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Class XI · Biology

Structural Organisation in Animals: NEET MCQ practice

670 practice questions on Structural Organisation in Animals, including 51 from past NEET papers, each with an explanation. Practise them chapter by chapter in the GyaanLoop app.

670

Practice questions

485

Easy

182

Medium

3

Hard

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What Structural Organisation in Animals covers

Topics in the NEET (UG) 2026–27 syllabus for this chapter.

  • Animal tissues
  • Morphology, anatomy and functions of different systems (digestive, circulatory, respiratory, nervous, reproductive) with reference to an insect (cockroach)
  • Brief mention of frog

Past NEET questions on Structural Organisation in Animals

Try each one, then open the answer and explanation.

Question 1 · NEET 2024

In which of the following connective tissues, the cells secrete fibres of collagen or elastin? A. Cartilage B. Bone C. Adipose tissue D. Blood E. Areolar tissue Choose the most appropriate answer from the options given below:

  1. A.B, C, D and E only
  2. B.A, B, C and E only
  3. C.B, C and D only
  4. D.A, C and D only
Show answer

Answer: B. A, B, C and E only

Areolar tissue has fibroblasts secreting collagen/elastin; cartilage has chondroblasts secreting collagen/elastin fibers; bone has osteoblasts secreting collagen; adipose tissue secretes minimal fibers; blood does not secrete fibers. So A, B, C, E secrete fibers – matches option (B).

Question 2 · NEET 2024

Match List I with List II: List - I List - II A. Squamous Epithelium I. Goblet cells of alimentary canal B. Ciliated Epithelium II. Inner lining of pancreatic ducts C. Glandular Epithelium III. Walls of blood vessels D. Compound Epithelium IV. Inner surface of Fallopian tubes Choose the correct answer from the options given below:

  1. A.A-II, B-III, C-I, D-IV
  2. B.A-II, B-IV, C-III, D-I
  3. C.A-III, B-I, C-II, D-IV
  4. D.A-III, B-IV, C-I, D-II
Show answer

Answer: D. A-III, B-IV, C-I, D-II

Squamous epithelium lines blood vessels (A-III). Ciliated epithelium lines Fallopian tubes (B-IV). Goblet cells of alimentary canal are glandular epithelium (C-I). Inner lining of pancreatic ducts is compound epithelium (D-II).

Question 3 · NEET 2022

Given below are two statements : Statement I : Fatty acids and glycerols cannot be absorbed into the blood. Statement II : Specialized lymphatic capi- llaries called lacteals carry chylomicrons into lymphatic vessels and ultimately into the blood. In the light of the above statements, choose the most appropriate answer from the options given below :

  1. A.Both Statement I and Statement II are correct
  2. B.Both Statement I and Statement II are incorrect
  3. C.Statement I is correct but Statement II is incorrect
  4. D.Statement I is incorrect but Statement II is correct
Show answer

Answer: D. Statement I is incorrect but Statement II is correct

Fatty acids and glycerol are absorbed as micelles, then reassembled into triglycerides in intestinal cells, packaged into chylomicrons. Chylomicrons enter lacteals (lymphatic capillaries) and reach blood via thoracic duct. So Statement I is incorrect (they are absorbed indirectly), Statement II is correct.

Question 4 · NEET 2022

In which of the following animals, digestive tract has additional chambers like crop and gizzard?

  1. A.Corvus, Columba, Chameleon
  2. B.Bufo, Balaenoptera, Bangarus
  3. C.Catla, Columba, Crocodilus
  4. D.Pavo, Psittacula, Corvus
Show answer

Answer: D. Pavo, Psittacula, Corvus

Additional chambers crop and gizzard are found in birds for storing and grinding food. Checking each option: (A) Corvus (crow) and Columba (pigeon) are birds—yes; Chameleon (reptile) lacks them—so wrong. (B) Bufo (toad), Balaenoptera (whale), Bangarus (krait)—none are birds. (C) Catla (fish), Columba (bird), Crocodilus (reptile)—only one bird. (D) Pavo (peacock), Psittacula (parrot), Corvus (crow) are all birds, so all have crop and gizzard.

Question 5 · NEET 2022

Which of the following is not a connective tissue?

  1. A.Blood
  2. B.Adipose tissue
  3. C.Cartilage
  4. D.Neuroglia
Show answer

Answer: D. Neuroglia

Connective tissues have cells embedded in an extracellular matrix. Blood, adipose, and cartilage are connective tissues. Neuroglia are neural support cells, part of nervous tissue.

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