Regeneration and Ageing (AIPVT)
Aging death regeneration Reproduction in Animals
Questions
During which phase of the regeneration of limbs in salamander do the epidermal cells migrate to the site of injury?
- Blastema formation
- Growth
- Morphogenesis
- Wound healing
Which is the only human tissue that completely regenerates after disruption and interruption of morphology?
- Liver
- Kidney
- Endometrium
- Finger
Which was the first artificially regenerated human organ?
- Heart
- Penis
- Bladder
- Lung
Nuclear pyknosis refers to
- decrease in the amount of nucleoplasm on ageing
- shrinking of nucleus and its staining deeply
- degeneration of nuclear membrane
- decrease in genetic material inside the nucleus
Which part of the human body is regenerated in coelenterates?
- Limbs
- Fragmented body part
- Head
- Arm
What is/are the type(s) of growth in warm-blooded animals?
- Indeterminate
- Determinate
- Uncontrolled
- Both (1) and (3)
Which part(s) of arthropods regenerate(s) after being lost?
- Arms
- Limbs
- Head
- Foot
According to ________, ageing is caused due to increase in number of bonds between proteins and nucleic acid molecules in cells.
- gene theory
- cross-linkage theory
- metabolic rate theory
- error catastrophe theory
Which cells do not have the ability to regenerate naturally?
- Liver cells
- Kidney cells
- Nerve cells
- Epidermal cells
According to immunity theory, ageing is caused by the disappearance of
- thyroid
- pineal
- thymus
- pituitary
What does macular degeneration result in?
- Loss of sense of smell
- Loss of vision
- Loss of hearing
- Insensitivity to touch
In which organ(s) is the phenomenon of compensatory hypertrophy seen?
- Human kidney
- Human liver
- Tail of a lizard
- Both (1) and (2)
What is gerontology?
- Treatment of a disease in aged people
- Science of progress in ageing
- Study of diseases during ageing
- Science of women
Who first reported the phenomenon of regeneration?
- Morgon
- Trembley
- Orgel
- Miller
Which of the following changes takes place on ageing?
- Decrease in cholesterol level
- Decrease of calcium content
- Increase in calcium content
- Increase in water retention power