Biological Evolution
BIOXII07:EVOLUTION

346358 Lamarckism cannot explain

1 Heterophylly
2 Webbed toes in aquatic birds
3 Weak muscles in the son of a wrestler
4 Long narrow and limbless body of snakes
BIOXII07:EVOLUTION

346359 Experements involving shifting of micro organisms from culture plate (antibiotics) to culture plate (with antibiotics) indicate.

1 Characters are heritable
2 Natural selection plays an important role in fixing a mutation of survival value
3 Genes are independent entities
4 Bacteria can multiply in culture medium
BIOXII07:EVOLUTION

346360 Micro organisms are shifted from a culture plate (no antibiotics) to a different culture plate (with antibiotics). What conclusion can be inferred?

1 Already existed adaptive mutations provide selection advantage to the individuals of a population
2 Already existed harmful mutations provides selection advantage to the individuals of a population
3 Individuals of a population develop new characters in response to changed environment which helps in their selection
4 Any change in environment doesn't affect the individuals of a population
BIOXII07:EVOLUTION

346361 Darwins theory suggests

1 Size of organs increase with ageing
2 There should be some genetic basis of inheritance
3 Development of organs is due to will power of the organism.
4 Useful organs become strong and developed while useless organs become extinct
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BIOXII07:EVOLUTION

346358 Lamarckism cannot explain

1 Heterophylly
2 Webbed toes in aquatic birds
3 Weak muscles in the son of a wrestler
4 Long narrow and limbless body of snakes
BIOXII07:EVOLUTION

346359 Experements involving shifting of micro organisms from culture plate (antibiotics) to culture plate (with antibiotics) indicate.

1 Characters are heritable
2 Natural selection plays an important role in fixing a mutation of survival value
3 Genes are independent entities
4 Bacteria can multiply in culture medium
BIOXII07:EVOLUTION

346360 Micro organisms are shifted from a culture plate (no antibiotics) to a different culture plate (with antibiotics). What conclusion can be inferred?

1 Already existed adaptive mutations provide selection advantage to the individuals of a population
2 Already existed harmful mutations provides selection advantage to the individuals of a population
3 Individuals of a population develop new characters in response to changed environment which helps in their selection
4 Any change in environment doesn't affect the individuals of a population
BIOXII07:EVOLUTION

346361 Darwins theory suggests

1 Size of organs increase with ageing
2 There should be some genetic basis of inheritance
3 Development of organs is due to will power of the organism.
4 Useful organs become strong and developed while useless organs become extinct
BIOXII07:EVOLUTION

346358 Lamarckism cannot explain

1 Heterophylly
2 Webbed toes in aquatic birds
3 Weak muscles in the son of a wrestler
4 Long narrow and limbless body of snakes
BIOXII07:EVOLUTION

346359 Experements involving shifting of micro organisms from culture plate (antibiotics) to culture plate (with antibiotics) indicate.

1 Characters are heritable
2 Natural selection plays an important role in fixing a mutation of survival value
3 Genes are independent entities
4 Bacteria can multiply in culture medium
BIOXII07:EVOLUTION

346360 Micro organisms are shifted from a culture plate (no antibiotics) to a different culture plate (with antibiotics). What conclusion can be inferred?

1 Already existed adaptive mutations provide selection advantage to the individuals of a population
2 Already existed harmful mutations provides selection advantage to the individuals of a population
3 Individuals of a population develop new characters in response to changed environment which helps in their selection
4 Any change in environment doesn't affect the individuals of a population
BIOXII07:EVOLUTION

346361 Darwins theory suggests

1 Size of organs increase with ageing
2 There should be some genetic basis of inheritance
3 Development of organs is due to will power of the organism.
4 Useful organs become strong and developed while useless organs become extinct
BIOXII07:EVOLUTION

346358 Lamarckism cannot explain

1 Heterophylly
2 Webbed toes in aquatic birds
3 Weak muscles in the son of a wrestler
4 Long narrow and limbless body of snakes
BIOXII07:EVOLUTION

346359 Experements involving shifting of micro organisms from culture plate (antibiotics) to culture plate (with antibiotics) indicate.

1 Characters are heritable
2 Natural selection plays an important role in fixing a mutation of survival value
3 Genes are independent entities
4 Bacteria can multiply in culture medium
BIOXII07:EVOLUTION

346360 Micro organisms are shifted from a culture plate (no antibiotics) to a different culture plate (with antibiotics). What conclusion can be inferred?

1 Already existed adaptive mutations provide selection advantage to the individuals of a population
2 Already existed harmful mutations provides selection advantage to the individuals of a population
3 Individuals of a population develop new characters in response to changed environment which helps in their selection
4 Any change in environment doesn't affect the individuals of a population
BIOXII07:EVOLUTION

346361 Darwins theory suggests

1 Size of organs increase with ageing
2 There should be some genetic basis of inheritance
3 Development of organs is due to will power of the organism.
4 Useful organs become strong and developed while useless organs become extinct