The structure that protects the spinal cord is the: MCQ with Answer and Explanation

Explanation:
Photosynthesis converts light energy into chemical energy (glucose) using CO₂ and H₂O, releasing O₂. It occurs in chloroplasts. Respiration breaks down glucose, fermentation is anaerobic, chemosynthesis uses chemical energy.

Explanation:
Fungi reproduce asexually primarily through the formation of spores, which are produced in large numbers in specialized structures like sporangia (in Rhizopus) or conidiophores (in Aspergillus). These spores are highly resistant and can be dispersed by wind, water, or animals. Some fungi, like yeast, also reproduce asexually by budding.

Explanation:
Photosynthesis consists of light-dependent reactions occurring in the thylakoid membranes (grana) where water is split, releasing oxygen, and light-independent reactions (Calvin cycle) occurring in the stroma where CO2 is fixed. The oxygen released during photosynthesis comes from the photolysis of water, not from carbon dioxide. Thus, statements 1 and 2 are correct.