Q1
Which of the following phyla exhibits a cellular level of organization?
Which of the following phyla exhibits a cellular level of organization?
(A)
Porifera
(B)
Coelenterata
(C)
Platyhelminthes
(D)
Annelida
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Complete Syllabus Question Paper
Grade 11 : Biology - Animal Kingdom (Set 1)— Questions & Detailed Solutions
Q2
Which animal group is characterized by a pseudocoelom?
Which animal group is characterized by a pseudocoelom?
(A)
Platyhelminthes
(B)
Aschelminthes
(C)
Annelida
(D)
Arthropoda
Q3
Radial symmetry is characteristically found in adult organisms of which phylum?
Radial symmetry is characteristically found in adult organisms of which phylum?
(A)
Porifera
(B)
Coelenterata
(C)
Platyhelminthes
(D)
Annelida
Q4
Specialized excretory structures known as flame cells (protonephridia) are found in:
Specialized excretory structures known as flame cells (protonephridia) are found in:
(A)
Sponges
(B)
Flatworms
(C)
Roundworms
(D)
Earthworms
Q5
Eight external rows of ciliated comb plates used for locomotion are characteristic of:
Eight external rows of ciliated comb plates used for locomotion are characteristic of:
(A)
Cnidaria
(B)
Ctenophora
(C)
Porifera
(D)
Platyhelminthes
Q6
True metameric segmentation is a primary characteristic of which phylum?
True metameric segmentation is a primary characteristic of which phylum?
(A)
Mollusca
(B)
Echinodermata
(C)
Annelida
(D)
Aschelminthes
Q7
A chitinous exoskeleton and jointed appendages are defining features of:
A chitinous exoskeleton and jointed appendages are defining features of:
(A)
Annelida
(B)
Arthropoda
(C)
Mollusca
(D)
Echinodermata
Q8
A file-like rasping organ called a radula used for feeding is present in:
A file-like rasping organ called a radula used for feeding is present in:
(A)
Arthropoda
(B)
Mollusca
(C)
Echinodermata
(D)
Hemichordata
Q9
A water vascular system essential for locomotion, food capture, and respiration is found in:
A water vascular system essential for locomotion, food capture, and respiration is found in:
(A)
Hemichordata
(B)
Mollusca
(C)
Echinodermata
(D)
Annelida
Q10
The notochord extends from head to tail region and persists throughout life in:
The notochord extends from head to tail region and persists throughout life in:
(A)
Urochordata
(B)
Cephalochordata
(C)
Vertebrata
(D)
Hemichordata
Q11
Which class of fishes is characterized by a cartilaginous endoskeleton and gill slits without an operculum?
Which class of fishes is characterized by a cartilaginous endoskeleton and gill slits without an operculum?
(A)
Osteichthyes
(B)
Chondrichthyes
(C)
Cyclostomata
(D)
Amphibia
Q12
The presence of an air bladder that regulates buoyancy is a distinct feature of:
The presence of an air bladder that regulates buoyancy is a distinct feature of:
(A)
Chondrichthyes
(B)
Osteichthyes
(C)
Cyclostomata
(D)
Reptilia
Q13
Which of the following is an egg-laying (oviparous) mammal?
Which of the following is an egg-laying (oviparous) mammal?
(A)
Macropus (Kangaroo)
(B)
Ornithorhynchus (Platypus)
(C)
Balaenoptera (Blue Whale)
(D)
Pteropus (Flying Fox)
Q14
Pneumatic (hollow) long bones and air sacs connected to lungs for respiration are adaptations of:
Pneumatic (hollow) long bones and air sacs connected to lungs for respiration are adaptations of:
(A)
Reptiles
(B)
Mammals
(C)
Birds (Aves)
(D)
Amphibians
Q15
A worm-like marine animal with body divided into proboscis, collar, and trunk belongs to:
A worm-like marine animal with body divided into proboscis, collar, and trunk belongs to:
(A)
Hemichordata
(B)
Echinodermata
(C)
Mollusca
(D)
Urochordata
Q16
Which phylum consists exclusively of triploblastic, acoelomate animals?
Which phylum consists exclusively of triploblastic, acoelomate animals?
(A)
Aschelminthes
(B)
Platyhelminthes
(C)
Annelida
(D)
Coelenterata
Q17
A water canal system lined with choanocytes (collar cells) is found in:
A water canal system lined with choanocytes (collar cells) is found in:
(A)
Porifera
(B)
Coelenterata
(C)
Ctenophora
(D)
Echinodermata
Q18
Statement I: All vertebrates are chordates.
Statement II: All chordates are vertebrates.Which of the following statements is correct?
Statement I: All vertebrates are chordates.
Statement II: All chordates are vertebrates.
Statement II: All chordates are vertebrates.
Which of the following statements is correct?
(A)
Both Statement I and Statement II are correct
(B)
Both Statement I and Statement II are incorrect
(C)
Statement I is correct but Statement II is incorrect
(D)
Statement I is incorrect but Statement II is correct
Q19
Organism Excretory/Respiratory Organ 1. Cockroach Malpighian tubules 2. Earthworm Nephridia 3. Flatworm Flame cells
Which option correctly matches the organisms with their functional organs?
| Organism | Excretory/Respiratory Organ |
|---|---|
| 1. Cockroach | Malpighian tubules |
| 2. Earthworm | Nephridia |
| 3. Flatworm | Flame cells |
Which option correctly matches the organisms with their functional organs?
(A)
1, 2, and 3 are all correctly matched
(B)
Only 1 and 2 are correctly matched
(C)
Only 2 and 3 are correctly matched
(D)
Only 1 and 3 are correctly matched
Q20
Which anatomical feature is shared by both Chondrichthyes and Osteichthyes?
Which anatomical feature is shared by both Chondrichthyes and Osteichthyes?
(A)
Operculum covering gill slits
(B)
Presence of swim bladder
(C)
Presence of a vertebral column
(D)
Terminal mouth location
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