Take 5 chapter-wise practice tests plus 1 full module test on Structural Organisation in Animals for NEET with +4/-1 scoring, answer review, and concise explanations.
Attempt 5 focused practice tests and 1 mixed module test for Structural Organisation in Animals using fresh NEET-style MCQs arranged chapter-wise for quick revision.
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1. The branch of biology that studies tissue organization is known as:
Explanation: Histology deals with the microscopic study of tissues.
2. The primary role of epithelial tissue is to:
Explanation: Epithelia form protective coverings and linings in the body.
3. Squamous epithelium is best suited for:
Explanation: Its thin cells allow rapid exchange across the surface.
4. Cuboidal epithelium commonly lines:
Explanation: Cuboidal epithelium is common in ducts and tubules involved in secretion or absorption.
5. Columnar epithelium is especially adapted for:
Explanation: Its taller cells often bear microvilli or goblet cells.
6. Cilia in epithelial tissue help mainly in:
Explanation: Cilia beat rhythmically to transport mucus or gametes.
7. Goblet cells are specialized for:
Explanation: Goblet cells are unicellular glands that release mucus.
8. Stratified epithelium is mainly important for:
Explanation: Multiple layers provide protection against abrasion.
9. The most abundant and widely distributed tissue in the body is:
Explanation: It fills spaces, supports organs, and binds tissues together.
10. Areolar tissue mainly functions as:
Explanation: Areolar tissue binds skin to muscles and fills spaces between organs.
11. Adipose tissue is rich in cells that store:
Explanation: Adipocytes store lipids and provide insulation and cushioning.
12. Tendons connect:
Explanation: Tendons are dense regular connective tissues rich in collagen fibres.
13. Ligaments mainly join:
Explanation: Ligaments stabilize joints and allow controlled movement.
14. Cartilage is a connective tissue with a matrix called:
Explanation: The firm matrix of cartilage is called chondrin.
15. Bone matrix is hardened mainly because of:
Explanation: Calcium and phosphate salts mineralize bone tissue.
16. Blood is classified as connective tissue because it:
Explanation: Its matrix is plasma and it connects body systems through transport.
17. Lymph differs from blood chiefly because it:
Explanation: Lymph is pale, low in proteins, and mainly carries lymphocytes.
18. The contractile proteins in muscle are:
Explanation: Interaction of actin and myosin produces contraction.
19. The basic unit of nervous tissue is:
Explanation: The neuron receives and transmits impulses.
20. Which option correctly matches tissue and major function?
Explanation: The other functions belong to different tissues.
21. Revision Booster 1. Recheck this Structural Organisation in Animals concept with a fresh option order. The branch of biology that studies tissue organization is known as:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Histology deals with the microscopic study of tissues.
22. Revision Booster 2. Recheck this Structural Organisation in Animals concept with a fresh option order. The primary role of epithelial tissue is to:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Epithelia form protective coverings and linings in the body.
23. Revision Booster 3. Recheck this Structural Organisation in Animals concept with a fresh option order. Squamous epithelium is best suited for:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Its thin cells allow rapid exchange across the surface.
24. Revision Booster 4. Recheck this Structural Organisation in Animals concept with a fresh option order. Cuboidal epithelium commonly lines:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Cuboidal epithelium is common in ducts and tubules involved in secretion or absorption.
25. Revision Booster 5. Recheck this Structural Organisation in Animals concept with a fresh option order. Columnar epithelium is especially adapted for:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Its taller cells often bear microvilli or goblet cells.
26. Sponges differ from higher animals because they show:
Explanation: Sponges have cells loosely aggregated without true tissues.
27. Cnidarians exhibit:
Explanation: Cnidarians have true tissues but no well-developed organs.
28. Platyhelminthes are noted for:
Explanation: Flatworms show distinct organs though not organ systems.
29. Organ-system level of body organization first becomes clear in:
Explanation: Higher phyla show integrated organ systems.
30. An animal that can be divided into two equal halves in only one plane is:
Explanation: Bilateral symmetry gives definite right and left halves.
31. Radial symmetry is typical of:
Explanation: These animals can be divided into similar halves by many planes through the central axis.
32. Diploblastic animals possess:
Explanation: Diploblastic animals have two embryonic germ layers.
33. Triploblastic animals possess:
Explanation: They develop ectoderm, mesoderm, and endoderm.
34. A true coelom is lined by:
Explanation: In a true coelom, the body cavity is fully lined by mesoderm.
35. Animals without a body cavity are called:
Explanation: Flatworms are standard examples of acoelomates.
36. Roundworms are described as pseudocoelomates because:
Explanation: The pseudocoel is a persistent blastocoel.
37. Annelids, arthropods, molluscs, echinoderms, and chordates are generally:
Explanation: These groups have a body cavity formed within mesoderm.
38. Metamerism refers to:
Explanation: It is a segmented body plan seen in annelids and some chordates.
39. Which group is classically associated with clear metameric segmentation?
Explanation: Segmented annelids show repeated body units externally and internally.
40. The notochord is a defining feature of:
Explanation: A notochord is present at least at some stage in chordates.
