Q13 / 226 · NTA Abhyas (NEET) 2020 · Zoology · Microbes in Human Welfare
Complete the following paragraph by selecting the correct option for the blanks A, B, and C from the options given below.
The symbiotic association formed by fungi with roots of higher plants is known as .........A...........It is mainly formed by members from the genus........B............The fungal symbiont in these associations is responsible for absorbing .........C..........from the soil and passing it to the plant. It also has many other benefits like resistance to root borne pathogens, tolerance to salinity and drought, etc. ...........D......... seeds cannot germinate and establish without the presence of ..........A........
The symbiotic association formed by fungi with roots of higher plants is known as .........A...........It is mainly formed by members from the genus........B............The fungal symbiont in these associations is responsible for absorbing .........C..........from the soil and passing it to the plant. It also has many other benefits like resistance to root borne pathogens, tolerance to salinity and drought, etc. ...........D......... seeds cannot germinate and establish without the presence of ..........A........
- AA: Lichen; B: Rhizobium; C: Phosphorus; D: Cycas
- BA: Mycorrhiza; B: Glomus; C: Potassium; D: Cycas
- Correct answerCA: Mycorrhiza; B: Glomus; C: Phosphorus; D: Pinus
- DA: Lichen; B: Rhizobium; C: potassium; D: Pinus
Solution
Mycorrhiza is the symbiotic association formed by fungi with the roots of higher plants. Many members from the genus Glomus form this association. The fungal symbiont in these associations is responsible for absorbing phosphorus from the soil and passing it to the plant. Some plants have an obligate association with the mycorrhizae. For example, Pinus seeds cannot germinate and establish without the presence of mycorrhizae.
Hence, the correct answer is option: 'C'.