What do you mean by double fertilization ? Describe its significance
जीवों में क्रमिक विकास का संक्षिप्त विवरण प्रस्तुत करें।
Describe the evolution of organisms in briel
जैव प्रौद्योगिकी को परिभाषित करें। औषधि के क्षेत्र में इसके योगदान का वर्णन करें।
Define Bio-technology. Describe its role in the field of medicine
पशुपालन से आप क्या समझते हैं ? जैविक कृषि में इसकी भूमिका का वर्णन करें।
What do you mean by Animal husbandary? Explain its role in organica
प्रकृति में जल-चक्र को स्वच्छ नामांकित रेखाचित्रों के माध्यम से दशायें।
Answers
Answer:
Double fertilization involves two sperm cells; one fertilizes the egg cell to form the zygote, while the other fuses with the two polar nuclei that form the endosperm. After fertilization, the fertilized ovule forms the seed while the tissues of the ovary become the fruit.
Answer:
Double fertilization is a complex process which involves the fusion of one female gametophyte with two male gametes”.
The significance of double fertilization is as follows:
The significance of double fertilization is as follows:Two products are obtained as a result of double fertilization.
The significance of double fertilization is as follows:Two products are obtained as a result of double fertilization.There are chances of polyembryony, and the plant has better chances of survival.
The significance of double fertilization is as follows:Two products are obtained as a result of double fertilization.There are chances of polyembryony, and the plant has better chances of survival.Double fertilization gives rise to an endosperm that provides nourishment to the developing embryo.
The significance of double fertilization is as follows:Two products are obtained as a result of double fertilization.There are chances of polyembryony, and the plant has better chances of survival.Double fertilization gives rise to an endosperm that provides nourishment to the developing embryo.It increases the viability of the seeds of angiosperms.
The significance of double fertilization is as follows:Two products are obtained as a result of double fertilization.There are chances of polyembryony, and the plant has better chances of survival.Double fertilization gives rise to an endosperm that provides nourishment to the developing embryo.It increases the viability of the seeds of angiosperms.It utilizes both the male gametes produced by the pollen grains