Structural Organisation in Animals Class 11 NEET Questions

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    Structural Organisation in Animals Class 11 NEET Questions. We covered all the Structural Organisation in Animals Class 11 NEET Questions with answers PDF download in this post for free so that you can practice well for the exam.

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    Structural Organisation in Animals Class 11 NEET Questions for Students

    Quick Quiz

    Identify the striated voluntary muscles from the following.

    (A) Cardiac muscles

    (B) Smooth muscles

    (C) Skeletal muscles

    (D) Intestinal muscles

    Option c – Skeletal muscles

    Identify the structure that is NOT involved in excretion in cockroaches. ( Structural Organisation in Animals Class 11 MCQs )

    (A) Urecose glands

    (B) Maxillary palps

    (C) Malpighian tubules

    (D) Nephrocytes

    Option b – Maxillary palps

    Which of the following are the true characteristics of smooth muscles?

    (A) Cylindrical, unbranched, non-striated, multinucleate and involuntary

    (B) Spindle-shaped, unbranched, striated, uninucleate, and voluntary

    (C) Cylindrical, unbranched, striated, multinucleate, and voluntary

    (D) Spindle-shaped, unbranched, non-striated, uninucleate and involuntary

    Option d – Spindle-shaped, unbranched, non-striated, uninucleate and involuntary

    Which of the following is included in the male reproductive organs of cockroaches? ( Structural Organisation in Animals Class 11 MCQs )

    (A) A pair of testes and a pair of oviducts

    (B) A pair of testes, a pair of vasa deferentia, and a single ejaculatory duct.

    (C) A pair of testes, a pair of vasa deferentia, and spermatheca.

    (D) A pair of ovaries, a pair of oviducts, a vagina, and spermatheca

    Option b – A pair of testes, a pair of vasa deferentia, and a single ejaculatory duct.

    Read the following statements and choose the correct option. Statement I: Neuron is the unit of the neural system. Statement II: Neuroglia protects and supports neurons.

    (A) Statement I is correct.

    (B) Statement II is correct.

    (C) Both statements I and II are correct.

    (D) Both statements I and II are incorrect

    Option c – Both statements I and II are correct.

    In cockroaches, each ovary consists of ……. ovarian tubules. ( Structural Organisation in Animals Class 11 MCQs )

    (A) 8

    (B) 4

    (C) 6

    (D) 2

    Option a – 8

    Identify the tissues that perform the special function of linking and supporting other tissues/organs of the body.

    (A) Simple squamous epithelium

    (B) Epithelial tissue

    (C) Connective tissue

    (D) Cardiac tissue

    Option c – Connective tissue

    Identify the TRUE statement with respect to cockroaches. ( Structural Organisation in Animals Class 11 MCQs )

    (A) Anal styles are absent in females.

    (B) They are ureotelic.

    (C) The number of ovarioles in each ovary is ten.

    (D) The larval stage is called a caterpillar.

    Option a – Anal styles are absent in females.

    Identify the cells that are NOT found in areolar tissue.

    (A) Goblet cells

    (B) Mast cells

    (C) Fibroblasts

    (D) Macrophages

    Option a – Goblet cells

    In male cockroaches, sperm are stored in ( Structural Organisation in Animals Class 11 MCQs )

    (A) Mushroom glands

    (B) Phallomere

    (C) Seminal vesicles

    (D) Vas deferens

    Option c – Seminal vesicles

    In which of the following the intercellular material is solid, pliable, and resists compression?

    (A) Tendon

    (B) Blood

    (C) Bone

    (D) Cartilage

    Option d – Cartilage

    Identify the structure in cockroaches that have sensory receptors that help in monitoring the environment. ( Structural Organisation in Animals Class 11 MCQs )

    (A) Pronotum

    (B) Proventriculus

    (C) Antennae

    (D) Tegmina

    Option c – Antennae

    The ground substance secreted by connective tissue is composed of

    (A) disaccharides

    (B) monosaccharides

    (C) only phospholipids

    (D) modified polysaccharides

    Option d – modified polysaccharides

    Which of the following structures help male cockroaches from females? distinguishing ( Structural Organisation in Animals Class 11 MCQs )

    (A) Functional wings

    (B) Anal styles

    (C) Mesothorax

    (D) Abdominal segments

    Option b – Anal styles

    Which of the following types of fibers are found in dense connective tissues?

