NEET BIOLOGY

Detailed explanation-1: -Mycorrhizae are a symbiotic association between plant roots and fungi. Their major role is to enhance nutrient and water uptake by the host plant by exploiting a larger volume of soil than roots alone can do. Mycorrhizae come in a number of forms, dependent upon both host plant and fungal taxonomy.

Detailed explanation-2: -Mycorrhiza is the symbiotic association of fungi and the roots of plants. It is found in higher plants like Pinus.

Detailed explanation-3: -Mycorrhizas are located in the roots of vascular plants, but mycorrhiza-like associations also occur in bryophytes and there is fossil evidence that early land plants that lacked roots formed arbuscular mycorrhizal associations.

Detailed explanation-4: -Solution : In Pinus, mycorrhizal roots are found and in Cycas coralloid roots are found.

Detailed explanation-5: -Mycorrhizal fungal spores have a high content of lipid globules (Maia & Kimbrough, 1998), and there is no real evidence of parasitism in these structures, as well as in hyphae, which represent an active transport of nutrients.