Baking powder is not a common ingredient in cookies and biscuits because it is a raising agent, which is used to make baked goods rise. Cookies and biscuits are typically made with a combination of flour, sugar, butter, and eggs, which do not require a raising agent.

The main function of sugar in cookies and biscuits is to provide sweetness. Sugar also helps to provide structure and moisture to cookies and biscuits, and it can also contribute to their color and flavor.

Butter plays a number of important roles in cookies and biscuits. It provides richness and flavor, helps to provide structure, adds moisture, and contributes to tenderness.

All of the above statements are true. Cookies are typically sweeter than biscuits, biscuits are typically denser than cookies, and cookies are typically made with a dough that is rolled and cut, while biscuits are typically made with a dough that is dropped or spooned.

The three main types of cookies are bar cookies, drop cookies, and rolled cookies. Bar cookies are made with a dough that is spread into a pan and baked, drop cookies are made with a dough that is dropped or spooned onto a baking sheet, and rolled cookies are made with a dough that is rolled out and cut into shapes.

The Maillard reaction is a chemical reaction between sugars and amino acids that occurs during baking. This reaction is responsible for the browning of cookies and biscuits, as well as their characteristic flavor and aroma.

Gluten is a protein found in wheat flour. It is responsible for providing structure to cookies and biscuits. When gluten is mixed with water, it forms a network of proteins that traps gas bubbles, which helps to create a light and airy texture.

Cookies and biscuits should be stored in an airtight container at room temperature. This will help to keep them fresh and prevent them from becoming stale.

Cookies and biscuits typically last for 3-5 days at room temperature. However, the shelf life of cookies and biscuits can be extended by storing them in the refrigerator or freezer.

All of the above problems can occur when making cookies and biscuits. The most common cause of these problems is incorrect measuring of ingredients, over-mixing the dough, or baking the cookies or biscuits at too high a temperature.

All of the above tips are important for making perfect cookies and biscuits. By following these tips, you can ensure that your cookies and biscuits turn out delicious and perfect every time.

All of the above statements are true. Cookies are typically sweeter than crackers, crackers are typically denser than cookies, and cookies are typically made with a dough that is rolled and cut, while crackers are typically made with a dough that is extruded or stamped.

All of the above are common types of cookies. Chocolate chip cookies are made with chocolate chips, oatmeal cookies are made with oatmeal, sugar cookies are made with sugar, and shortbread cookies are made with butter.

All of the above are common types of biscuits. Soda crackers are made with baking soda, graham crackers are made with graham flour, animal crackers are made in the shape of animals, and saltine crackers are made with salt.

All of the above statements are true. Cookies and biscuits can provide energy, fiber, vitamins and minerals, and antioxidants. However, it is important to note that cookies and biscuits are also high in calories and fat, so they should be eaten in moderation.