In a field experiment, autotrophs are provided a 14C-labelled carbon compound for photosynthesis. Radioactivity (14C) levels were then monitored at regular intervals in all the trophic levels. In which ecosystem is the radioactivity likely to be detected in longer time at the higher trophic level?

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#Question id: 3439

#SCPH28 | Zoology

Male insects attempt to mate with orchids but eventually stop responding to them. What term best applies to this behavior?

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#Question id: 3520

#SCPH06 I Botany

flower colour  in plant  RR- red , rr- white , Rr- pink  and height of plant ( TT,Tt-tall)  ,(tt- dwarf), If cross allowed between plant RrTt X Rrtt, then what probability of progeny plant having pink flower and dwarf variety ?

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#Question id: 8897

#SCPH06 I Botany

Which of the following statements would be least acceptable to most zoologists?

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#Question id: 19833

#SCPH05 I Biotechnology

Correct structure of SF₄ is

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#Question id: 14734

#SCPH05 I Biotechnology

Among the following which bacteria shows corkscrew movement?

1. Treponema pallidum

2. Leptospira

3. Borrelia burgdorferi

4. Brachyspira pilosicoli

Which among the following combination is correct?