The polysaccharide stored in human liver and muscles is: MCQ with Answer and Explanation

Explanation:
The placenta is the organ that attaches to the uterine wall and facilitates exchange of nutrients, oxygen, and wastes between mother and fetus. The umbilical cord connects the fetus to the placenta. The amnion forms a protective fluid-filled sac.

Explanation:
Bt cotton is a transgenic crop developed by inserting cry genes (e.g., cryIAc, cryIIAb) from the soil bacterium Bacillus thuringiensis (Bt). These genes code for crystal proteins (Cry proteins) that are toxic to certain insect pests, particularly the cotton bollworm. When the insect ingests the protein, it is activated in its alkaline gut, creating pores in the gut lining, leading to the insect's death.

Explanation:
Implantation occurs about 6-7 days after fertilization, when the blastocyst embeds into the endometrium. Fertilization is sperm-egg fusion, ovulation egg release, menstruation shedding.