Aeciospores of $Puccinia$ are produced on........

Which of the following statement$(s)$ is/are correct?
$(i)$ Reproduction in fungi can take place by vegetative means - fragmentation and budding.
$(ii)$ Fusion of two nuclei is called plasmogamy.
$(iii)$ Fusion of protoplasms between two motile or non-motile gametes is called karyogamy.
$(iv)$ Meiosis in zygote results in diploid spores.

What is the botanical name of the species that causes white rust of crucifers?

What is the mode of nutrition of the organism shown in the given figure?

Which of the following is $NOT$ a type of sexual reproduction in fungi?

Define the following terms:
$(i)$ Plasmogamy
$(ii)$ Karyogamy