Question:
The major groups of multicellular eukaryotes - plants, fungi and animals - each evolved from a different group of the eukaryotes generally referred to as protists.
A. Most protists are unicellular.
B. Chloroplast containing protists gave rise to plants.
C. Multicellularity evolved in several protists lineages.
D. Archaea are also protists
Choose the correct answer describing Protists from the options given below: [Question ID = 652][Question Description = 152_34_PLB_AUG22_Q52]
The major groups of multicellular eukaryotes - plants, fungi and animals - each evolved from a different group of the eukaryotes generally referred to as protists.
A. Most protists are unicellular.
B. Chloroplast containing protists gave rise to plants.
C. Multicellularity evolved in several protists lineages.
D. Archaea are also protists
Choose the correct answer describing Protists from the options given below: [Question ID = 652][Question Description = 152_34_PLB_AUG22_Q52]
A. Most protists are unicellular.
B. Chloroplast containing protists gave rise to plants.
C. Multicellularity evolved in several protists lineages.
D. Archaea are also protists
Choose the correct answer describing Protists from the options given below: [Question ID = 652][Question Description = 152_34_PLB_AUG22_Q52]
Show Hint
Protists are "Eukaryotes that aren't plants, animals, or fungi." Archaea are Prokaryotes. Don't confuse the Kingdom Protista with the Domain Archaea.
Updated On: Aug 7, 2026
- A and B only [Option ID = 2605]
- B and C only [Option ID = 2606]
- A and C only [Option ID = 2607]
- A, B and C only [Option ID = 2608]
Show Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept:
Protists are a diverse, paraphyletic group of eukaryotic organisms that do not fit into the kingdoms Plantae, Fungi, or Animalia. They represent the basal lineages of Eukaryota.
Step 2: Detailed Explanation:
- Statement A: This is correct. The vast majority of protist species (e.g., Amoeba, Paramecium) are single-celled organisms, although a few (like large kelp) are multicellular.
- Statement B: This is correct. Plants evolved from a specific lineage of photosynthetic protists called Green Algae (specifically within the Archaeplastida).
- Statement C: This is correct. Multicellularity is not a unique trait of any single kingdom; it evolved independently multiple times in different protist lineages leading to animals (from choanoflagellates), fungi (from opisthokont protists), and plants (from algae).
- Statement D: This is incorrect. Archaea are a domain of Prokaryotes, similar to bacteria but with distinct biochemistry. They lack a nucleus and membrane-bound organelles, which are the defining features of eukaryotes (and thus protists).
Since A, B, and C are true biological facts regarding protists, and D is false, option 4 is the correct choice.
Step 3: Final Answer:
Statements A, B, and C accurately describe the nature and evolutionary role of protists. Option 4 is correct.
Protists are a diverse, paraphyletic group of eukaryotic organisms that do not fit into the kingdoms Plantae, Fungi, or Animalia. They represent the basal lineages of Eukaryota.
Step 2: Detailed Explanation:
- Statement A: This is correct. The vast majority of protist species (e.g., Amoeba, Paramecium) are single-celled organisms, although a few (like large kelp) are multicellular.
- Statement B: This is correct. Plants evolved from a specific lineage of photosynthetic protists called Green Algae (specifically within the Archaeplastida).
- Statement C: This is correct. Multicellularity is not a unique trait of any single kingdom; it evolved independently multiple times in different protist lineages leading to animals (from choanoflagellates), fungi (from opisthokont protists), and plants (from algae).
- Statement D: This is incorrect. Archaea are a domain of Prokaryotes, similar to bacteria but with distinct biochemistry. They lack a nucleus and membrane-bound organelles, which are the defining features of eukaryotes (and thus protists).
Since A, B, and C are true biological facts regarding protists, and D is false, option 4 is the correct choice.
Step 3: Final Answer:
Statements A, B, and C accurately describe the nature and evolutionary role of protists. Option 4 is correct.
Was this answer helpful?
0
0
Top ICAR AIEEA Plant Biotechnology Questions
- Which of the following molecules can be classified under glycosphingolipid category?
- The bicarbonate buffer is a principal buffering system in blood plasma. The ratio of the bicarbonate to carbonic acid required to maintain pH of plasma at 7.4 is:
- Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A): The disruption of $\beta$-oxidation of fatty acids in plants can potentially reduce stress-induced ROS accumulation and improve its stress tolerance.
Reason (R): In plants, $\beta$-oxidation of fatty acids takes place predominantly in peroxisomes, where first enzyme of $\beta$-oxidation viz. fatty acyl CoA oxidase produces large amounts of hydrogen peroxide.
In light of the above statements, choose the correct answer from the options given below. - The serum level of which of the following metabolites can effectively distinguish "Vitamin B12 deficiency" from "Folate deficiency" ?
- Match List-I with List-II
List-I (Name of the Enzyme) & List-II (Class of the enzyme)
(A). Pyruvate carboxylase & (I). Oxidoreductase
(B). Fumarase & (II). Hydrolase
(C). Phospholipase & (III). Lyase
(D). Nitrogenase & (IV). Ligase
Choose the correct answer from the options given below:
View More Questions
Top ICAR AIEEA Microbiology Questions
- Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).
Assertion (A): Peptidoglycan-containing bacterial cell wall is resistant to hydrolytic action of many proteases.
Reason (R): The presence of D-amino amino acids in the peptidoglycan structure of bacterial cell wall makes it resistant to most proteases.
In light of the above statements, choose the correct answer from the options given below. - The DNA of the microorganisms living under conditions of extreme temperature is predominantly:
- Which of the following method of recombination in bacteria is DNase sensitive
- Prions are
- Which of the following is a symbiotic nitrogen fixer?
View More Questions
Top ICAR AIEEA Questions
- Which of the following statements is false?
- Which of the following is an example of an inventory?
- According to Adam Smith, productivity gains could be brought about through .
- The supply curve for an artificially scarce good is .
- Which of the following would not be considered an opportunity cost of paid employment?
View More Questions