The plant tissue that provides mechanical support and is dead at maturity is: MCQ with Answer and Explanation

Explanation:
The Glycemic Index (GI) is a numerical scale (from 0 to 100) that measures how quickly a carbohydrate-containing food raises blood glucose levels compared to a reference food (usually pure glucose or white bread). Foods with a high GI (like white bread, sugary drinks) cause a rapid spike in blood sugar, while low GI foods (like whole grains, legumes) cause a slower, more gradual rise. It does not measure total carbohydrate amount.

Explanation:
The heart is myogenic because the heartbeat originates in the SA node within the heart itself, not from brain signals. The brain can modulate the rate but not initiate. Thus, A is true, but R is false.

Explanation:
Erythropoietin (EPO), mainly from kidneys, promotes erythropoiesis in bone marrow. Thrombopoietin stimulates platelets, interleukins are immune cytokines, CSFs for white blood cells. EPO is used to treat anemia.