Which hormone is released during breastfeeding to eject milk? MCQ with Answer and Explanation

Explanation:
Cross-pollination (allogamy) involves transfer between genetically different plants of the same species, promoting genetic variation. Self-pollination occurs within the same flower or plant. Fertilization is gamete fusion, dispersal is seed/fruit spread. Agents of cross-pollination include wind, insects, water, birds.

Explanation:
RNA polymerase binds to the promoter region of DNA and synthesizes a complementary RNA strand during transcription. DNA polymerase synthesizes DNA, ligase joins DNA fragments, helicase unwinds DNA.

Explanation:
Fats provide about 9 kcal per gram, while carbohydrates and proteins provide about 4 kcal/g each. Vitamins are not energy-yielding. Therefore, fats are the most energy-dense macronutrient, serving as long-term energy storage. However, carbohydrates are the primary fuel. Excess fat storage leads to obesity. Fats also aid in absorption of fat-soluble vitamins.