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Structural Organization In Animals 1000+ MCQ with answer for CTET

Thursday 9th of March 2023

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1. Nervous tissue cells that play several supporting roles but do not transmit impulses are called
A. glial cells
B. dendrites
C. nerve cells
D. neurons
Answer : A
2. Four healthy people in their twenties got involved in injuries resulting in damage and death of a few cells of the following.
Which of the cells are least likely to be replaced by new cells?
A. Liver cells
B. Neurons
C. Malpighian layer of the skin
D. Osteocytes
Answer : B
3. Identify figures-I and II.

Figure I Figure II
A. Dense regular Dense irregular connective tissue, connective tissue
B. Loose irregular Loose regular connective tissue, connective tissue
C. Adipose tissue, Specialized connective tissue
D. Connective tissue Areolar tissue proper
Answer : A
4. Which one of the following pairs of structures distinguishes a nerve cell from other types of cell ?
A. Vacuoles and Fibres
B. Flagellum and Medullary sheath
C. Nucleus and Mitochondria
D. Cell body and Dendrites
Answer : D
5. Hair present in the skin are
A. epidermal in origin and made of dead cells.
B. epidermal in origin and made of living cells.
C. dermal in origin and made of living cells.
D. dermal in origin and made of dead cells.
Answer : D
6. In all connective tissues, except which of the following, the cells secretes the fibres of collagen or elastin protein ?
A. Bone
B. Cartilage
C. Areolar connective tissue
D. Fluid connective tissue
Answer : D
7. Which of the following statement(s) is/are correct regarding excretory system of cockroach ?
  1. Excretion is performed by malphigian tubules.
  2. They absorb nitrogenous waste products and convert them into uric acid which is excreted out through hindgut. Hence, this insect called ammonetelic.
  3. In addition, fat body, nephrocytes and uricose glands also help in excretion.
A. Only (i)
B. Both (ii) and (iii)
C. Both (i) and (iii)
D. All of these
Answer : C
8. Which of the following type of tissue is being described by the given statements ?
  1. They are named because of their special function of linking and supporting other tissues/organs of the body.
  2. They include cartilage, bone, adipose and blood.
  3. They provide strength, elasticity and flexibility to the tissue.
  4. They also secrete modified polysaccharides, which accumulate between cells and fibres and act as matrix.
A. Epithelial tissue
B. Connective tissue
C. Muscle tissue
D. Neural tissue
Answer : B
9. Statement 1 : Cartilage (protein matrix) and bone (calcium matrix) are rigid connective tissue.
Statement 2 : Blood is connective tissue in which plasma is the matrix.
A. Statement- 1 and statement-2 are true and statement-2 is a correct explanation for statement -1
B. Statement -1 and statement-2 are true and statement-2 is not a correct explanation for statement -1
C. Statement - 1 is true and statement- 2 is false
D. Both the statements are false.
Answer : B
10. In which one of the following preparations, cell junctions come across most frequently ?
A. Ligament
B. Tendon
C. Cartilage
D. Ciliated epithelium
Answer : D
11. Lack of blood supply and presence of the noncellular basement membrane are the characteristics of the
A. muscular tissue
B. fluid connective tissue
C. epithelial tissue
D. nervous tissue
Answer : C
12. Which of the following statement is correct regarding Female reproductive system of earthworm ?
A. It consists of two large ovaries, lying laterally in the 6th 7th abdominal segments.
B. Each ovary is formed of a group of five ovarian tubules or ovarioles, containing a chain of developing ova.
C. A pair of spermatheca is present in the 5th segment which opens into the genital chamber.
D. None of the above
Answer : D
