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AP Intermediate 1st Year Structural Organisation in Animals — practice questions — page 2

Explore 50 free Structural Organisation in Animals questions in AP Intermediate 1st Year Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Structural Organisation in Animals questions and exercises with answers

Showing questions 31–50 of 50.

CARDIAC MUSCLE is unique because it is:Read the answer and worked solution →Adipose tissue (fat storage) is a type of:Read the answer and worked solution →The NICTITATING MEMBRANE in frogs is best described as:Read the answer and worked solution →The frog heart has how many chambers?Read the answer and worked solution →Metamorphosis in frogs (tadpole to adult) is regulated mainly by:Read the answer and worked solution →In frog reproduction, AMPLEXUS refers to:Read the answer and worked solution →NEET · Biology · Epithelial or Connective TissueRead the answer and worked solution →The epithelium made of a single thin layer of flattened cells is:Read the answer and worked solution →Squamous epithelium lines the air sacs of lungs and the walls of:Read the answer and worked solution →The main role of squamous epithelium is to form a:Read the answer and worked solution →The epithelium made of a single layer of cube-like cells is:Read the answer and worked solution →The main functions of cuboidal epithelium are secretion and:Read the answer and worked solution →Which part of the nephron has an epithelium bearing microvilli?Read the answer and worked solution →Tall and slender cells with nuclei at the base form the:Read the answer and worked solution →Columnar epithelium is found in the lining of the intestine and the:Read the answer and worked solution →Ciliated epithelium works to move particles or:Read the answer and worked solution →Which junction stops substances leaking across a tissue?Read the answer and worked solution →Which junction cements neighbouring cells together?Read the answer and worked solution →Which junction lets cells communicate by connecting their cytoplasm?Read the answer and worked solution →Cartilage cells are called:Read the answer and worked solution →

Worked practice questions

CARDIAC MUSCLE is unique because it is:

  1. Striated and voluntary (like skeletal muscle)
  2. Non-striated and involuntary (like smooth muscle)
  3. Striated AND involuntary, with intercalated discs
  4. Smooth and voluntary, controlled at will
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Correct answer: C. Striated AND involuntary, with intercalated discs

Cardiac muscle is STRIATED (like skeletal) but INVOLUNTARY (like smooth). Cells branched + uninucleate, with INTERCALATED DISCS that synchronise contraction. Found only in the heart.

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Adipose tissue (fat storage) is a type of:

  1. Epithelial tissue (lines body cavities all over)
  2. Muscle tissue (contractile cells in body)
  3. Neural tissue (signal transmission cells)
  4. Connective tissue (loose, for fat storage)
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Correct answer: D. Connective tissue (loose, for fat storage)

Adipose tissue is a type of LOOSE CONNECTIVE tissue, specialised for storing FAT. **Other connective tissues:** areolar, cartilage, bone, blood. Stores energy, insulates, cushions.

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The NICTITATING MEMBRANE in frogs is best described as:

  1. A muscular vibrating tissue for hearing
  2. A specialised tongue tip for capturing prey
  3. A scale-like covering of dorsal skin
  4. A transparent third eyelid for eye protection
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Correct answer: D. A transparent third eyelid for eye protection

The nictitating membrane is a TRANSPARENT THIRD EYELID found in frogs (and many other animals). It moves horizontally across the eye, protecting it (especially underwater) while preserving vision.

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