1000+ Structural Organization In Animals MCQ for GMAT [Solved]

1. 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

2. Match the types of connective tissue given in column-I with their examples given column-II and choose the correct option.

Column-I	Column-II
(Types of connective)	(Examples)
A. Loose connective	I. Tendons and ligaments tissue
B. Dense regular	II. Skin tissue
C. Dense irregular	III. Cartilage, bones, blood tissue
D. Specialized	IV. Fibroblasts, macrophages connective tissue and mast cells

A. A I; B IV; C II; D III
B. A I; B IV; C III; D II
C. A IV; B I; C II; D III
D. A IV; B II; C I; D III
Answer : C

3. 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

4. Match the epithetial tissue given in column-I with its location given in column-II and choose the correct option.

Column I	Column II
(Epithelial tissue)	(Location)
A. Cuboidal	I. Epidermis of skin
B. Ciliated	II. Inner lining of blood vessels
C. Columnar	III. Inner surface of gall bladder
D. Squamous	IV. Inner lining of fallopian tube
E. Keratinized	V. 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

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. Cockroaches are brown or black bodied animals that are included in class _______ of phylum _______.
A. reptilia; annelida
B. insecta; arthropoda
C. insecta; annelida
D. reptilia; arthropoda
Answer : B

7. General function of gland is to
A. protect the body.
B. control the function of epithelial tissues.
C. produce and secrete specialized compounds to control and maintain different body functions.
D. help to maintain blood pressure and nerve actions.
Answer : C

8. 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

9. 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

10. Which of the following statement is/are correct regarding digestive system of cockroach ?

1. Mouth opens into a short tubular pharynx, leading to a narrow tubular passage called oesophagus.
2. Gizzard helps in grinding the food particles.
3. A ring of 6-8 blind tubules called hepatic or gastric caecae is present at the junction of foregut and midgut, which secrete digestive juice.
4. At the junction of midgut and hindgut is present another ring of 100-150 yellow coloured thin filamentous malphigian tubules which help in removal of excretory products from haemolymph.

A. Only (i)
B. Both (ii) and (iii)
C. Both (i) and (iv)
D. All of these
Answer : D

11. Which of the following statement(s) is/are correct regarding compound epithelium ?
A. It is made of more than one layer of cells and thus has a limited role in secretion and absorption.
B. Their main function is to provide protection against chemical and mechanical stresses.
C. They cover the dry surface of the skin, moist surface of buccal cavity, pharynx, inner lining of ducts of salivary glands and pancreatic ducts.
D. All of the above
Answer : D

12. 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

13. Statement 1 : Intercalated discs are important regions of cardiac muscle cells.
Statement 2 : Intercalated discs function as boosters for muscle contraction waves.
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 ttatement-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 : A

14. Consider the following statements regarding cockroach and mark the correct option.

1. Head is formed by the fusion of 6-segments.
2. Mouth parts are biting and chewing type.
3. Crop is the part of mid gut.

A. Only (ii) is correct
B. (ii) and (iii) are correct
C. (i) nd (ii) are correct
D. Only (iii) is correct
Answer : C

15. Gizzard (proventriculus) in cockroach lies between
A. oesophagus and stomach
B. crop and mesenteron
C. mesenteron and ileum
D. oesophagus and crop
Answer : B

16. Refer the given figure and identify the correct characteristic feature.

1. It is a type of loose connective tissue.
2. It contains fibroblast, macrophages, collagen fibres and mast cells.
3. The cells of this tissue are specialized to store fats.
4. The wall of internal organs such as the blood vessels, stomach and intestine contains this type of tissue.

A. (i) & (ii)
B. (i) & (iii)
C. (ii) & (iii)
D. (iii) & (iv)
Answer : A

17. Smooth muscles are______.
A. voluntary, branched, uninucleate
B. voluntary, multinucleate, cylindrical
C. involuntary, cylindrical, multinucleate
D. involuntary, spindle shaped, uninucleated, tapering
Answer : D

18. 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

19. 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

20. Match column-I with column-II and choose the correct option.

Column-I	Column-II
A. Periplaneta	I. Hepatic caecae americana
B. A ring of 6-8 blind	II. Phylum arthropoda tubules
C. Vascular system	III. Spiracles
D. 10 pairs of small	IV. Malpighian tubules holes
E. Excretion	V. 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

21. If the head of cockroach is cut off, it will still alive for as long as one week. It is because of
A. the body which is covered with a hard chitinous exoskeleton.
B. head which holds a bit of nervous system.
C. head which is of no use.
D. food capturing appratus which is found elsewhere.
Answer : C

22. The only type of cell seen in a tendon is
A. muscle fibres
B. reticular cells
C. collagenous cells
D. fibroblasts
Answer : D

23. Which of the following statement(s) is/are correct regarding respiratory system of cockroach ?

1. It consists of a network of trachea, that open through 12 pairs of small holes called spiracles present on the lateral side of the body.
2. Thin branching tubes carry oxygen from the air to all the parts.
3. The opening of the spiracles is regulated by sphincters.
4. Exchange of gases take place at the tracheoles by diffusion.