13. Match the terms given in column-I with their feature given in column-II and choose the correct option.
Column-IColumn-II
(Terms)(Features)
A. Exocrine glandI. They help to stop substances from leaking across a tissue
B. Endocrine glandII. Hormones are secreted directly into the fluid bathing the gland
C. Tight junctionsIII. They perform cementing to keep neighbouring cells together.
D. Adhering junctionsIV. Secretes mucus, saliva, earwax, oil, milk, digestive enzymes and other cell products
A. A IV; B II; C I; D III
B. A II; B IV; C I; D III
C. A IV; B II; C III; D I
D. A IV; B I; C II; D III
Answer : A
14. Which of the following is involved in the production of new blood cells ?
A. Adipose cell
B. Bone marrow
C. Liver
D. Matrix
Answer : B
15. Match column-I with column-II and choose the correct option.
Column-IColumn-II
A. PeriplanetaI. Hepatic caecae americana
B. A ring of 6-8 blindII. Phylum arthropoda tubules
C. Vascular systemIII. Spiracles
D. 10 pairs of smallIV. Malpighian tubules holes
E. ExcretionV. Open type
A. A I; B II; C III; D IV; E V
B. A II; B I; C V; D III; E IV
C. A II; B I; C III; D V; E IV
D. A III; B IV; C II; D V; E I
Answer : B
16. The following figure shows the extarnal features of cockroach with few structures labelled as A, B, C, D, & E. Identify A to E .
A. A- Mesothorax, B-Pronotum, C-Metathorax, D-Tegmina, E-Anal style
B. A- Pronotum, B-Metathorax, C-Mesothorax, D-Tegmina, E-Sterna
C. A- Pronotum, B-Mesothorax, C-Metathorax, D-Tegmina, E-Anal cerci
D. A- Pronotum, B-Mesothorax, C-Metathorax, D-Tegmina, E-Anal style
Answer : C
17. The shape of a persons ear is due to mainly to
A. dense regular connective tissue
B. dense irregular connective tissue
C. elastic cartilage
D. fibrocartilage
Answer : C
18. Muscle tissue cells are contractile, which means they
A. are responsible for the production and secretion of enzymes.
B. are specialized in contraction and relaxation.
C. help in the movement of involuntary organs only.
D. all of the above
Answer : B
19. Which of the following types of connective tissue is mismatched with its matrix ?
A. Areolar Loosely packed matrix of protein fibres
B. Bone Mineralized matrix
C. Cartilage Highly vascular matrix
D. Blood Liquid matrix
Answer : C
20. Which of the following statement(s) regarding cell junctions is/are correct ?
A. Tight junctions help to stop substances from leaking across a tissue.
B. Adhering junctions perform cementing to keep neighbouring cells together.
C. Gap junctions facilitate the cells to communicate with each other by connecting the cytoplasm of adjoining cells, for rapid transfer of ions, small molecules and sometimes big molecules.
D. All of the above
Answer : D
21. Match the epithetial tissue given in column-I with its location given in column-II and choose the correct option.
Column IColumn II
(Epithelial tissue)(Location)
A. CuboidalI. Epidermis of skin
B. CiliatedII. Inner lining of blood vessels
C. ColumnarIII. Inner surface of gall bladder
D. SquamousIV. Inner lining of fallopian tube
E. KeratinizedV. Lining of pancreatic duct squamous
A. A V; B IV; C II; D III; E I
B. A III; B IV; C V; D II; E I
C. A V; B IV; C III; D II; E I
D. A III; B IV; C V; D I; E II
Answer : C
22. Which of the following type of cell junction is not found in animal tissues ?
A. Adhering junction
B. Tight junction
C. Gap junction
D. Plasmodesmata
Answer : D
23. Intercalated discs are the communication junctions between the cells of
A. cardiac muscles
B. striped muscles
C. adipose tissue
D. nerve and striated muscles
Answer : A
24. Read the following statements.
  1. It is a contractile tissue present only in the heart.
  2. Cell junctions fuse the plasma membranes of these cells and make them stick together.
  3. Communication juntions at some fusion points allow the cells to contract as a unit, i.e., when one cell receives a signal to contract, its neighbours are also stimulated to contract.

