Water vapor exits and CO2 enters a leaf through the stroma r

Water vapor exits and CO2 enters a leaf through the stroma roots somata stomata grana Which of the following is a high-energy nucleotide involved in photosynthesis? NADH NAD+ FADH2 NADPH Ppi Why is chlorophyll green? It reflects green light Because it is green It abosrbs green light Because it absorbs all visible wavelengths of light It provides camouflage

Solution

Answers :

Question numebr 1 : The correct answer is D (Stomata). Stomata plays an important role in regulation of Transpiration. When stomata are open, transpiration rates increase; when they are closed, transpiration rates decrease.

Question number 2 : The correct answer is D (NADPH). It is one of the products of light reactions. The other being the ATP. These light reaction products are utilised in the dark reaction/Calvin cycle for corbon dioxide assimilation.

Question number 3 : The correct answer is A (It reflects green light). The most important light-absorbing pigments in the thylakoid membranes are the chlorophylls, green pigments with polycyclic, planar structures resembling the protoporphyrin of hemoglobin.