Biological Classification (11Th Neet)

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#1. 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.

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

mitotic, diploid

reduction, haploid

mitotic, haploid

reduction, diploid

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

Potato spindle tuber disease

Mad cow disease (bovine spongiform encephalopathy)

Mumps

Smallpox

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

Monera

Plantae

Protista

Fungi

#5. 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.

#6. The sole members of the kingdom Monera are __________.

Algae

Bacteria

Fungi

Protozoa

#7. 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.

#8. The pathogen responsible for white rust on mustard belongs to which group?

"Ascomycetes"

"Basidiomycetes"

"Phycomycetes"

"Deuteromycetes"

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

#10. 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

#11. Phycomycetes display which of the following characteristics?

"Motile zoospores"

"Cellulose in cell walls"

"Asexual spores are produced endogenously"

"All of the above"

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

Animalia

Monera

Fungi

Plantae

#13. Which of the following statements about the disadvantages of the two-kingdom classification system is false?

The two-kingdom system does not differentiate between prokaryotic and eukaryotic organisms.

It fails to separate photosynthetic and non-photosynthetic organisms within the plant kingdom.

It groups unicellular and multicellular organisms into the same category.

It clearly distinguishes between autotrophic and heterotrophic organisms.

#14. 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

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

Mycelium

Hyphae

Basidiocarp

Spores

#16. Which statement is incorrect?**

Isogametes are similar in structure, function, and behavior.

Anisogametes vary in structure, function, or behavior.

In Oomycetes, the female gamete is smaller and motile, while the male gamete is larger and non-motile.

Chlamydomonas exhibits both isogamy and anisogamy, whereas Fucus shows oogamy.

#17. Which group of fungi primarily reproduces asexually by means of conidia?

"Zygomycetes"

"Chytridiomycetes"

"Ascomycetes"

"Basidiomycetes"

#18. 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.

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

"E. coli"

"Alternaria"

"Ustilago"

"Neurospora"

#20. ) 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

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

Autotrophic

Heterotrophic

Saprophytic

Both (2) and (3)

#22. 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

#23. Which of the following statements about methanogens is incorrect?

Methane serves as their preferred carbon source.

They are present in the intestines of various ruminants and produce biogas from their dung.

They belong to the archaebacteria group.

They are typically found in marshy habitats.

#24. In the Linnaean classification system, what is the highest rank of classification?

Class

Phylum

Kingdom

Domain

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

Akinetes

Heterocysts

Homocysts

Nodules

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

Plantae

Protista

Fungi

Animalia

#27. Which characteristic is unique to amoeboid protozoans?

Presence of a pellicle

Photosynthetic pigments

Movement using pseudopodia

Flagella arranged transversely and longitudinally

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

Presence of a nuclear membrane

Adaptation to extreme environments

Presence of chloroplasts

Multicellularity

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

Animalia

Protista

Fungi

Plantae

#30. The term prokaryote :

Lack a true nucleus

Contain chlorophyll

Are multicellular

Have a well-defined nuclear membrane

#31. 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.

#32. Which of the following groups of protists are known for leaving behind ‘diatomaceous earth’ as deposits due to their silica cell walls?

Euglenoids

Chrysophytes

Slime Moulds

Dinoflagellates

#33. 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.

#34. Which of the following is true for archaebacteria?

They are present in extreme environments like hot springs and deep-sea vents.

They have a cell wall made of cellulose.

They can only survive in anaerobic conditions.

They are classified as eukaryotes.

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

Fungi

Protozoa

Archaebacteria

Eubacteria

#36. 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.

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

Monera

Plantae

Animalia

Fungi

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

They are multicellular

They have a true nucleus

They can perform photosynthesis

They lack flagella

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

Septate hyphae

Coenocytic hyphae

Mycelium

None of these

#40. 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

#41. 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"

#42. Paramecium :

"A ciliated protozoan."

"Maintains water currents using cilia

"All of these."

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

#43. Which of the following organisms belongs to the kingdom Plantae?

Amoeba

Fungi

Moss

Bacterium

#44. Viral symptoms observed in plants can include:

Mosaic formation, leaf rolling, and leaf curling

Yellowing and vein clearing in leaves

Dwarfism and stunted growth

All of these

#45. 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.

#46. Which of the following pairs is incorrectly matched?

Viroid - RNA

Chief producer in ocean - Diatoms

itin plates - Dinoflagellates

Gonyaulax - Red sea

#47. 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.

#48. 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

#49. .) 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).

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

"Boundaries are not defined"

"Primarily aquatic"

"Lack sexual reproduction"

"Have membrane-bound organelles"

Finish

2 thoughts on “Biological Classification (11Th Neet)”

Rupesh chaudhari

November 10, 2024 at 11:08 am

Such a wonderful interface this website has! Nice and challenging questions. Keep posting such quizzes as it helps to improve the score.
YK47

November 11, 2024 at 3:23 pm

Very nice questions for revision.
This quiz is much helpful.
Absolutely worth for preparation
Kudos to Adesh Walke sir

Results

#1. 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.

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

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

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

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

#6. The sole members of the kingdom Monera are __________.

#7. 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.

#8. The pathogen responsible for white rust on mustard belongs to which group?

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

#10. 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.

#11. Phycomycetes display which of the following characteristics?

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

#13. Which of the following statements about the disadvantages of the two-kingdom classification system is false?

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

#16. Which statement is incorrect?**

#17. Which group of fungi primarily reproduces asexually by means of conidia?

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

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

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

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

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

#23. Which of the following statements about methanogens is incorrect?

#24. In the Linnaean classification system, what is the highest rank of classification?

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

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

#27. Which characteristic is unique to amoeboid protozoans?

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

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

#30. The term prokaryote :

#31. 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.

#32. Which of the following groups of protists are known for leaving behind ‘diatomaceous earth’ as deposits due to their silica cell walls?

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

#34. Which of the following is true for archaebacteria?

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

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

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

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

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

#40. 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.

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

#42. Paramecium :

#43. Which of the following organisms belongs to the kingdom Plantae?

#44. Viral symptoms observed in plants can include:

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

#46. Which of the following pairs is incorrectly matched?

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

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

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

2 thoughts on “Biological Classification (11Th Neet)”

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

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