    (A) Inelastic fibres

    (B) Collagen fibres

    (C) Muscle fibres

    (D) Microtubular fibres

    Option b – Collagen fibres

    ………. are the blood cells found in cockroaches. ( Structural Organisation in Animals Class 11 MCQs )

    (A) Leucocytes

    (B) Haemocytes

    (C) Erythrocytes

    (D) Thrombocytes.

    Option b – Haemocytes

    Identify the FALSE statement with reference to the hind wings of the cockroach.

    (A) They are membranous.

    (B) They are used in flight.

    (C) They are transparent.

    (D) They arise from mesothorax.

    Option d – They arise from mesothorax.

    Select the INCORRECT statement from the following. ( Structural Organisation in Animals Class 11 MCQs )

    (A) Cardiac muscle tissue is present only in the heart.

    (B) Muscle fibers relax in response to stimulation.

    (C) Skeletal muscle tissue is closely attached to skeletal bones.

    (D) Smooth muscle fibers taper at both ends.

    Option b – Muscle fibers relax in response to stimulation.

    Assertion: Smooth muscle tissue is involuntary. Reason: The functioning of smooth muscle tissue cannot be directly controlled.

    (A) Both assertion and reason are true and the reason is the correct explanation of assertion.

    (B) Both assertion and reason are true and the reason is not the correct explanation of assertion.

    (C) The assertion is true and the reason is false.

    (D) Both assertion and reason are false.

    Option a – Both assertion and reason are true and the reason is the correct explanation of assertion.

    In which of the following part does the poorly developed blood vessel of the cockroach opens? ( Structural Organisation in Animals Class 11 MCQs )

    (A) Hemocoel

    (B) Phallomere

    (C) Ostia

    (D) Malpighian tubules

    Option a – Hemocoel

    Which of the following are NOT the sense organs in cockroaches?

    (A) Anal cerci

    (B) Antennae and eyes

    (C) Maxillary and labial palps

    (D) Mesentron

    Option d – Mesentron

    Which of the following statement is INCORRECT about epithelial tissue? ( Structural Organisation in Animals Class 11 MCQs )

    (A) Simple epithelium is composed of a single layer of cells.

    (B) The epithelium of PCT of the nephron in the kidney has microvilli.

    (C) Compound epithelium plays a major role in secretion and absorption.

    (D) In columnar epithelium, the nuclei of cells are located at the base.

    Option c – Compound epithelium plays a major role in secretion and absorption.

    Identify the INCORRECT statement about cockroaches.

    (A) The mosaic vision of cockroaches has less sensitivity but more resolution.

    (B) The compound eyes are situated at the dorsal surface of the head.

    (C) A cockroach can receive several images of an object due to several ommatidia.

    (D) Each eye consists of about 2000 hexagonal ommatidia.

    Option a – The mosaic vision of cockroaches has less sensitivity but more resolution.

    ……… molting is required by the nymph of a cockroach to reach the adult stage. ( Structural Organisation in Animals Class 11 MCQs )

    (A) 9

    (B) 8

    (C) 5

    (D) 13

    Option d – 13

    …… have a hard and non-pliable ground substance rich in calcium salts and collagen fibers.

    (A) Cartilage

    (B) Lacunae

    (C) Bones

    (D) Tendons

    Option c – Bones

    Which of the following combination of structures forms the hindgut? ( Structural Organisation in Animals Class 11 MCQs )

    (A) Ileum, colon and rectum

    (B) Ileum, colon and mesenteron

    (C) Crop, ileum, and rectum

    (D) Ileum and rectum

    Option a – Ileum, colon and rectum

    Which of the following forms the inner lining of ducts of salivary glands and pancreatic ducts?

