Flavonoids, the prominent inducers of rhizobial nod gene expression, here  Flavonoid inducers Category along with their name and activity is mentioned

Flavonoid inducers Category	Name/activity
1. Flavone	A. Naringenin, a flavanone active on R. leguminosarum bv. viciae
2. Chalcone	B. Daidzein, an isofavone active on B. japonicum
3. Isoavone	C. 4,4’-Dihydroxy-2’- methoxychalcone, a chalcone inducer from Medicago
4. Flavanone	D. Luteolin, a flavone inducer from Medicago spp., active on S. meliloti

Match them correctly

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#Question id: 7506

#General Aptitude

A man sitting in a train which is travelling at 50 kmph observes that a goods train,travelling In opposite direction,takes 9 seconds to paas him. If the goods train is 280 m long,Find its speed.

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#Question id: 7507

#General Aptitude

The lengths of trains A and B are 250 m 300 m respectively and their speeds are 70 km/h and 79 km/h respectively. They are walking in the same direction. In how much time will train B cross a passenger sitting in A?

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#Question id: 7508

#General Aptitude

A boat running downstream covers a distance of 12 km in 2 h while for covering the same distance upstream it takes 3 h. What is the speed of the boat in still water?

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#Question id: 7509

#General Aptitude

A boatman goes 3 km against the current of the stream in 1 h and goes 1 km along the current in 15 min. How long will it take to go 7 km in stationary water?

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#Question id: 7510

#General Aptitude

A boat running upstream takes 5 h 12 min to cover a certain distance, while it takes 4 h to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively?

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#Question id: 7511

#General Aptitude

A man can row 19/2 km/h in still water. If in a river which is running at 5/2 km/h, it takes him 1 h 35 min to row to a place and back, how far off is the place?