NEET UG 2012 — Chemical Coordination and Integration

A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neurohormonal control system?

What is correct to say about the hormone action in humans?

Which one of the following pairs of chemical substances, is correctly categorised?

Which one of the following pairs of hormones are the examples of those that can easily pass through the cell membrane of the target cell and bind to a receptor inside it (mostly in the nucleus)?