Which of the following type of tissue is being described by the above statements ?
A. Skeletal muscle
B. Cardiac muscle
C. Smooth muscle
D. Cartilage
Answer : C
25. Read the following statements and answer the question.
  1. They have a hard and non-pliable ground substance rich in calcium salts and collagen fibres.
  2. They support and protect softer tissues and organs.
  3. Osteocytes are present in the spaces called lacunae.
  4. They also interact with skeletal muscles attached to them to bring about movements.

Which of the following type of tissue is being described by above statements ?
A. Cartilage
B. Bone
C. Blood
D. Neurons
Answer : B
26. The following figures A, B and C are types of muscle tissue. Identify A, B and C.
A. A Smooth muscle, B Cardiac muscle, C Skeletal muscle
B. A Skeletal muscle, B Smooth muscle, C Cardiac muscle
C. A Cardiac muscle, B Smooth muscle, C Skeletal muscle
D. A Smooth muscle, B Skeletal muscle , C Cardiac muscle
Answer : B
27. The intercellular material of the given figure is solid and resists compression. Identify the figure and the label marked as A & B.
A. Fig - Cartilage, A - Collagen, B - Collagen
B. Fig - Cartilage, A - Microtubule, B - Collagen fibres
C. Fig - Bone, A - Chondrocyte, B - Chondroclast
D. Fig - Bone, A - Chondroclast, B - Osteoblast
Answer : A
28. The supportive skeletal structures in the human external ears and in the nose tip are examples of
A. ligament
B. areolar tissue
C. bone
D. cartilage
Answer : D
29. Which of the following statement (s) is/are correct ?
  1. Loose connective tissue contains fibroblasts, macrophages and mast cells.
  2. Adipose tissue is a type of dense connective tissue located mainly beneath the skin.
  3. Tendons and ligaments are examples of dense irregular connective tissue.
  4. Cartilage, bones and blood are various types of specialized connective tissue.
A. Only (i)
B. Both (ii) and (iv)
C. Both (i) and(iii)
D. (i), (iii) and (iv)
Answer : D
30. Which of the following type of muscle tissue is being described on the basis of given statements ?
  1. These muscle fibres taper at both ends and do not show striations.
  2. The wall of internal organs such as the blood vessels, stomach and intestine contain this type of muscle tissue.
  3. They are involuntary as their function cannot be directly controlled.
A. Skeletal muscle
B. Smooth muscle
C. Cardiac muscle
D. All of these
Answer : B
31. Figure given below shows reproductive system of female cockroach. The correct labellings indicated by alphabets (A, B & C) are respectively
A. A-Spermatheca, B-Collaterial glands, C-Gonapophyses
B. A-Phallic gland, B-Collaterial glands, C-Gonapophyses
C. A-Spermatheca, B-Seminal vesicle, C-Gonapophyses
D. A-Spermatheca, B-Collateral glands, C-Tegmina
Answer : A
32. A student was given a sample of two tissues. He observes the tissues under the microscope and draws their figures (1 and 2) as shown below.

Identify the tissues (1 and 2).
A. 1: Columnar cells bearing cilia; 2: Unicellular glandular epithelium
B. 1: Cuboidal cells bearing cilia; 2: Multicellular glandular epithelium
C. 1: Compound cells bearing cilia; 2: Unicellular glandular epithelium
D. 1: Columnar cells bearing cilia; 2: Multicellular glandular epithelium
Answer : D
33. Mast cells are associated with
A. exocrine glands
B. endocrine glands
C. areolar connective tissue
D. neural tissue
Answer : C
34. A student was given a specimen to identify on the basis of the characteristics given below.
  1. They are metamerically segmented.
  2. Presence of closed circulatory system.
  3. They have circular and longitudinal muscles for locomotion.