41. Blind sac body plan means:
Explanation: This simpler body plan occurs in some lower animals.
42. Complete digestive tract is characterized by:
Explanation: A one-way gut allows specialization of digestive regions.
43. Mesoglea is most commonly associated with:
Explanation: Mesoglea lies between ectoderm and endoderm in diploblastic cnidarians.
44. Which statement is correct?
Explanation: This follows the standard progression of body organization.
45. The strongest summary of animal body plans is:
Explanation: These traits are the main comparative criteria in introductory animal structure.
46. Revision Booster 1. Recheck this Structural Organisation in Animals concept with a fresh option order. Sponges differ from higher animals because they show:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Sponges have cells loosely aggregated without true tissues.
47. Revision Booster 2. Recheck this Structural Organisation in Animals concept with a fresh option order. Cnidarians exhibit:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Cnidarians have true tissues but no well-developed organs.
48. Revision Booster 3. Recheck this Structural Organisation in Animals concept with a fresh option order. Platyhelminthes are noted for:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Flatworms show distinct organs though not organ systems.
49. Revision Booster 4. Recheck this Structural Organisation in Animals concept with a fresh option order. Organ-system level of body organization first becomes clear in:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Higher phyla show integrated organ systems.
50. Revision Booster 5. Recheck this Structural Organisation in Animals concept with a fresh option order. An animal that can be divided into two equal halves in only one plane is:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Bilateral symmetry gives definite right and left halves.
51. Cockroach belongs to phylum:
Explanation: Cockroach is a typical arthropod used for structural study.
52. The body of cockroach is divided into:
Explanation: This three-part division is characteristic of insects.
53. Each thoracic segment of cockroach bears:
Explanation: Three thoracic segments together bear three pairs of walking legs.
54. Wings are attached to:
Explanation: The second and third thoracic segments carry the wings.
55. The long sensory structures on the head are:
Explanation: Antennae function as tactile and olfactory organs.
56. The mouthparts of cockroach are adapted for:
Explanation: Mandibles and maxillae help in chewing food.
57. Cockroach is an example of:
Explanation: Haemolymph flows through body sinuses in arthropods.
58. Respiration in cockroach occurs through:
Explanation: Air enters through spiracles into tracheae.
59. Excretory organs of cockroach are:
Explanation: These tubules remove nitrogenous wastes from haemolymph.
60. The brain of cockroach is situated:
Explanation: The supra-oesophageal ganglion lies above the alimentary canal.
61. The grinding organ in cockroach gizzard consists of:
Explanation: The gizzard helps grind food mechanically.
62. Male cockroach is identified by the presence of:
Explanation: Anal styles occur in males, not in females.
63. Female cockroach lays eggs in:
Explanation: Eggs are enclosed in a dark brown egg case called ootheca.
64. The plate-like dorsal body coverings are called:
Explanation: Each body segment has a dorsal tergum and ventral sternum.
65. Cerci of cockroach are attached to:
Explanation: Cerci are paired appendages near the posterior end.
66. The tubular heart of cockroach lies on the:
Explanation: The heart is a dorsal vessel with chambers and ostia.
67. Fertilization in cockroach is:
Explanation: Sperm is transferred and fertilization occurs within the female body.
68. The walking legs of cockroach are attached to:
Explanation: All insect legs arise from the thoracic segments.
69. Which pair is correctly matched?
Explanation: The other structures perform different roles.
70. The best summary of cockroach structure is:
Explanation: Cockroach is used to understand the basic insect body plan.
71. Revision Booster 1. Recheck this Structural Organisation in Animals concept with a fresh option order. Cockroach belongs to phylum:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Cockroach is a typical arthropod used for structural study.
72. Revision Booster 2. Recheck this Structural Organisation in Animals concept with a fresh option order. The body of cockroach is divided into:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. This three-part division is characteristic of insects.
73. Revision Booster 3. Recheck this Structural Organisation in Animals concept with a fresh option order. Each thoracic segment of cockroach bears:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Three thoracic segments together bear three pairs of walking legs.
74. Revision Booster 4. Recheck this Structural Organisation in Animals concept with a fresh option order. Wings are attached to:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. The second and third thoracic segments carry the wings.
75. Revision Booster 5. Recheck this Structural Organisation in Animals concept with a fresh option order. The long sensory structures on the head are:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Antennae function as tactile and olfactory organs.
76. Earthworm belongs to phylum:
Explanation: Earthworm is a segmented annelid.
77. The body of earthworm is divided into many:
Explanation: Earthworm shows clear external segmentation.
78. The clitellum is found in mature earthworm around segments:
Explanation: The clitellum is a glandular band associated with reproduction.
79. Tiny locomotory structures in earthworm are:
Explanation: Setae anchor the body during crawling.
80. The muscular grinding organ in earthworm alimentary canal is:
Explanation: The gizzard grinds food before digestion continues.
81. Temporary storage of food occurs in:
Explanation: The crop stores ingested food before grinding.
82. Earthworm has:
Explanation: Blood flows through vessels rather than body sinuses.
83. Excretory organs of earthworm are:
Explanation: Nephridia remove metabolic wastes and aid osmoregulation.
