Identify $X$ and $Y$ in given figure
$X-$ oogonium, $Y-$ antheridium
$X-$ antheridium, $Y-$ Oogonium
$X-$ Oogonium, $Y-$ Carpel
$X-$ Antheridium, $Y-$ Stamen
Pair of chromosomes in maize
Choose correct pair :
Which of the following option is not correct about sexual reproduction
$(I)$ Gametes fuse to form the zygote
$(II)$ It is an elaborate, complex and fast process as compared to asexual reproduction
$(III)$ Offspring sare not identical to the parents
...... is the vital link that ensures continuity of species between organisms of one generation and the next generation
Match column $I$ with column $II$ and select the correct option using the codes given below.
Column $-I$ | Column $-II$ |
$(A)$ Pistils fused together | $(i)$ Gametogenesis |
$(B)$ Formation of gametes | $(ii)$ Pistillate |
$(C)$ Hyphae of higher Ascomycetes | $(iii)$ Syncarpous |
$(D)$ Unisexual female flower | $(iv)$ Dikaryotic |