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Structural Organisation in Animals · Question 71

AIPMT 2009MCQEasy📈 Topic in 25% papers+4−1
1

Which one of the following is correct pairing of a body part and the kind of muscle tissue that moves it?

  1. Biceps of upper arm – smooth muscle fibres
  2. Iris – Involuntary smooth muscle
  3. Abdominal wall – smooth muscle
  4. Heart wall – Involuntary unstriated muscle

Answer

(2) Iris – Involuntary smooth muscle

Solution

As per NCERT, skeletal muscles (striated, voluntary) are attached to bones, e.g. biceps; the muscles of the abdominal wall are also skeletal muscles.

Cardiac muscle of the heart wall is striated and involuntary.

Smooth muscles are involuntary and unstriated; the muscles of the iris are smooth muscles.

'Iris – Involuntary smooth muscle' is the correct pairing.

Answer: (2)

AIPMT 2009

Keep practising — Structural Organisation in Animals

2

The epithelial tissue present on the inner surface of bronchioles and fallopian tubes is :

  1. Cuboidal
  2. Glandular
  3. Ciliated
  4. Squamous
AIPMT 2009
3

The cell junctions called tight, adhering and gap junctions are found in :

  1. Connective tissue
  2. Neural tissue
  3. Epithelial tissue
  4. Muscular tissue
AIPMT 2009
4

The kind of tissue that forms the supportive structure in our pinna (external ears) is also found in -

  1. vertebrae
  2. tip of the nose
  3. ear ossicles
  4. nails
AIPMT 2009
5

Earthworms have no skeleton but during burrowing the anterior end becomes turgid and acts as a hydraulic skeleton. It is due to:

  1. coelomic fluid
  2. gut peristalsis
  3. blood
  4. setae
AIPMT 2008
6

Which one of the following is the true description about an animal concerned?

  1. Frog — Body divisible into three regions-head, neck and trunk
  2. Rat — Left kidney is slightly higher in position than the right one
  3. Earthworm — The alimentary canal consists of a sequence of pharynx, oesophagus, stomach, gizzard and intestine
  4. Cockroach — 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen)
AIPMT 2008
7

In which one of the following preparations are you likely to come across cell junctions most frequently?

  1. Thrombocytes
  2. Tendon
  3. Hyaline cartilage
  4. Ciliated epithelium
AIPMT 2007
8

Bowman's glands are found in

  1. juxtamedullary nephrons
  2. olfactory epithelium
  3. external auditory canal
  4. cortical nephrons only
AIPMT 2006
9

Areolar connective tissue joins-

  1. Bones with muscles
  2. Bones with bones
  3. Fat body with muscles
  4. Integument with muscles
AIPMT 2006
10

Mast cells secrete-

  1. Histamine
  2. Hippurin
  3. Haemoglobin
  4. Myoglobin
AIPMT 2006
11

Mast cells of connective tissue contain -

  1. Heparin and calcitonin
  2. Heparin and histamine
  3. Vasopressin and relaxin
  4. Serotonin and melanin
AIPMT 2004

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