84. Respiration in earthworm occurs mainly through:
Explanation: Cutaneous respiration requires the body surface to remain moist.
85. The nerve ring in earthworm surrounds the:
Explanation: The circumpharyngeal connectives join ganglia around the pharynx.
86. Earthworm is:
Explanation: Each individual possesses both male and female reproductive organs.
87. Fertilization in earthworm occurs:
Explanation: Cross-fertilization is followed by cocoon formation.
88. The red colour of earthworm blood is due to:
Explanation: Its pigment is not enclosed in red blood cells.
89. The spacious cavity between gut and body wall in earthworm is a:
Explanation: Annelids are true coelomates.
90. Segments lacking setae in earthworm are usually the:
Explanation: Setae are absent in a few specialized regions.
91. Male genital pores of earthworm open on segment:
Explanation: The male genital openings are characteristically on the 18th segment.
92. Earthworm improves soil chiefly by:
Explanation: It loosens soil and enriches it with nutrient-rich casts.
93. Which pair is correctly matched?
Explanation: The other structures serve different functions.
94. Which statement is correct?
Explanation: This summarizes the annelid body plan accurately.
95. The best summary of earthworm organization is:
Explanation: These features define the earthworm model in zoology.
96. Revision Booster 1. Recheck this Structural Organisation in Animals concept with a fresh option order. Earthworm belongs to phylum:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Earthworm is a segmented annelid.
97. Revision Booster 2. Recheck this Structural Organisation in Animals concept with a fresh option order. The body of earthworm is divided into many:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Earthworm shows clear external segmentation.
98. Revision Booster 3. Recheck this Structural Organisation in Animals concept with a fresh option order. The clitellum is found in mature earthworm around segments:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. The clitellum is a glandular band associated with reproduction.
99. Revision Booster 4. Recheck this Structural Organisation in Animals concept with a fresh option order. Tiny locomotory structures in earthworm are:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Setae anchor the body during crawling.
100. Revision Booster 5. Recheck this Structural Organisation in Animals concept with a fresh option order. The muscular grinding organ in earthworm alimentary canal is:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. The gizzard grinds food before digestion continues.
101. Frog belongs to class:
Explanation: Frog is a standard amphibian with aquatic and terrestrial adaptations.
102. The skin of frog is generally:
Explanation: Moist skin assists in respiration and protection.
103. Frog uses hind limbs mainly for:
Explanation: Its muscular hind limbs provide propulsion.
104. Frog has a heart with:
Explanation: Two atria and one ventricle form the amphibian heart.
105. Adult frog can respire through:
Explanation: Adult frogs use multiple respiratory surfaces.
106. The main excretory organs in frog are:
Explanation: Frogs possess mesonephric kidneys.
107. The tongue of frog is attached anteriorly so that it can:
Explanation: This adaptation helps capture insects quickly.
108. Fertilization in frog is generally:
Explanation: Gametes are released in water where fertilization occurs.
109. The larval stage of frog is called:
Explanation: Tadpoles are aquatic larvae that later undergo metamorphosis.
110. The membrane that acts as an external eardrum in frog is:
Explanation: The tympanum transmits sound vibrations to the inner structures.
111. Frog lacks:
Explanation: Adult frogs have a short body without a distinct neck or tail.
112. The truncus arteriosus in frog carries blood from:
Explanation: Blood leaves the ventricle through the truncus arteriosus.
113. The opening common to digestive, urinary, and reproductive tracts is:
Explanation: The cloaca acts as a common chamber and exit.
114. Webbed hind feet in frog are mainly an adaptation for:
Explanation: Webbing increases surface area for effective propulsion in water.
115. The nictitating membrane in frog protects:
Explanation: It protects the eyes, especially in water.
116. Male frog is often identified by:
Explanation: These help during mating calls and amplexus.
117. The tenth cranial nerve in frog is:
Explanation: Like other vertebrates, frog has ten pairs of cranial nerves.
118. Which pair is correctly matched?
Explanation: The other options are incorrect pairings.
119. Which statement is correct?
Explanation: These are core amphibian features.
120. The strongest summary of frog structure is:
Explanation: Frog illustrates the amphibian mode of organization and adaptation.
121. Revision Booster 1. Recheck this Structural Organisation in Animals concept with a fresh option order. Frog belongs to class:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Frog is a standard amphibian with aquatic and terrestrial adaptations.
122. Revision Booster 2. Recheck this Structural Organisation in Animals concept with a fresh option order. The skin of frog is generally:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Moist skin assists in respiration and protection.
123. Revision Booster 3. Recheck this Structural Organisation in Animals concept with a fresh option order. Frog uses hind limbs mainly for:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Its muscular hind limbs provide propulsion.
124. Revision Booster 4. Recheck this Structural Organisation in Animals concept with a fresh option order. Frog has a heart with:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Two atria and one ventricle form the amphibian heart.
125. Revision Booster 5. Recheck this Structural Organisation in Animals concept with a fresh option order. Adult frog can respire through:
Explanation: Quick recall: this booster targets the same NEET concept in a new drill slot so the idea sticks under timed conditions. Adult frogs use multiple respiratory surfaces.