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NEET Structural Organisation in Animals PYQs with Solutions

560 previous year questions from Structural Organisation in Animals (NEET UG Zoology) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

560 questionsZoology2001–2026Answers + solutions

About Structural Organisation in Animals PYQs

Structural Organisation in Animals has 560 previous year questions in the Quantrex Academy NEET UG Zoology bank. The 220 questions in this list come from NEET (146), AIIMS (39) and JIPMER (35), spanning 2001 to 2026. Each question opens on its own page with the options, the correct answer and the worked solution where available.

NEET Structural Organisation in Animals PYQs with Solutions

About Structural Organisation in Animals PYQs

Questions by year (this list)

Structural Organisation in Animals questions with solutions

Male frogs can be distinguished from female frogs due to the presence of : A. Bulging eyes B. Vocal sacs C. Webbed digits in feet D. Copulatory pad on first digit of fore limbs E.

Choose the correct statements regarding frog's anatomy : A. Hepatic portal system is the special venous connection between liver and intestine. B. There are twelve pairs of

In frogs, the number of pairs of cranial nerves arising from the brain are __________.

What is the name of the blood vessel that carries deoxygenated blood from the body to the heart in a frog?

In frog, the Renal portal system is a special venous connection that acts to link :

Which of the following statement is correct about location of the male frog copulatory pad?

Match List I with List II : array |l|l|l|l| & List - I & & List - II A. & Squamous Epithelium & I. & Goblet cells of alimentary canal B. & Ciliated Epithelium & II. & Inner lining

Which of the following is/are present in female cockroach? A. Collateral gland B. Mushroom gland C. Spermatheca D. Anal style E. Phallic gland Choose the most appropriate answer

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

Match List I with List II related to digestive system of cockroach. List I List II A. The structures used for storing of food I. Gizzard B. Ring of 6-8 blind tubules at junction

Match List I with List II: List I List II A. Unicellular glandular epithelium I. Salivary glands B. Compound epithelium II. Pancreas C. Multicellular glandular epithelium III.

Three types of muscles are given as a, b and c . Identify the correct matching pair along with their location in human body: Name of muscle/location

Which of the following statements is correct about the type of junction and their role in our body?

In both sexes of cockroach, a pair of jointed filamentous structures called anal cerci are present on

The Cockroach is :

Given below are two statements : Statement I: In cockroach, the forewings are transparent and prothoracic in origin. Statement II : In cockroach, the hind wings are opaque

Given below are two statements: Statement I: Goblet cells are unicellular glands. Statement II : Earwax is the secretion of exocrine gland. In the light of the above statements

Given below are two statements: Statement I: Ligaments are dense irregular tissue. Statement II: Cartilage is dense regular tissue. In the light of the above statements, choose

Which of the following is characteristics feature of cockroach regarding sexual dimorphism?

In cockroach excretion is brought about by- A. Phallic gland B. Urecose gland C. Nephrocytes D. Fat body E. Collaterial glands Choose the correct answer from the options given

Match List I with List II. List I List II A. Mast cells I. Ciliated epithelium B. Inner surface of bronchiole II. Areolar connective tissue C. Blood III. Cuboidal epithelium D.

Match List-I with List-II. Choose the correct answer from the options given below :

Which of the following types of epithelium is present in the bronchioles and Fallopian tubes?

Choose the correct statement about a muscular tissue:

Tegmina in cockroach, arises from:

Match list - I with the list - II. List- I List- II (a) Bronchioles (i) Dense regular connective tissue (b) Goblet cell (ii) Loose connective tissue (c) Tendons (iii) Glandular

Choose the correct statements : (a) Bones support and protect softer tissues and organs (b) Weight bearing function is served by limb bones (c) Ligament is the site of production

Excretion in cockroach is performed by all, EXCEPT :

Which of the following is not a connective tissue?

Which of the following statements wrongly represents the nature of smooth muscle?

Which of the following characteristics is incorrect with respect to cockroaches?

Identify the types of cell junctions that help to stop the leakage of the substances across a tissue and facilitate communication with neighbouring cells via rapid transfer of

Following are the statements about prostomium of earthworm. (a) It serves as a covering for the mouth. (b) It helps to open cracks in the soil into which it can crawl. (c) It is

Select the incorrectly matched pair from following:

Match the following columns with reference to cockroaches and select the correct option: Column - I Column - II (a) Grinding of the food particles (i) Hepatic caeca (b) Secrete

If the head of cockroach is removed, it may live for few days because

Goblet cells of alimentary canal are modified from

Cuboidal epithelium with brush border of microvilli is found in

In cockroach, identify the parts of the foregut in correct sequence:

Which one of the following is the most abundant protein in the animals?

Which is not true for cockroach?

Identify the tissue and its related function.

Which of the following holds true for blood circulation in earthworm?

In the given diagram of a section of bone tissue, certain parts have been indicated by alphabets. Select the answer in which these alphabets have been correctly matched with the

Which cell must be present in mucus secreting organs?

Identify the given diagram of tissue performing secretion and absorption.

Select the correct position of testis in Periplaneta americana.

Mach the following cell structures with their characteristic features. Select the correct option from the following

The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells are mainly present in:

Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth:

Which of the following statements is incorrect?

In frog, mesorchium is a thin fold of membrane extending between

Select the option with correct matching.

The kind of epithelium present in inner surface of bronchioles and Fallopian tubes is

Which is the first formed tissue in the embryo?

Presence of gills in the tadpole of frog indicates that

Histamine is secreted by

Which of the following features is used to identify a male cockroach from a female cockroach?

The figure shows different human tissues labelled as A to D . Which option gives the correct identification of the label, its location and one feature?

Dense regular connective tissue is present in

Select the correct route for the passage of sperms in male frogs.

Frog&#39;s heart when taken out of the body continues to beat for sometime. Select the best option from the following statements: (i) Frog is a poikilothermic (ii) Frog does not

Pseudostratified epithelium is found in

Assertion : Gap junctions perform cementing function to keep the neighbouring cells together. Reason : Tight junctions facilitate the cells to communicate with each other by

In male cockroaches, sperms are stored in which part of the reproductive system?

Which of the following features is not present in Periplaneta americana ?

Smooth muscles are

Which type of tissue is correctly paired with its location?

Assertion: The nymph of a cockroach undergoes moulting several times. Reason : There is gradual metamorphosis in cockroach.

Assertion : Blood in cockroach is colourless haemolymph with no respiratory pigment. Reason : Respiration in cockroach occurs through diffusion in haemolymph.

The function of the gap junction is to:

Erythropoiesis starts in:

The terga, sterna and pleura of cockroach body are joined by:

Select the incorrect statement

Refer the given figure of digestive system of earthworm and identify the part labelled X .

Six highly chitinous plate-like teeth are found in of cockroach

Frog's heart when taken out of the body continues to beat for sometime. Select the best option from the following statements: (i) Frog is a poikilothermic (ii) Frog does not