Animals Structural Organisations MCQ

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• Which of these is not present in frog?
  ক

  Renal portal system

  খ

  Enucleated erythrocytes

  গ

  Hepatic portal system

  ঘ

  Lymphatic system
• In frog, the ventricle opens into ______
  ক

  conus arteriosus

  খ

  sinus venosus

  গ

  hepatic portal vein

  ঘ

  vena cava
• What is the shape of the sinus venosus?
  ক

  Spherical

  খ

  Irregular

  গ

  Triangular

  ঘ

  Cylindrical
• How many chambers are present in a frog’s heart?
  ক

  2

  খ

  4

  গ

  3

  ঘ

  5
• During aestivation in frogs, gaseous exchange takes place through ______
  ক

  Anaerobic respiration

  খ

  Stored oxygen

  গ

  Lungs

  ঘ

  Skin
• Frogs have a lymphatic system. True or false?
  ক

  True

  খ

  False
• Cutaneous respiration in frogs takes place by _______
  ক

  endosmosis

  খ

  active transport

  গ

  diffusion

  ঘ

  exosmosis
• What type of respiration is shown by frogs in water?
  ক

  pulmonary respiration

  খ

  Branchial respiration

  গ

  Subcutaneous respiration

  ঘ

  Cutaneous respiration
• In frogs, the undigested food passes out through the ______
  ক

  cloaca

  খ

  rectum

  গ

  anus

  ঘ

  intestine
• Where does final digestion take place in frogs?
  ক

  Rectum

  খ

  Cloaca

  গ

  Intestine

  ঘ

  Bidder’s canal
• Pancreatic juice is delivered to the duodenum by the _______
  ক

  pancreatic duct

  খ

  common bile duct

  গ

  parotid duct

  ঘ

  hepatic duct
• In frogs, chyme is passed to the ______
  ক

  duodenum

  খ

  ileum

  গ

  jejunum

  ঘ

  cloaca
• Which of these is not a characteristic feature of Rana tigrina?
  ক

  Webbed feet

  খ

  Bilobed tongue

  গ

  Thick, leathery skin

  ঘ

  Membranous tympanum
• Where is bile stored in the body of frog?
  ক

  Pancreas

  খ

  Liver

  গ

  Gall bladder

  ঘ

  Bidder’s canal
• Which of these organs secrete bile?
  ক

  Kidney

  খ

  Spleen

  গ

  Gall bladder

  ঘ

  Liver
• Which of these characteristics of frog is the reason for its short alimentary canal?
  ক

  Carnivorous

  খ

  Sexual dimorphism

  গ

  Amphibian

  ঘ

  Chordate
• Frogs are ______
  ক

  herbivores

  খ

  omnivores

  গ

  carnivores

  ঘ

  scavengers
• Where are the copulatory pads in male frog present?
  ক

  Second digit of the hindlimbs

  খ

  First digit of the hindlimbs

  গ

  First digit of the forelimbs

  ঘ

  Second digit of the forelimbs
• Which of this is not a distinguishing feature of a male frog?
  ক

  Narrow abdomen

  খ

  Copulatory pad

  গ

  Vocal sacs

  ঘ

  Moist, slippery skin
• Frogs show sexual dimorphism. True or false?
  ক

  True

  খ

  False
• How many digits does the forelimb and hindlimb of frog have respectively?
  ক

  3, 4

  খ

  5, 4

  গ

  4, 5

  ঘ

  4, 3
• Which of these structures in frog receive sound signals?
  ক

  Webbed feet

  খ

  Skin

  গ

  Nictitating membrane

  ঘ

  Tympanum
• Which of these structures protects the eyes of the frog in water?
  ক

  Nictitating membrane

  খ

  Tympanum

  গ

  Bidder’s canal

  ঘ

  Cloaca
• Which of these are the divisions of the body of a frog?
  ক

  Head, trunk, abdomen

  খ

  Head, thorax, abdomen

  গ

  Head, trunk

  ঘ

  Head, thorax, trunk
• Which of these describes the skin of frog?
  ক

  Thick, leathery

  খ

  Smooth, slippery

  গ

  Hard, dry

  ঘ

  Thin, membranous
• Which of these statements is false about frogs?
  ক

  They do not aestivate

  খ

  They change color

  গ

  They live in burrows

  ঘ

  They hibernate
• Which of these methods are utilized by frogs for protection?
  ক

  Speed

  খ

  Spikes

  গ

  Mimicry

  ঘ

  Playing dead
• Frogs are _______
  ক

  homeothermic

  খ

  warm-blooded

  গ

  poikilothermic

  ঘ

  heterothermic
• Which of these statements is true about frog?
  ক

  It lives both on land and in sea water

  খ

  They cannot survive in freshwater

  গ

  Rana tigrina is a rare species

  ঘ

  They belong to class Amphibia
• How many ovarioles are present in a female cockroach?
  ক

  16

  খ

  8

  গ

  10

  ঘ

  6