A. Only (i)
B. (i), (ii) and (iii)
C. (ii), (iii) and (iv)
D. All of these
Answer : C

24. 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

25. Choose the correct sequence of alimentary canal of Cockroach
A. Gizzard -> Crop ->?Malphigian tubules ->?Hepatic caeca ->?Rectum.
B. Gizzard -> Hepatic caeca -> Crop -> Rectum -> Malphigian tubules.
C. Crop -> Gizzard ->?Hepatic caeca ->?Malphigian tubules ->?Rectum.
D. Crop -> Hepatic caeca ->?Gizzard -> Rectum -> Malphigian tubules.
Answer : C

26. 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

27. 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

28. A student was given a sample of tissue. He observes and concludes the following characters.

1. The cells are composed of a sigle 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

29. The figure given below shows the alimentary canal of cockroach with few structures labelled as 1, 2, 3 and 4. Identify the correct identification of the structure which is also called proventriculus and helps in grinding the food particles.

A. 1
B. 2
C. 3
D. 4
Answer : C

30. 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

31. 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

32. 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

33. Neuroglia are
A. excitable cells of neural tissue.
B. supporting and non-excitable cells of neural tissue.
C. two to three times in volume of neural tissue.
D. protective and excitable cells of neural tissue.
Answer : B

34. Which of the following vertebrate tissues would be an excellent source of collagen?
A. Liver
B. Nerve
C. Muscle
D. Tendon
Answer : D

35. Identify the figure with its correct function Fig :. Adipose connective tissue

A. Areolar connective tissue Serves as a support framework for epithelium.
B. Adipose tissue Store fats and act as heat insulators.
C. Dense regular tissue Provide flexibility.
D. Dense irregular tissue Provide strength and elasticity.
Answer : B

36. 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

37. The secretions of endocrine glands are released directly
A. into the skin surface
B. into the blood stream
C. into a gland duct
D. into the brain tissue
Answer : B

38. Which of the following animals maintain ecological balance?
A. Frog
B. Rabbit
C. Earthworm
D. Cockroach
Answer : A

39. Match column-I (type of epithelium) with column-II (Description) and choose the correct option.

Column-I	Column-II
(Types of epithelium)	(Description)
A. Squamous	I. It is composed of a epithelium single-layer of cube-like cells
B. Cuboidal	II. Having cilia on their free epithelium surface
C. Columnar	III. It is composed of a single epithelium layer of tall and slender cells
D. Ciliated	IV. It is made up of a single thin epithelium layer of flattened cells with irregular boundaries

A. A IV; B I; C III; D II
B. A I; B IV; C III; D II
C. A IV; B I; C II; D III
D. A IV; B III; C I; D II
Answer : B

40. Which statement regarding anal cerci and anal style in cockroach is correct?
A. Anal cerci are absent but anal styles are present in male.
B. Anal cerci are absent and anal styles are present in female.
C. Anal styles are absent and anal cerci are present in male.
D. Anal styles are absent and anal cerci are present in female.
Answer : D

41. 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

42. What are the three basic components of connective tissues?
A. Ground substance, cells and basement membrane
B. Cartilage, intercellular matrix and serum
C. Cells, protein fibers and ground substance
D. Collagen, elastin and reticular fibers
Answer : C

43. 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

44. The mouth parts of cockroach are
A. cutting and biting type.
B. piercing and sucking type.
C. suking and rasping type.
D. sucking and siphoning type.
Answer : A

45. 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

46. The diagram given below represents the reproductive organ of male cockroach. Choose the correct labelling of the part of marked as A, B, C and D.

A. A 8th sternum, B - Anal cercus, C - 10th tergum, D - Anal style
B. A - 10th tergum, B - Anal cercus, C - Anal style, D - 8th sternum
C. A - Anal style, B - Anal cercus, C - 10th tergum, D- 8th sternum
D. A - Anal cercus, B - 8th sternum, C - 10th tergum, D - Anal style.
Answer : A

47. In cockroach head can move in all directions due to
A. absence of neck.
B. fusion of all 6 segments of head.
C. flexible neck.
D. head is small and light weight.
Answer : C

48. Tendons and ligaments are the examples of
A. areolar connective tissue
B. adipose tissue
C. dense regular connective tissue
D. loose connective tissue
Answer : C

49. Which of the following statements regarding frog is not correct?
A. Fertilization is external and takes place in water.
B. External ear and tympanum can be seen externally.
C. In females the ureters and oviduct open separately in the cloaca.
D. Copulatory pad on the first digit of the fore limbs and vocal sac are present in male frog.
Answer : B

50. 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