Identify the specimen.
A. Frog
B. Pheretima
C. Cockroach
D. Rabbit
Answer : B
35. Find the incorrectly matched pair.
A. Unicellular glandular cells - Goblet cell
B. Saliva - Exocrine secretion
C. Fusiform fibres - Smooth muscle
D. Cartilage - Areolar tissue
Answer : D
36. Phallic organs in cockroach are related to
A. male excretory system.
B. male reproductive system.
C. female excretory system.
D. female reproductive system.
Answer : B
37. Gizzard (proventriculus) in cockroach lies between
A. oesophagus and stomach
B. crop and mesenteron
C. mesenteron and ileum
D. oesophagus and crop
Answer : B
38. The fibres of which of the following muscles are fusiform and do not show striations
A. Skeletal muscles
B. Cardiac muscles
C. Both (a) and (b)
D. Smooth muscles
Answer : D
39. The frog never drinks water but absorbs it through one of its respiratory organ. Identify the organ.
A. Skin
B. Lung
C. Buccal cavity
D. None of the above.
Answer : A
40. Non-ciliated simple columnar epithelium often contains _______, which increase the surface area for secretion and absorption.
A. flagella
B. collagen fibres
C. microvilli
D. all of these
Answer : C
41. Refer the given figure of female reproductive system of cockroach and identify the correct labels (marked as 1, 2, 3 and 4) which are collectively called genital pouch.
A. 1 & 2
B. 1 & 3
C. 2 & 4
D. 3 & 4
Answer : D
42. When cardiac muscle cells are damaged by a heart attack, they are usually replaced by
A. connective tissue cells
B. new smooth muscle cells
C. new cardiac muscle cells
D. epithelial cells
Answer : A
43. Select the correct statement regarding Periplaneta americana
A. There are 16 very long malpighian tubules present at the junctions of midgut and hindgut.
B. Grinding of food is carried out only by the mouth parts.
C. Nervous system is located ventrally and consists of segmentally arranged ganglia joined by a pair of longitudinal connectives.
D. Females bear a pair of short thread like anal styles.
Answer : D
44. The mouth parts of cockroach are
A. cutting and biting type.
B. piercing and sucking type.
C. sucking and rasping type.
D. sucking and siphoning type.
Answer : A
45. Which of the following statements is not correct regarding neural tissue ?
A. It exerts the greatest control over the bodys responsiveness to changing conditions.
B. Chondrocytes, the unit of neural system are excitable cells.
C. Neuroglial cells protect and support neurons.
D. When a neuron is suitably stimulated, an electrical disturbance is generated.
Answer : B
46. The kind of epithelium which forms the inner walls of blood vessels is
A. cuboidal epithelium
B. columnar epithelium
C. ciliated columnar epithelium
D. squamous epithelium
Answer : D
47. Which of the following statement(s) is/are correct regarding cockroaches ?
  1. The body of the cockroach is segmented and divisible into three distinct regions head,thorax and abdomen.
  2. Blood vascular system is of closed type.
  3. They are monoecious and both sexes have well developed reproductive organs.
  4. The development of P. americana is paurometabolus, meaning there is development through nymphal stage.
A. Both (i) and (ii)
B. Both (ii) and (iii)
C. Both (i) and (iv)
D. All of these
Answer : C
48. What external changes are visible after the last moult of a cockroach nymph?
A. Development of anal cerci.
B. Development of both forewings and hind wings.
C. Development labium.
D. Mandibles become harder.
Answer : B
49. A student was given a sample of tissue. He observes and concludes the following characters.
  1. The cells are composed of a single layer of tall and slender cells.
  2. Their nuclei are located at the base.
  3. Free surface may have microvilli.
  4. It is found in the lining of stomach and intestine
  5. They help in secretion and absorption.

Based on the above features identify the epithelium.
A. Cuboidal epithelium
B. Columnar Epithelium
C. Squamous epithelium
D. Glandular epithelium
Answer : B
50. The given figure shows the digestive system of cockroach with few structures marked as A, B, C and D. Identify structures A to D.
A. A-Gizzard, B-Crop, C-Hepatic caecae, D-Malpighian tubules
B. A-Crop, B-Gizzard, C-Hepatic caecae, D-Malpighian tubules
C. A- Crop, B-Gizzard, C-Malpighian tubules, D-Hepatic caecae
D. A- Gizzard, B-Crop, C-Malpighian tubules, D-Hepatic caecae
Answer : B
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