Read the given statements (i)-(v) and select the option that correctly identifies true (T) and false (F) ones. (i) Lactose is a type of sugar found in milk. (ii) At room temperature, saturated fats are solids whereas unsaturated fats are liquids. (iii) Fat soluble vitamins are not stored in our body and need to be regularly supplied through food. (iv) Vitamin C is very sensitive to heat and is easily destroyed during cooking. (v) Iodine is needed for transmission of messages by the nervous system in human body.
To solve the question, we will evaluate each statement one by one to determine if they are true (T) or false (F).
### Step-by-Step Solution:
1. **Statement (i): Lactose is a type of sugar found in milk.**
- **Evaluation:** This statement is true. Lactose is indeed a sugar that is naturally found in milk.
- **Result:** T (True)
2. **Statement (ii): At room temperature, saturated fats are solids whereas unsaturated fats are liquids.**
- **Evaluation:** This statement is also true. Saturated fats are typically solid at room temperature, while unsaturated fats are liquid.
- **Result:** T (True)
3. **Statement (iii): Fat soluble vitamins are not stored in our body and need to be regularly supplied through food.**
- **Evaluation:** This statement is false. Fat-soluble vitamins (like vitamins A, D, E, and K) can be stored in the body’s fatty tissues and liver. It is the water-soluble vitamins that are not stored and need regular replenishment.
- **Result:** F (False)
4. **Statement (iv): Vitamin C is very sensitive to heat and is easily destroyed during cooking.**
- **Evaluation:** This statement is true. Vitamin C (ascorbic acid) is sensitive to heat and can be destroyed during cooking processes.
- **Result:** T (True)
5. **Statement (v): Iodine is needed for transmission of messages by the nervous system in the human body.**
- **Evaluation:** This statement is false. Iodine is essential for the production of thyroid hormones but is not directly involved in the transmission of messages by the nervous system; sodium plays a more critical role in nerve transmission.
- **Result:** F (False)
### Summary of Results:
- (i) T
- (ii) T
- (iii) F
- (iv) T
- (v) F
### Final Answer:
The correct identification of the statements is:
- (i) T
- (ii) T
- (iii) F
- (iv) T
- (v) F
To solve the question, we will evaluate each statement one by one to determine if they are true (T) or false (F).
### Step-by-Step Solution:
1. **Statement (i): Lactose is a type of sugar found in milk.**
- **Evaluation:** This statement is true. Lactose is indeed a sugar that is naturally found in milk.
- **Result:** T (True)
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