Multiple Choice Questions

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Which of the following pairs is correctly matched?

  • Cartilaginous joint - Skull bones

  • Hinge joint - Between vertebrae

  • Fibrous joint - Between phalanges

  • Gliding joint - Between zygapophyses of the successive vertebrae


D.

Gliding joint - Between zygapophyses of the successive vertebrae

Gliding joint is present between zygapophyses of the successive vertebrae.


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In contrast to annelids the platyhelminthes show

  • radial symmetry

  • presence of pseudocoel

  • bilateral symmetry

  • absence of body cavity


Haemophilia is more commonly seen in human males than in human females because

  • this disease is due to an X- linked dominant mutation

  • a greater proportion of girls die in infancy

  • this disease is due to an X- linked recessive mutation

  • this disease is due to a Y- linked recessive mutation


Epithelial cells ofthe intestine involved in food absorption have on their surface

  • pinocytic vesicles

  • phagocytic vesicles

  • zymogen granules

  • micro-villi


Protein synthesis in an animal cell occurs

  • only on the ribosomes present in cytosol

  • on ribosomes present in cytoplasm as well as in mitochondria

  • only on ribosomes attached to the nuclear envelope and endoplasmic reticulum

  • on ribosomes present in the nucleolus as well as in cytoplasm


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One of the examples of the action of the autonomous nervous system is

  • knee-jerk response

  • pupillary reflex

  • swallowing of food

  • peristalsis of the intestines


The ability of the venus flytrap to capture insects is due to

  • chemical stimulation by the prey

  • a passive process requiring no special ability on the part of the plant

  • specialized "muscle-like" cells

  • rapid turgor pressure changes


Secretin and cholecystokinin are digestive hormones. They are secreted in

  • oesophagus

  • ileum

  • duodenum

  • pyloric stomach


Parkinson's disease (characterized by tremors and progressive rigidity of limbs) is caused by degeneration of brain neurons that are involved in movement control and make use of neurotransmitter

  • acetylcholine

  • norepinephrine

  • dopamine

  • GABA


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An acromian process is characteristically found in the

  • pelvic girdle of mammals

  • skull of frog

  • pectoral girdle of mammals

  • sperm of mammals