Correct Answer: C) Glucose

Explanation

Respiration is the process by which living organisms produce energy. There are different substrates that can be used for respiration, but the most common one is glucose. Glucose is a type of sugar that is broken down during respiration to release energy. The energy released is used for various cellular activities, including movement, growth, and repair. Fats and amino acids can also be used as substrates for respiration, but they are not as commonly used as glucose. Fats are broken down into fatty acids and glucose before they can be used for respiration. Amino acids, on the other hand, are broken down into glucose and other by-products before they can be used for respiration. Sucrose is a type of sugar that is made up of glucose and fructose. It can be broken down into glucose and fructose before it can be used for respiration. However, sucrose is not as commonly used as glucose as a substrate for respiration. Therefore, the correct answer to the question is option C: Glucose. This is the most common substrate for respiration in living organisms.

Correct Answer: C. kidney

Correct Answer: C) Peristalsis

Explanation

The question is asking about the movement of muscles in the oesophagus that pushes food down. This motion is called peristalsis. Peristalsis is a wavelike contraction and relaxation of muscles that helps to move food along the digestive tract. It is an important part of the digestive process that ensures food is moved along the digestive tract in the right direction. Option A, anti-peristalsis, is the opposite of peristalsis. Anti-peristalsis is the backward movement of muscles that can cause food to move in the wrong direction, towards the mouth. Option B, digestion, is the process of breaking down food into smaller, simpler substances that can be absorbed and used by the body. Option D, oesophageal motion, is a general term that describes any movement in the oesophagus. It is not specific to the wavelike motion of peristalsis. Therefore, the correct answer is option C, peristalsis. It is important to understand the function and importance of peristalsis in the digestive process to help maintain a healthy digestive system.

Correct Answer: A. Frost action

Explanation

Chemical weathering involves the process of rock decomposition due to chemical reactions. The processes include carbonation, hydrolysis, and oxidation. Frost action, on the other hand, is a form of physical weathering where water seeps into cracks in rocks, freezes, and expands, causing the rock to break apart. Therefore, frost action is not a process of chemical weathering.

Correct Answer: B. -1, 5/3

Explanation

- The United Nations Organization (UNO/UN) has provided Nigerians the forum to discuss international issues affecting all countries. This has raised the image of the country.

- It has provided employment opportunities to Nigerians in the Secretariat and its agencies.

- The Nigerian soldiers and police who have served in the UN peace keeping and peace enforcement operations have gained experience and financial benefits.

- Financial support – Nigeria has received financial support to improve her economy through the IMF and World Bank.

- In the field of Agriculture, Nigeria has received a lot of expert advice through its agencies such as F.A.O., World Food Programme etc.

- Health and sanitation – Nigeria has also received a lot of support in the field of health – Drugs, immunization of children, HIV/AIDS etc through the World Health Organization and UNISEF.

- Education – Nigeria has received educational aid in the form of books, science equipment, computers etc.

- Nigeria enjoyed global peace provided by the UN.

- It gave moral support for the restoration of democracy or constitutional rule in Nigeria.

- The country has benefitted from the support given to the observance and enforcement of human rights.

Correct Answer: A. John

Correct Answer: C. ignored

Explanation

Ignore; to refuse to take notice of or acknowledge; disregard intentionally.

Correct Answer: B. warrant chiefs

Explanation

The ray will bend upward. The direction of motion of the charge is due to the force acting on it which is mutually perpendicular to the direction of the magnetic field and the moving charge.