HomeBrowseBy SubjectTrendsDeep InsightsInsightsAbout
Start free trial
Home / Biofertilizer / Chronology

Biofertilizer

2 PYQ across 1 exam · 2001–2010 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

20011 PYQ
CSEQ30
Which one of the following organisms can serve as a biofertilizer for rice crop? (2001)…
20101 PYQ
CSEQ53
Which feature of some species of blue-green algae helps promote them as bio-fertilizers?…
Related concepts — explore their timelines too
Nitrogen fixation
← Back to Biofertilizer
CrispUPSC · YouTube · Telegram · About · What’s New · invite-only beta
💬 Feedback

Send feedback