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Structural Organisation in Animals · Question 76

AIPMT 2008MCQMedium📈 Topic in 62% papers+4−1
1

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)

Answer

(4) Cockroach — 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen)

Solution

⇒ Frog: as per NCERT, the body is divisible into head and trunk only; a neck and tail are absent — (1) is incorrect.

⇒ Rat: the right kidney lies slightly higher (more anterior) than the left one — (2) is incorrect.

⇒ Earthworm: the alimentary canal runs mouth → buccal cavity → pharynx → oesophagus → gizzard → stomach → intestine; the gizzard comes before the stomach — (3) is incorrect.

⇒ Cockroach: the respiratory system opens through 10 pairs of spiracles, 2 pairs on the thorax and 8 pairs on the abdomen — (4) is correct.

Answer: (4)

AIPMT 2008

Keep practising — Structural Organisation in Animals

2

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
3

Bowman's glands are found in

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

Areolar connective tissue joins-

  1. Bones with muscles
  2. Bones with bones
  3. Fat body with muscles
  4. Integument with muscles
AIPMT 2006
5

Mast cells secrete-

  1. Histamine
  2. Hippurin
  3. Haemoglobin
  4. Myoglobin
AIPMT 2006
6

Mast cells of connective tissue contain -

  1. Heparin and calcitonin
  2. Heparin and histamine
  3. Vasopressin and relaxin
  4. Serotonin and melanin
AIPMT 2004
7

Ommatidia serve the purpose of photoreception in

  1. cockroach
  2. frog
  3. humans
  4. sunflower.
AIPMT 2003
8

Which one of the following contains the largest quantity of extracellular material ?

  1. Stratified epithelium
  2. Myelinated nerve fibres
  3. Striated muscle
  4. Areolar tissue
AIPMT 2003
9

Which cartilage is present at the end of long bones?

  1. Calcified cartilage
  2. Hyaline cartilage
  3. Elastic cartilage
  4. Fibrous cartilage
AIPMT 2002
10

Melanin protects from:

  1. Infrared rays
  2. U.V. rays
  3. Visible rays
  4. X-rays
AIPMT 2002
11

During an injury, the nasal septum gets damaged. For its recovery, which cartilage is preferred?

  1. Fibrous cartilage
  2. Elastic cartilage
  3. Calcified cartilage
  4. Hyaline cartilage
AIPMT 2001

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