Read the given statements.
(i) `Mg^(2+)` is an activator for ribulose bisphosphate carboxylase-oxygenase.
(ii) Micronutrients are required in large quantities.
(iii) `Zn^(2+)` is an activator of alcohol dehydrogenase
(iv) Phosphorous is a central metal ion of the chlorophyll molecule.
Identify the true and false statements.

Options

A. (i) - True (ii) - False (iii) - False (iv) -True
B. (i) - True (ii) - True (iii) - False (iv) -False
C. (i) - True (ii) - False (iii) - True (iv) -False
D. (i) - True (ii) - False (iii) - True (iv) -True

Answer

To solve the question, we need to evaluate the truthfulness of each statement provided. Let's break down each statement step by step:

### Step 1: Analyze Statement (i)
**Statement:** `Mg^(2+)` is an activator for ribulose bisphosphate carboxylase-oxygenase.
**Analysis:** Ribulose bisphosphate carboxylase-oxygenase, commonly known as Rubisco, requires magnesium ions for its activation. Therefore, this statement is **True**.

### Step 2: Analyze Statement (ii)
**Statement:** Micronutrients are required in large quantities.
**Analysis:** Micronutrients, by definition, are required in trace amounts, not large quantities. Examples include iron, zinc, and copper, which are essential for plant growth but are needed in small amounts. Therefore, this statement is **False**.

### Step 3: Analyze Statement (iii)
**Statement:** `Zn^(2+)` is an activator of alcohol dehydrogenase.
**Analysis:** Zinc ions are indeed known to activate the enzyme alcohol dehydrogenase. This statement is **True**.

### Step 4: Analyze Statement (iv)
**Statement:** Phosphorous is a central metal ion of the chlorophyll molecule.
**Analysis:** The central metal ion in chlorophyll is magnesium, not phosphorus. Therefore, this statement is **False**.

### Summary of Truthfulness
- Statement (i): True
- Statement (ii): False
- Statement (iii): True
- Statement (iv): False

### Final Answer
The true and false statements are:
- (i) True
- (ii) False
- (iii) True
- (iv) False