Biological Classification (11Th Neet)

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#1. 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.

#2. 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.

#3. Coprophilous fungi grow on:

"Bark of trees"

"Animal dung"

"Dead organic matter"

"Soil"

#4. 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

#5. Which of the following is NOT a characteristic of dinoflagellates?

They cause red tides.

Their cell wall is made of stiff cellulose plates.

They produce toxins.

They are predominantly found in fresh water and are non-photosynthetic.

#6. 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.

#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. 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 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

#10. 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

#11. 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.

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

Chrysophytes

Dinoflagellates

Euglenoids

Slime molds

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

Fungi

Protozoa

Archaebacteria

Eubacteria

#14. Which of the following is an example of a parasitic plant?

Cuscuta

Venus flytrap

Oak

Pea

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

Bacteriophage

Free infectious RNA

Free infectious DNA

Infectious protein

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

Septate hyphae

Coenocytic hyphae

Mycelium

None of these

#17. 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.

#18. 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.

#19. 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.

#20. Identify the odd pair among the following.

"Phycomycetes - Aquatic fungi"

"Basidiomycetes - Sac fungi"

"Ascomycetes - Penicillium"

"Basidiomycetes - Puff balls"

#21. 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.

#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. 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.

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

Streptococcus pneumoniae

Vibrio cholerae

Escherichia coli

Salmonella typhi

#25. 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"

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

Animalia

Monera

Fungi

Plantae

#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. 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

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

Class

Phylum

Kingdom

Domain

#30. 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.

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

Cellulose

Chitin

Lignin

Glycogen

#32. 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.

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

Autotrophic and saprophytic.

Autotrophic and parasitic.

Heterotrophic only.

Autotrophic only.

#34. 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.

#35. Which of the following statements is/are incorrect? (a) Fungi are distributed cosmopolitanly. (b) Bread mould, toadstool, yeast, and Puccinia are all fungi. (c) Most fungi are unicellular and eukaryotic. (d) Most fungi are saprophytic, but some are autotrophic and parasitic. (e) Lichens represent a symbiotic relationship between fungi and higher green plants.

(a), (b), (c)

(c), (e)

(b), (d)

(c), (d), (e)

#36. 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.

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

Viroid - RNA

Chief producer in ocean - Diatoms

itin plates - Dinoflagellates

Gonyaulax - Red sea

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

Unicellular

Prokaryotic

Heterotrophic or autotrophic

Multicellular organisms with specialized organs

#39. 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.

#40. The reproductive structures that produce ascospores are known as:

Basidia

Asci

Spores

Setae

#41. 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.

#42. Phycomycetes display which of the following characteristics?

"Motile zoospores"

"Cellulose in cell walls"

"Asexual spores are produced endogenously"

"All of the above"

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

"Albugo candida"

"Puccinia"

"Ustilago"

"Claviceps"

#44. 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

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

Presence of a nuclear membrane

Adaptation to extreme environments

Presence of chloroplasts

Multicellularity

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

Streptococcus

Rhizobium

Methanogens

Cyanobacteria

#47. Which of the following organisms is known for its symbiotic relationship with algae?

Yeast

Lichens

Molds

Mushrooms

#48. .) 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).

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

Euglenoids

Dinoflagellates

Slime moulds

Sporozoans

#50. 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.

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): 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.

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

#3. Coprophilous fungi grow on:

#5. Which of the following is NOT a characteristic of dinoflagellates?

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

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

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

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

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

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

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

#14. Which of the following is an example of a parasitic plant?

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

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

#17. Which of the following statements is accurate?

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

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

#20. Identify the odd pair among the following.

#21. 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.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

#40. The reproductive structures that produce ascospores are known as:

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

#42. Phycomycetes display which of the following characteristics?

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

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

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

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

#47. Which of the following organisms is known for its symbiotic relationship with algae?

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

#50. Which statement is incorrect?**

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

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