1. Nervous tissue is responsible for

A. Movement
B. Protection
C. Communication and coordination
D. Nutrient transport

Correct answer: C

Rationale: Nervous tissue is responsible for communication and coordination within the body. This tissue includes neurons and supporting cells, which work together to transmit electrical signals and information throughout the body. Movement is primarily controlled by the muscular system, protection is the role of the immune system and skin, while nutrient transport is primarily handled by the circulatory system. Therefore, the correct answer is C: 'Communication and coordination.'

2. What is the functional group present in amines?

A. Hydroxyl
B. Carbonyl
C. Amine
D. Nitro

Correct answer: C

Rationale: Amines have the functional group -NHÃ¢â€šâ€š. The other choices are associated with different functional groups.

3. Calcitonin, a hormone that helps regulate calcium levels, is produced by the:

A. Thyroid gland
B. Parathyroid gland
C. Thymus gland
D. Adrenal gland

Correct answer: A

Rationale: The correct answer is A: "Thyroid gland." Calcitonin is a hormone produced by the thyroid gland that helps regulate calcium levels in the body. It works in opposition to parathyroid hormone, which is produced by the parathyroid gland. The thymus gland is responsible for immune function, while the adrenal gland produces hormones like cortisol and adrenaline. Therefore, the thyroid gland is the specific gland responsible for producing calcitonin to regulate calcium levels in the body.

4. Which of the following functional groups is present in carboxylic acids?

A. Carbonyl
B. Hydroxyl
C. Carboxyl
D. Aldehyde

Correct answer: C

Rationale: Carboxylic acids contain the carboxyl functional group (-COOH). The other choices are associated with different functional groups.

5. The final sentence suggests that the debate surrounding UBI necessitates

A. Focusing on the potential cost savings for governments compared to existing welfare programs.
B. Prioritizing the opinions of economists and financial experts over those of social scientists and philosophers.
C. Engaging in thoughtful and informed discussions considering both the economic and ethical implications.
D. Dismissing the concerns of critics and implementing UBI as a rapid solution to poverty and inequality.

Correct answer: C

Rationale: The emphasis on "complex interplay" and "careful consideration" suggests a call for nuanced and multifaceted discussions, aligning with C.