What Marks The End Of Reproductive Phase?

What marks the beginning of reproductive phase in higher plants?

The end of juvenile/vegetative phase which marks the beginning of the reproductive phase can be seen easily in the higher plants when they come to flower..

What is juvenile or vegetative phase?

(i) Juvenile phase. All organisms have to reach a certain stage of growth and maturity in their life, before they can reproduce sexually. This period of growth is called juvenile phase or vegetative phase (term used in plants).

What marks the end of juvenile phase?

Answer. The end of the Juvenile phase or Vegetative phase in flowering plants is marked by the beginning of Reproductive phase and reproductive phase can be seen easily in the plants when they come to flower.

Which of the following plant shows unusual flowering phenomenon?

Strobilanthus kunthianus plantStrobilanthus kunthianus plant produces flowers once in 12 years which is its unique flowering phenomenon.

Which of the following is a post fertilization event in flowering plants?

So, the correct answer is ‘Embryo development’.

How the reproductive phase is marked in plants?

Sexual Reproduction in Plants and Animals: These gametes fuse to form a new cell called zygote, which grows and develops into a new individual. … This phase is followed by another phase called reproductive phase. ADVERTISEMENTS: The end of reproductive phase is marked by the onset of another phase called senescent phase.

Which is better mode of reproduction?

Sexual mode of reproduction is better mode than asexual because in sexual mode there is fusion of male and female gametes through which we get variation in offspring as compared to their parents. Question3. Why is offspring formed by asexual reproduction referred to as clone?

Is a plant that flowers once in 12 years?

One of the rarest flowers in the world, the Neelakurinji blooms just once every 12 years in India’s south-western state of Kerala, when it covers the hills in a violet hue.

What is the special feature about flowering in Strobilanthes Kunthiana Neelakurinji )?

The unique feature of this flower is that it blooms once in 12 years! The species name kunthiana has been derived from the River Kunthi which flows through the rich expanse of the renowned Silent Valley National Park in Kerala. Kurinji flower normally grows on the hill slopes where there is little or no tree forest.

How long does it take for Marigold to come to flower?

approximately 3 monthsMarigold , rice and wheat are annual plants hence they will flower in the same year in which the seed is sown. It takes approximately 3 months to flower after sowing the seeds.

What is the result of reproduction?

Reproduction is a fundamental feature of all known life; each individual organism exists as the result of reproduction. There are two forms of reproduction: asexual and sexual. … By asexual reproduction, an organism creates a genetically similar or identical copy of itself.

What is reproductive phase of life span?

(2)Reproductive phase – It is the time when a human organism sexually reproduces. (3) Senescent phase – It is the time when an organism grows older and loses the reproductive capacity.

What is reproductive phase in plants?

Phases of plant development. During sexual reproduction, gametes are produced (gametophytic phase). After fertilization, populations of stem cells are established at the opposing ends of the primary growth axis of the developing embryo, forming the root apical meristem (RAM) and the shoot apical meristem (SAM) (red).

What is unusual flowering phenomenon?

Flowering in Bamboo plant is considered a unique flowering process because this type of flowering is very rare and unique in plant kingdom. Bamboo plant produces spectacular flowers once every 60 to 130 years, depending upon the species. Similarly, a plant of Neela kuranagi exhibit flowers once in 12 years.

What is the significance of reproduction?

The main significance of reproduction is to maintain continuity of species. It also helps in studying evolution as sexual reproduction results in variation among the species.