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Orders Odonata and Ephemeroptera exhibit Paleopterous wing conditions, lacking the wing-flexing mechanism found in Neoptera. Neopterous: Wings capable of folding over the back, providing flexibility; common in most living insects. Paleopterous: Lack wing-flexing mechanism, wings unable to fold flat over the back; found in orders like Odonata and Ephemeroptera. Importance lies in evolutionary adaptations and relationships among insect groups.
In which crop and year was the first All India Co-ordinated Research Project set up in India with the assistance of Rockefeller Foundation of the USA?
The source of Xa-21 gene in rice is:
Pradhan Mantri Fasal Beema Yojana started in which year?
Which equipment for seeding and fertilizer application was developed by CCSHAU Hisar?
Match List I with List II :
Choose the correct answer...
India is known as the land of
Soyabean is known as
Ooze test is used for the detection of ___
Displacement is a _____ quantity:
Fully opened blossoms in apple may be killed at temperature below
