MCQ
Engelman illuminated spectrum on which algae ?
- AChlamydomonas
- ✓Chladophora
- CAnabena
- DNostoc
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Assertion $(A)$:
Osteoporosis is characterised by decreased bone mass and increased chances of fractures.
Reason $(R)$ :
Common cause of osteoporosis is increased levels of estrogen.
In the light of the above statements, choose the most appropriate answer from the options given below: