Step 1: Understanding the endocrine glands and their hormones.
- P: Anterior Pituitary secretes Prolactin (iii)
- Q: Thyroid secretes Calcitonin (iv).
- R: Adrenal secretes Glucocorticoids (ii).
- S: Pineal secretes Melatonin (i).
Step 2: Conclusion.
By matching these glands and their respective hormones, the correct answer is (C).
In the following figure, the radius of the circle circumscribing the regular hexagon is 2 cm. The area of the shaded region is ............ cm\(^2\) (round off to 2 decimal places) 
Which of the following statements is/are TRUE for the function \( f(x) \) shown in the figure given below? 
Match the metabolic pathways in Group A with corresponding enzymes in Group B 
Which one of the following plots represents exponential growth? 