PAR

Q. PAR is ___.

1. Photosensitizing active radiation
2. Photosynthetically active radiation
3. Photosynthetic absorption radiation
4. None of these

Q. Regarding assertion and reason choose the right option
Assertion [A]: Only some fraction of the total solar energy input is utilized by plants.
Reason [R]: Of the total solar radiation, only a certain spectrum is used by plants, and this region of the spectrum is called PAR.

1. Both A and R are true and R explains A
2. Both A and R are true R does not explain A
3. A is true and R is false
4. Both A and R are false

Q. Regarding assertion and reason choose the right option
Assertion [A]: Only some fraction of the total solar energy input is utilized by plants.
Reason [R]: Of the total solar radiation, only a certain spectrum is used by plants, and this region of the spectrum is called PAR.

1. Both A and R are true and R explains A
2. Both A and R are true R does not explain A
3. A is true and R is false
4. Both A and R are false

Q. PAR is ___.

1. Photosensitizing active radiation
2. Photosynthetically active radiation
3. Photosynthetic absorption radiation
4. None of these