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

Monera

Plantae

Protista

Fungi

#9. Which of the following is true for protozoa?

They are multicellular

They have a true nucleus

They can perform photosynthesis

They lack flagella

#10. In fungi, when there are two haploid nuclei per cell before forming a diploid, this stage is referred to as:

Diplotene

Diplo-phase

Dikaryon phase

Dikaryote

#11. ) 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

#12. _______ are protists that have two flagella arranged in a unique way: one longitudinally and the other transversely in a groove.

Euglenoids

Dinoflagellates

Chrysophytes

Slime moulds

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

Plantae

Animalia

Protista

Monera

#14. 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.

#15. 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.

#16. 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.

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

"Ascospore"

"Basidiospore"

"Oospore"

"Zygospore"

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

Slime molds."

"Euglenoids."

"Dinoflagellates."

"Chrysophytes."

#19. Which of the following groups of protists are responsible for a significant portion of photosynthesis in marine environments?

Euglenoids

Dinoflagellates

Slime moulds

Sporozoans

#20. Which of the following is the correct sequence of events in the sexual reproduction of fungi?

"Plasmogamy → Karyogamy → Meiosis"

"Karyogamy → Meiosis → Plasmogamy"

"Meiosis → Plasmogamy → Karyogamy"

"Plasmogamy → Meiosis → Karyogamy"

#21. 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

#22. 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."

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

Fungi

Protozoa

Archaebacteria

Eubacteria

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

"Boundaries are not defined"

"Primarily aquatic"

"Lack sexual reproduction"

"Have membrane-bound organelles"

#25. 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.

#26. 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.

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

Chrysophytes

Euglenoids

Slime moulds

Ciliated protozoans

#29. Which of the following is the primary distinguishing feature of organisms in the kingdom Monera?

Presence of a true nucleus

Presence of a cell wall made of cellulose

Absence of a true nucleus

Presence of chloroplasts

#30. Which of the following statements about the Kingdom Monera is correct?

All Monera are multicellular.

Monera are prokaryotic

unicellular organisms.

Monera are mostly heterotrophic.

Monera do not have cell walls.

#31. 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.

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

Presence of a nuclear membrane

Adaptation to extreme environments

Presence of chloroplasts

Multicellularity

#33. 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.

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

Mycelium

Plasmodium

Spore

Fruiting body

#35. 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

#36. 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

#37. 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

#38. 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

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

Mycelium

Hyphae

Basidiocarp

Spores

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

Plants are unicellular organisms.

All plants are autotrophic.

Plants have a cell wall made of cellulose.

Both (2) and (3)

#41. Which of the following disorders is caused by protozoan infections?

Cholera, Tetanus, Tuberculosis

Malaria, Amoebiasis, Sleeping sickness

Measles, Smallpox, Influenza

Typhoid, Dengue, Rabies

Rabies”

#42. 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"

#43. 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.

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

mitotic, diploid

reduction, haploid

mitotic, haploid

reduction, diploid

#45. 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).

#46. 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.

#47. Which characteristic is unique to amoeboid protozoans?

Presence of a pellicle

Photosynthetic pigments

Movement using pseudopodia

Flagella arranged transversely and longitudinally

#48. In the five-kingdom classification system which kingdom includes multicellular photosynthetic organisms?

Animalia

Monera

Fungi

Plantae

#49. 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

#50. 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.

Finish

Results

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

#2. Viroids differ from viruses in that they are:**

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

#4. From the following diseases, identify how many are caused by bacteria: Mumps, Smallpox, Citrus canker, Cholera, Typhoid, Tetanus, Sleeping sickness, Malaria

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

#6. The two-kingdom classification system does not differentiate between which of the following categories?

#7. Which of the following protists are known for their photosynthetic ability and have pigments similar to higher plants?

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

#9. Which of the following is true for protozoa?

#10. In fungi, when there are two haploid nuclei per cell before forming a diploid, this stage is referred to as:

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

#12. _______ are protists that have two flagella arranged in a unique way: one longitudinally and the other transversely in a groove.

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

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

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

#16. 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.

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

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

#19. Which of the following groups of protists are responsible for a significant portion of photosynthesis in marine environments?

#20. Which of the following is the correct sequence of events in the sexual reproduction of fungi?

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

#22. Deuteromycetes are termed imperfect fungi because:

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

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

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

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

#27. Which is not a feature of viruses?

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

#29. Which of the following is the primary distinguishing feature of organisms in the kingdom Monera?

#30. Which of the following statements about the Kingdom Monera is correct?

#31. 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.

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

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

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

#35. 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.

#36. 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

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

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

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

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

#41. Which of the following disorders is caused by protozoan infections?

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

#43. 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.

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

#45. 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.

#46. 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.

#47. Which characteristic is unique to amoeboid protozoans?

#48. In the five-kingdom classification system which kingdom includes multicellular photosynthetic organisms?

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

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#11. ) 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.