Regeneration was first discovered in
Hydra
Planaria
Sponges
Amoeba
Related Questions
What is illustrated by the statement ‘Nothing lives forever, yet life continues’?
Metabolism
Embryogenesis
Reproduction
Replication
Which of the following are considered as the twin characteristics of growth?
I. Responses to stimuli
II. Increases in mass
III. Increases in the number of individuals
IV. Increases in width
I and II
II and IV
I and III
III and IV
Reproduction is synonymous with growth in which of the following set of organisms?
Bacteria, unicellular algae and Amoeba
Bacteria, Amoeba and fungi
Unicellular algae and fungi
Unicellular algae and filamentous algae
Prions, infectious protein particles, can induce conformational changes in normal proteins, leading to diseases like Creutzfeldt-Jakob disease. While exhibiting self-propagation, prions lack genetic material. Do prions challenge the conventional definition of living organisms, and why?
No, because they are composed of organic molecules.
Yes, because they lack heritable genetic material yet exhibit a form of 'reproduction'.
No, because they interact with living organisms.
Yes, because they cause disease.
Growth in living organisms is due to:
Increase in cell number and size
Accumulation of water
Synthesis of new protoplasm
Increase in non-living matter
Regeneration was first discovered in
Hydra
Planaria
Sponges
Amoeba
Which process is essential for the continuity of life?
Nutrition
Respiration
Reproduction
Excretion
Read the following features and select the correct option from the options given below with respect to living beings
I. They reproduce
II. They metabolise
III. They have cellular organisation
IV. They have ability to respond to stimuli
I and III are true
I and II are true
Only III is true
All are true
A defining property or characteristic of living organisms is
Increase in mass
Development
Response to external stimuli
Growth
Which of the following processes demonstrates adaptation in living organisms?
A stone weathering over time
Formation of rust on iron
Development of camouflage in a chameleon
Sugar dissolving in water
