The technique of creating a gene library by inserting DNA fragments into plasmid vectors and introducing into bacteria is: MCQ with Answer and Explanation

Explanation:
Vernalization is the process by which many plants, particularly biennials and winter annuals (like winter wheat, cabbage, and carrots), require exposure to a prolonged period of low temperature (cold treatment) before they can initiate flowering. This prevents the plant from flowering in the autumn, ensuring it survives the winter and flowers in the spring or summer. The cold stimulus is perceived by the apical meristem or the germinating seed.

Explanation:
The femur (thigh bone) is the longest, strongest, and heaviest bone, supporting body weight during standing and walking.

Explanation:
Salivary amylase (ptyalin) initiates starch digestion in the mouth, hydrolyzing starch to maltose. Pepsin digests proteins, lipase fats.