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Structural Organisation in Animals · Question 59

AIPMT 2011 (Mains)MCQMedium📈 Topic in 38% papers+4−1
1

Consider the following four statements (A–D) related to the common frog Rana tigrina, and select the correct option stating which ones are true (T) and which ones are false (F). Statements:

  1. A-T, B-F, C-F, D-T
  2. A-T, B-T, C-F, D-F
  3. A-F, B-F, C-T, D-T
  4. A-F, B-T, C-T, D-F

Answer

(1) A-T, B-F, C-F, D-T

Solution

A. On land the frog ventilates its lungs by buccopharyngeal movements, and its skin respiration needs a moist skin; kept on dry land with the mouth forcibly closed for a few days, it cannot get enough oxygen and dies. ⇒ True.

B. As per NCERT, the frog heart has three chambers – two atria and one ventricle. ⇒ False.

C. As per NCERT, the frog excretes urea (ureotelic); it does not turn uricotelic on land. ⇒ False.

D. Fertilisation is external in water and the tadpole larva develops in pond water. ⇒ True.

∴ A-T, B-F, C-F, D-T

Answer: (1)

AIPMT 2011 (Mains)

Keep practising — Structural Organisation in Animals

2

Ureters act as urinogenital ducts in

  1. human males
  2. human females
  3. both male and female frogs
  4. male frogs
AIPMT 2011 (Mains)
3

The type of muscles present in our

  1. heart is involuntary and unstriated smooth muscles
  2. intestine is striated and involuntary
  3. thigh is striated and voluntary
  4. upper arm is smooth muscle and fusiform in shape.
AIPMT 2011 (Mains)
4

Frogs differ from humans in possessing :

  1. hepatic portal system
  2. paired cerebral hemispheres
  3. nucleated red blood cells
  4. thyroid as well as parathyroid
AIPMT 2011 (Mains)
5

The cells lining the blood vessels belong to the category of :

  1. Squamous epithelium
  2. Columnar epithelium
  3. Connective tissue
  4. Smooth muscle tissue
AIPMT 2011 (Mains)
6

Which one of the following structures in Pheretima is correctly matched with its function ?

  1. Gizzard - absorbs digested food
  2. Setae - defence against predators
  3. Typhlosole - storage of extra nutrients
  4. Clitellum - secretes cocoon
AIPMT 2011 (Mains)
7

The ciliated columnar epithelial cells in humans are known to occur in :

  1. Eustachian tube and stomach lining
  2. Bile duct and oesophagus
  3. Fallopian tubes and urethra
  4. Bronchioles and Fallopian tubes
AIPMT 2011 (Prelims)
8

One very special feature in the earthworm Pheretima is that :

  1. The S-shaped setae embedded in the integument are the defensive weapons used against the enemies
  2. It has a long dorsal tubular heart
  3. The typhlosole greatly increases the effective absorption area of the digested food in the intestine
  4. Fertilisation of eggs occurs inside the body
AIPMT 2011 (Prelims)
9

Which of the following is correctly stated as it happens in the common cockroach?

  1. Oxygen is transported by haemoglobin in blood
  2. The food is ground by mandibles and gizzard
  3. Nitrogenous excretory product is urea
  4. Malpighian tubules are excretory organs projecting out from the colon
AIPMT 2011 (Prelims)
10

The cells lining the blood vessels belong to the category of :

  1. Columnar epithelium
  2. Connective tissue
  3. Smooth muscle tissue
  4. Squamous epithelium
AIPMT 2010 (Prelims)
11

If a live earthworm is pricked with a needle on its outer surface without damaging its gut, the fluid that comes out is

  1. coelomic fluid
  2. haemolymph
  3. slimy mucus
  4. excretory fluid
AIPMT 2009

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