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NEET - UG BIOLOGY CHAPTER 1 EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS
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NEET - UG BIOLOGY CHAPTER 1 EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS
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NEET - UG BIOLOGY CHAPTER 1 EXAM2024/2025 WITH 100% ACCURATE
SOLUTIONS
Ernst Mayr - Precise Answer ✔✔evolutionary biologist
who has been called 'The Darwin of the 20th century' ? - Precise Answer
✔✔Ernst Mayr
define 'living ? - Precise Answer ✔✔characteristics exhibited by living
organisms
Unique features of living organisms ? - Precise Answer ✔✔Growth,
reproduction, ability to sense environment and mount a suitable response
One can add a few more features like - - Precise Answer
✔✔metabolism, ability to self-replicate, self-organise, interact and
emergence to this list
twin characteristics of growth - Precise Answer ✔✔Increase in mass and
increase in number of individuals
____________this growth by cell division occurs continuously
throughout their life span - Precise Answer ✔✔In plants
,_________________this growth is seen only up to a certain age. -
Precise Answer ✔✔In animals
cell division occurs in certain tissues to _____________ - Precise
Answer ✔✔replace lost cells
Unicellular organisms grow by ________________ - Precise Answer
✔✔cell division
A multicellular organism grows by _______________ - Precise Answer
✔✔cell division
One can easily observe this in _______________ by simply counting the
number of cells under the microscope. - Precise Answer ✔✔vitro
cultures
In majority of higher animals and plants, growth and reproduction are
______________________ - Precise Answer ✔✔mutually exclusive
events.
One must remember that increase in body mass is considered as
___________ - Precise Answer ✔✔growth
, Non-living objects also grow if we take increase in body mass as a
criterion for growth. - Precise Answer ✔✔Mountains, boulders and sand
mounds do grow
In living organisms, growth is from _________ - Precise Answer
✔✔inside
___________________cannot be taken as a defining property of living
organisms. - Precise Answer ✔✔Growth
___________________ reproduction refers to the production of progeny
possessing features more or less similar to those of parents. Invariably
and implicitly we refer to ___________________ - Precise Answer
✔✔In multicellular organisms, sexual reproduction.
Fungi multiply and spread easily due to the______________________
they produce. - Precise Answer ✔✔millions of asexual spores
In lower organisms like yeast and hydra, we observe
_______________________ - Precise Answer ✔✔budding
In Planaria (flat worms), we observe_______________________ i.e., a
fragmented organism regenerates the lost part of its body and becomes, a
new organism. - Precise Answer ✔✔true regeneration
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