What is the name of the blood vessel that carries deoxygenated blood from the body to the heart in a frog ?
Structural Organisation in Animals and Plants
Every question from past board papers on Structural Organisation in Animals and Plants, newest paper first. Open any question for its full worked answer.
NEET UG 2025 question paper (official, booklet 45)
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Which of the following statement is correct about location of the male frog copulatory pad ?
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In frog, the Renal portal system is a special venous connection that acts to link :
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Frogs respire in water by skin and buccal cavity and on land by skin, buccal cavity and lungs. Choose the correct answer from the following :
NEET UG 2024 question paper (official, booklet S6)
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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
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In both sexes of cockroach, a pair of jointed filamentous structures called anal cerci are present on :
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Match List I with List II :
List I:
A. Unicellular glandular epithelium
B. Compound epithelium
C. Multicellular glandular epithelium
D. Endocrine glandular epithelium
List II:
I. Salivary glands
II. Pancreas
III. Goblet cells of alimentary canal
IV. Moist surface of buccal cavity
Choose the correct answer from the options given below :
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Match List I with List II related to digestive system of cockroach.
List I:
A. The structures used for storing of food.
B. Ring of 6-8 blind tubules at junction of foregut and midgut.
C. Ring of 100-150 yellow coloured thin filaments at junction of midgut and hindgut.
D. The structures used for grinding the food.
List II:
I. Gizzard
II. Gastric Caeca
III. Malpighian tubules
IV. Crop
Choose the correct answer from the options given below :
NEET UG 2023 question paper (official, booklet G6)
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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 the correct answer from the options given below:
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Once the undigested and unabsorbed substances enter the caecum, their backflow is prevented by-
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Match List I with List II.
List I (Cells): A. Peptic cells; B. Goblet cells; C. Oxyntic cells; D. Hepatic cells
List II (Secretion): I. Mucus; II. Bile juice; III. Proenzyme pepsinogen; IV. HCl and intrinsic factor for absorption of vitamin B\(_{12}\)
Choose the correct answer from the options given below:
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Which of the following is characteristic feature of cockroach regarding sexual dimorphism ?
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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 below:
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Match List I with List II.
List I: A. Mast cells; B. Inner surface of bronchiole; C. Blood; D. Tubular parts of nephron
List II: I. Ciliated epithelium; II. Areolar connective tissue; III. Cuboidal epithelium; IV. specialised connective tissue
Choose the correct answer from the options give below:
NEET UG 2022 question paper (official, booklet R6)
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Which of the following is not a connective tissue ?
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Tegmina in cockroach, arises from :
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Which of the following functions is not performed by secretions from salivary glands ?
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Match List - I with List - II.
List - I: (a) Bronchioles (b) Goblet cell (c) Tendons (d) Adipose Tissue
List - II: (i) Dense Regular Connective Tissue (ii) Loose Connective Tissue (iii) Glandular Tissue (iv) Ciliated Epithelium
Choose the correct answer from the options given below :
NEET UG 2021 question paper (official, booklet M4)
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Which of the following characteristics is incorrect with respect to cockroach ?
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Identify the types of cell junctions that help to stop the leakage of the substances across a tissue and facilitation of communication with neighbouring cells via rapid transfer of ions and molecules.
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Following are the statements about prostomium of earthworm.
(a) It serves as a covering for mouth.
(b) It helps to open cracks in the soil into which it can crawl.
(c) It is one of the sensory structures.
(d) It is the first body segment.
Choose the correct answer from the options given below.
NEET UG 2020 question paper (official, booklet E1)
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Cuboidal epithelium with brush border of microvilli is found in :
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If the head of cockroach is removed, it may live for few days because :
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Goblet cells of alimentary canal are modified from :
NEET UG 2019 question paper (official, booklet P1)
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Match the following structures with their respective location in organs :
(a) Crypts of Lieberkühn (i) Pancreas
(b) Glisson's Capsule (ii) Duodenum
(c) Islets of Langerhans (iii) Small intestine
(d) Brunner's Glands (iv) Liver
Select the correct option from the following :
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Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth :
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The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells are mainly present in :
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Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes.
NEET UG 2018 question paper (official, booklet EE)
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Which of the following features is used to identify a male cockroach from a female cockroach ?
NEET UG 2017 question paper (official, booklet B)
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Which cells of 'Crypts of Lieberkuhn' secrete antibacterial lysozyme ?
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Which of the following options best represents the enzyme composition of pancreatic juice ?
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Select the correct route for the passage of sperms in male frogs :
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Frog's heart when taken out of the body continues to beat for sometime.
Select the best option from the following statements.
(a) Frog is a poikilotherm.
(b) Frog does not have any coronary circulation.
(c) Heart is "myogenic" in nature.
(d) Heart is autoexcitable.
Options :
NEET UG 2016 Phase 1 question paper (official, booklet A)
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Which type of tissue correctly matches with its location ?
Tissue | Location
(1) Smooth muscle | Wall of intestine
(2) Areolar tissue | Tendons
(3) Transitional epithelium | Tip of nose
(4) Cuboidal epithelium | Lining of stomach
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In the stomach, gastric acid is secreted by the :
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Which of the following guards the opening of hepatopancreatic duct into the duodenum ?
NEET UG 2016 Phase 2 question paper (official, booklet ZZ)
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Smooth muscles are