Biological Classification (11Th Neet)

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

Euglenoids

Dinoflagellates

Slime moulds

Sporozoans

#2. .) 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).

#3. 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.

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

Cellulose

Chitin

Lignin

Glycogen

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

Bacteriophage

Free infectious RNA

Free infectious DNA

Infectious protein

#6. 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.

#7. 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

#8. 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.

#9. 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.

#10. 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

#11. 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.

#12. 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.

#13. 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

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

Slime molds."

"Euglenoids."

"Dinoflagellates."

"Chrysophytes."

#15. 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).

#16. 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.

#17. Which of the following bacteria is responsible for causing cholera?

Streptococcus pneumoniae

Vibrio cholerae

Escherichia coli

Salmonella typhi

#18. Which of the following bacteria is responsible for nitrogen fixation in the roots of leguminous plants?

Streptococcus

Rhizobium

Methanogens

Cyanobacteria

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

"Zygomycetes"

"Chytridiomycetes"

"Ascomycetes"

"Basidiomycetes"

#20. Which of the following characteristics is NOT associated with organisms in the Kingdom Animalia?

They are multicellular and lack cell walls.

They digest food in an external cavity.

They store food reserves as glycogen or fat.

Most of them are capable of locomotion

#21. Which of the following is the primary reason why viruses are not classified as living organisms in Whittaker’s five-kingdom classification?

They do not exhibit any form of sexual reproduction.

They lack the cellular structure required for classification as living organisms.

They do not contain any genetic material.

They do not require a host for replication.

#22. In which of the following environments can halophilic Archaebacteria be found?

Deep oceanic trenches

High-altitude mountain ranges

Salt lakes or salt flats

Acidic hot springs

#23. 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.

#24. Assertion (A): Penicillium belongs to the Ascomycetes class and produces antibiotics. Reason (R): Ascomycetes are known for their fruiting body ascospores.dies and reproduction

Both Assertion and Reason are true, and Reason is the correct explanation of Assertion.

Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion.

Assertion is true, but Reason is false.

Both Assertion and Reason are false.

#25. In the life cycle of plants, the term

The presence of multicellular haploid and diploid stages that alternate in the plant life cycle.

The exclusive occurrence of either a haploid or a diploid phase in all plant groups.

The process by which plants develop vascular tissue to support alternation of life forms.

life cycle in which both sporophytic and gametophytic phases are dependent on each other.

#26. 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

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

Mycelium

Hyphae

Basidiocarp

Spores

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

Animalia

Protista

Fungi

Plantae

#29. The soap-box-like cell wall is characteristic of:

"Archaebacteria."

"Diatoms."

"Dinoflagellates."

"Euglenoids."

#30. Which characteristic defines members of the kingdom Plantae?

Autotrophic, multicellular, with a cell wall made of chitin.

Autotrophic, multicellular, with a cell wall made of cellulose.

Heterotrophic, multicellular, with a cell wall made of chitin.

Heterotrophic, multicellular, with a cell wall made of cellulose.

#31. 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

#32. 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.

#33. 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.

#34. 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

#35. Which of the following kingdoms contains organisms that are primarily heterotrophic and multicellular?

Plantae

Animalia

Monera

Fungi

#36. 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.

#37. 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

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

Mycelium

Hyphae

Basidiocarp

Spores

#39. 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.

#40. Which of the following statements is correct regarding viroids?

Viroids are larger than viruses and contain both RNA and DNA.

Viroids are composed of a free RNA strand and lack a protein coat.

Viroids can replicate on their own without a host cell

Viroids cause diseases only in humans.

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

Unicellular

Prokaryotic

Heterotrophic or autotrophic

Multicellular organisms with specialized organs

#42. 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.

#43. ) 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

#44. 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"

#45. _______ 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

#46. The black rust of wheat is caused by which fungal disease?

"Albugo candida"

"Puccinia"

"Ustilago"

"Claviceps"

#47. Which of the following is an example of a eukaryotic organism from the kingdom Protista?

Bacteria

Mushrooms

Paramecium

Blue-green algae

#48. The protozoan Trypanosoma is responsible for which of the following diseases?

"Malaria"

"Sleeping sickness"

"Amoebiasis"

"Giardiasis"

#49. 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.

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

mitotic, diploid

reduction, haploid

mitotic, haploid

reduction, diploid

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

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

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

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

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

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

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

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

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

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

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

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

#15. 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.

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

#17. Which of the following bacteria is responsible for causing cholera?

#18. Which of the following bacteria is responsible for nitrogen fixation in the roots of leguminous plants?

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

#20. Which of the following characteristics is NOT associated with organisms in the Kingdom Animalia?

#21. Which of the following is the primary reason why viruses are not classified as living organisms in Whittaker’s five-kingdom classification?

#22. In which of the following environments can halophilic Archaebacteria be found?

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

#24. Assertion (A): Penicillium belongs to the Ascomycetes class and produces antibiotics. Reason (R): Ascomycetes are known for their fruiting body ascospores.dies and reproduction

#25. In the life cycle of plants, the term

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

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

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

#29. The soap-box-like cell wall is characteristic of:

#30. Which characteristic defines members of the kingdom Plantae?

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

#32. Identify the correct statement.

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

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

#35. Which of the following kingdoms contains organisms that are primarily heterotrophic and multicellular?

#36. Which of the following statements is accurate?

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

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

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

#40. Which of the following statements is correct regarding viroids?

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

#42. 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.

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

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

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

#46. The black rust of wheat is caused by which fungal disease?

#47. Which of the following is an example of a eukaryotic organism from the kingdom Protista?

#48. The protozoan Trypanosoma is responsible for which of the following diseases?

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

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

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

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

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