    (A) Areolar tissue

    (B) Compound epithelium

    (C) Adipose tissue

    (D) Ciliated epithelium

    Option b – Compound epithelium

    Which type of development is seen in Periplaneta Americana? ( Structural Organisation in Animals Class 11 MCQs )

    (A) Parthenogenesis

    (B) Paurometabolous

    (C) Hemimetabolous

    (D) Holometabolous

    Option b – Paurometabolous

    Study the following statements and select the correct option. Statement I: Tight junctions help to stop substances from leaking across a tissue. Statement II: On the basis of the mode of pouring secretions, glands are divided into two categories namely exocrine and endocrine glands.

    (A) Statements I are correct and II is incorrect.

    (B) Statements I is incorrect and II is correct.

    (C) Both Statements I and II are correct.

    (D) Both Statements I and II are incorrect

    Option c – Both Statements I and II are correct.

    Study the following statements and choose the correct option. Statement I: Ciliated epithelium helps to move mucus in a specific direction. Statement II: Ciliated epithelium lines the inner surface of bronchioles and fallopian tubes.

    (A) Statement I is correct

    (B) Statement II is correct

    (C) Both statements I and II are correct

    (D) Both statements I and II are incorrect

    Option c – Both Statements I and II are correct.

    Identify the structure that has an outer layer of thick circular muscles and inner thick cuticle, six chitinous teeth, which help in grinding the food. ( Structural Organisation in Animals Class 11 MCQs )

    (A) Crop

    (B) Hepatic cecae

    (C) Oesophagus

    (D) Proventriculus

    Option d – Proventriculus

    Identify the junctions that perform cementing to keep neighboring cells together.

    (A) Tight Junctions

    (B) Compound Junctions

    (C) Adhering Junctions

    (D) Gap Junctions

    Option c – Adhering Junctions

    Which of the following epithelium covers the dry surface of the skin?

    (A) Squamous

    (B) Simple

    (C) Columnar

    (D) Compound

    Option d – Compound

    Which of the following regulates the opening of the spiracles in cockroaches?

    (A) Sphincters

    (B) Tracheoles

    (C) Alary muscles

    (D) Ostia

    Option a – Sphincters

    In cockroaches, through which of the following blood from the sinuses enter the heart?

    (A) Ocellus

    (B) Trachea

    (C) Ostia

    (D) Tracheoles

    Option c – Ostia

    Identify the junction which prevents leakage of substances across a tissue.

    (A) Gap Junction

    (B) Tight Junction

    (C) Adhering junction

    (D) All of the above

    Option b – Tight Junction

    In cockroaches, all sperms are stored in seminal vesicles and are glued together into large bundles called

    (A) phallomere

    (B) anal style

    (C) mushroom gland

    (D) spermatophores

    Option d – spermatophores

    Which of the following statement is INCORRECT with respect to connective tissue?

    (A) These are most abundant and widely distributed in the body of complex animals.

    (B) They perform the function of linking and supporting other tissues/organs of the body.

    (C) Blood is a type of connective tissue.

    (D) Adipose and areolar tissue are examples of dense connective tissues.

    Option d – Adipose and areolar tissue are examples of dense connective tissues.

    …….. are finger-like projections located at the junction of the foregut and midgut.

    (A) Gizzard

    (B) Hepatic caecae

    (C) Crop

    (D) Oesophagus

    Option b – Hepatic caecae

    Identify the structure that represents the external genitalia of the male cockroaches.

    (A) Spermatophore

    (B) Male gonapophysis

    (C) Vasa differentia

    (D) Ejaculatory duct

    Option b – Male gonapophysis

    Which of the following cells line up each Malpighian tubule in a cockroach?

    (A) Ciliated and glandular cells

    (B) Squamous epithelial cells

    (C) Cuboidal and ciliated cells

    (D) Glandular and cuboidal cells

    Option a – Ciliated and glandular cells

    ……… is the longest part of the alimentary canal and is thin-walled, narrow, and tubular.

    (A) Hindgut

    (B) Foregut

    (C) Mesenteron

    (D) Crop

    Option c – Mesenteron

    We covered all the structural organisation in animals class 11 neet questions above in this post for free so that you can practice well for the exam.

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