CBSE Class 12-science Answered

an area is sprayed with DDT by an aircraft what happens to the nearby lake a. mortality of fishes b. no effect

Asked by kaintkaku | 24 Apr, 2018, 10:15: PM

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When an area is sprayed with DDT by an aircraft, death of fishes can be seen in nearby river because the spray in the nearby agricultural field led to water pollution that led to the death of aquatic animals

Answered by Sivanand Patnaik | 25 Apr, 2018, 11:14: AM

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CBSE 12-science - Biology

Differences between stain and varieities

Asked by dkjainf77 | 09 May, 2019, 10:25: AM

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CBSE 12-science - Biology

Suggest a method to overcome excessive inbreeding depression.

Asked by ramandeep.kaur | 15 Mar, 2019, 02:42: PM

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CBSE 12-science - Biology

an area is sprayed with DDT by an aircraft what happens to the nearby lake a. mortality of fishes b. no effect

Asked by kaintkaku | 24 Apr, 2018, 10:15: PM

ANSWERED BY EXPERT

CBSE 12-science - Biology

How can pollen grains of wheat and rice which tend to lose viability within 30 minutes of their release be made available months later for breeding programmes?