Double fertilization happens when one sperm cell wires with the egg to create a zygote, and the other sperm cell wires with the two polar cores to make the endosperm.
To answer the above:
Once double fertilization occurs in plants, the zygote is diploid and the endosperm is <span>triploid.</span>
Answer:
Prophase
Explanation:
During this phase the nuclear membrane disappears and chromosomes appear. Centrioles move to the opposite corners and spindle fibre formation starts.
It’s should be 1
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Answer:
Plants grow well at optimum temperature. When the temperature goes too high, plants growth is negatively effected. During high temperature of the surrounding, photosynthesis reaction slow down while respiration rate increases. Due to increase in respiration rate, the growth and development of plants is stopped because more food is utilized for energy production as compared to food production.
