Correct Answer: B) Sieve tube elements

Explanation

The question is asking which component of the phloem lacks a nucleus and has its cytoplasm pushed to the sides. The options are Companion cell, Sieve tube elements, Sieve plate, and Parenchyma, and we are to choose the correct answer. The phloem is a type of plant tissue that transports sugars and nutrients from the leaves to other parts of the plant. It consists of different components including the companion cell, sieve tube elements, sieve plate, and parenchyma. Out of the four options given, the component of the phloem that has its cytoplasm pushed to the sides and lacks a nucleus is the sieve tube elements. The sieve tube elements are long, tube-like structures that form a continuous channel for transport of sugars and nutrients. They are closely associated with the companion cells, which support their metabolic functions. In summary, the correct answer to the question is Option B: Sieve tube elements. They have their cytoplasm pushed to the sides and lack a nucleus. It is important for Biology students to understand the different components of the phloem and their functions in plant transportation.

Correct Answer: C) Chyle

Explanation

During digestion, food is broken down into smaller molecules that can be absorbed by the body. The process of digestion starts in the mouth where food is chewed and mixed with saliva. The food then moves down the esophagus and into the stomach where it is further broken down by stomach acid and enzymes. After this, the partially digested food, known as chyme, moves into the duodenum, which is the first part of the small intestine. Here, the chyme is mixed with bile from the liver and enzymes from the pancreas to continue the process of digestion. The bile helps to emulsify fats, making it easier for enzymes to break them down. As the chyme passes through the duodenum, it is mixed and churned with these digestive juices, eventually turning into a watery liquid. This watery liquid is called chyle, which is primarily made up of fats and other nutrients that have been broken down by the digestive system. Therefore, the correct answer to the question is option C: Chyle. It is important to note that chyle is not the same thing as chyme, which is the partially digested food that enters the duodenum. It is essential to understand the process of digestion and the role of different organs and enzymes in breaking down food. This knowledge is important in maintaining a healthy digestive system and preventing digestive disorders.

Correct Answer: C. a mess

Correct Answer: B. giving his daughter in marriage to the person

Correct Answer: A. village/ clan based

Correct Answer: D. lome

Correct Answer: D. wasn't she

Correct Answer: A. time and place

Correct Answer: B. scientific and technological developments

Explanation

Scientific and technological developments is the correct answer. The history of the early centres of civilization presents us with the discovery and use of woods, irons and other scientific objects for the creation of notable figures, and provision of utilities in the early Nigerian societies. Notable are the Nok Culture, Ife Civilization and the Benin Crafts and Artworks.

Correct Answer: B. one body with many members