Swan-necked flask experiment proved

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6.Evolution

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Swan-necked flask experiment proved

Biogenesis

Abiogenesis

Gene therapy

Both $(a)$ and $(b)$

Solution

Pasteur performed a swan-necked flasked experiment for proving biogenesis (Germ theory), all the living oranisms have originated from other living organisms(germs$/$spores). This experiment disproved the concept of spontaneous generation completely.

Standard 12

Biology

Phenomenon of 'industrial melanism' demonstrates

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In the developmental history of mammalian heart, it is observed that it passes through a two-chambered fish-like heart, three-chambered frog-like heart and finally four-chambered stage. To which hypothesis can this above cited statement be approximated

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(AIPMT-1998)

The origin of species from pre-existing species is

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$A$ : Lycaenops is a connecting link between reptiles and mammals.
$R$ : In permian period there was origin of mammal like reptiles.

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Development of patagia in animals is an

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Swan-necked flask experiment proved

Solution

Similar Questions

Phenomenon of 'industrial melanism' demonstrates

In the developmental history of mammalian heart, it is observed that it passes through a two-chambered fish-like heart, three-chambered frog-like heart and finally four-chambered stage. To which hypothesis can this above cited statement be approximated

The origin of species from pre-existing species is

$A$ : Lycaenops is a connecting link between reptiles and mammals. $R$ : In permian period there was origin of mammal like reptiles.

Development of patagia in animals is an

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$A$ : Lycaenops is a connecting link between reptiles and mammals.
$R$ : In permian period there was origin of mammal like reptiles.