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Structural Organisation in Animals · Question 10

NEET (UG) 2024MCQEasy📈 Topic in 25% papers+4−1
1

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

  1. (a) Smooth - Toes (b) Skeletal - Legs (c) Cardiac - Heart
  2. (a) Skeletal - Triceps (b) Smooth - Stomach (c) Cardiac - Heart
  3. (a) Skeletal - Biceps (b) Involuntary - Intestine (c) Smooth - Heart
  4. (a) Involuntary - Nose tip (b) Skeletal - Bone (c) Cardiac - Heart

Answer

(2) (a) Skeletal - Triceps (b) Smooth - Stomach (c) Cardiac - Heart

Solution

(a) Long, cylindrical, unbranched fibres with striations and peripheral nuclei – skeletal (striated, voluntary) muscle, attached to bones, e.g. triceps, biceps.

(b) Spindle-shaped (fusiform) cells without striations, each with a single central nucleus – smooth (involuntary) muscle, found in the walls of internal organs such as the stomach and intestine.

(c) Branched, striated fibres joined by intercalated discs – cardiac muscle, found only in the heart.

Only option (2) gives all three correctly.

Answer: (2)

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Keep practising — Structural Organisation in Animals

2

Match List I with List II related to digestive system of cockroach. Choose the correct answer from the options given below:

  1. A-IV, B-II, C-III, D-I
  2. A-I, B-II, C-III, D-IV
  3. A-IV, B-III, C-II, D-I
  4. A-III, B-II, C-IV, D-I
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3

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

  1. A-II, B-I, C-III, D-IV
  2. A-IV, B-III, C-I, D-II
  3. A-III, B-IV, C-I, D-II
  4. A-II, B-I, C-IV, D-III
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4

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

  1. Adhering junctions facilitate the cells to communicate with each other.
  2. Tight junctions help to stop substances from leaking across a tissue.
  3. Tight junctions help to perform cementing to keep neighbouring cells together.
  4. Gap junctions help to create gap between the cells and tissues.
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5

Which of the following is/are present in female cockroach? Choose the most appropriate answer from the options given below:

  1. B and D only
  2. B and E only
  3. A only
  4. A and C only
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6

In which of the following connective tissues, the cells secrete fibres of collagen or elastin? Choose the most appropriate answer from the options given below :

  1. B, C, D and E only
  2. A, B, C and E only
  3. B, C and D only
  4. A, C and D only
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7

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

  1. A-II, B-III, C-I, D-IV
  2. A-II, B-IV, C-III, D-I
  3. A-III, B-I, C-II, D-IV
  4. A-III, B-IV, C-I, D-II
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8

Given below are two statements: In the light of the above statements, choose the correct answer from the options given below:

  1. Both Statement I and Statement II are false
  2. Statement I is true but Statement II is false
  3. Statement I is false but Statement II is true
  4. Both Statement I and Statement II are true
NEET (UG) 2023
9

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

  1. A-II, B-III, C-I, D-IV
  2. A-II, B-I, C-IV, D-III
  3. A-III, B-IV, C-II, D-I
  4. A-I, B-II, C-IV, D-III
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10

In cockroach, excretion is brought about by – Choose the correct answer from the options given below :

  1. A, B and E only
  2. B, C and D only
  3. B and D only
  4. A and E only
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11

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

  1. Presence of anal styles
  2. Presence of sclerites
  3. Presence of anal cerci
  4. Dark brown body colour and anal cerci
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All NEET Zoology chapters
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Class 12Human ReproductionReproductive HealthEvolutionHuman Health and DiseaseBiotechnology: Principles and ProcessesBiotechnology and its ApplicationsBiology Experimental Skills