Development of embryo from the cells of the nucellus is called
Parthenocarpy
Apocarpy
Adventive embryony
Apospory
Choose correct option ($T$ = true, $F$ = false).
- If zygote develops out side the body, the animal is oviparous.
- In flowering plants, zygote is formed inside the ovule.
- During embryogenesis, embryo show only cell differentiation.
- In flowering plants, the ovary develops into the fruit.
In sexual reproduction, offsprings resemble the parents
Choose correct pair :
Identify $X, Y$ and $Z$ and select the correct option
Which of the following statements is incorrect ?
$(i)$ Bamboo species flower only once in their life time, generally after $50-100$ years and produce large number of fruits and die.
$(ii)$ In animals, the juvenile phase is followed by morphological and physiological changes prior to active reproductive behaviour.
$(iii)$ The reproductive phase is of same duration in all organisms.
$(iv)$ Juvenile phase is the period of growth between the birth of an individual till it reaches reproductive maturity.