NEET Botany Biological Classification Questions Solved


Which one of the following shows heterothallism?

(1) Rhizopus

(2) Bacterium

(3) Cycas

(4) Ricinus

Audio Explanation:


(1) Heterothalism was discovered by AF Blackeslee (1904) in Rhizopus stolonifer. In this phenomenon, fungi shows fusion of gametes which belong to genetically, morphologically and physiologically dissimilar mycelia normally referred as positive and negative strains.

 

Difficulty Level:

  • 49%
  • 15%
  • 26%
  • 13%