Class 12th Biology 2016 Set1 Delhi Board Paper Solution
Mention the kind of biodiversity of more than a thousand varieties of mangoes in India represent. How is possible?
The different varieties of mangoes in India represent genetic diversity. The vast genetic diversity is because India lies withing tropical latitudes giving it a constant and predictable environment. Also more solar energy is available which leads to higher productivity.
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Fill in the blanks:
(a) Humans reproduce __________. (asexually/sexually)
(b) Humans are__________. (oviparous/viviparous/ovoviviparous)
(c) Fertilization is __________ in humans. (external/internal)
(d) Male and female gametes are __________. (diploid/haploid)
(e) Zygote is __________. (diploid/haploid)
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