Adrenaline, known as epinephrine, is a stress hormone. It is released in a stressful situation after the adrenal gland receives a signal from the brain.
Adrenaline hormone increases pulse rate and controls blood pressure.
Hence, Option C) Adrenaline is the correct answer.
Adrenaline, known as epinephrine, is a stress hormone.
Explanation of incorrect options:
Option A) Thyroxin
Option B) Insulin
Option D) Estradiol
Final answer: Adrenaline hormone is produced under stress, stimulating glycogenolysis in the human liver.
Fat soluble vitamins are :
A. Vitamin B\( _1 \)
B. Vitamin C
C. Vitamin E
D. Vitamin B\( _{12} \)
E. Vitamin K
Choose the correct answer from the options given below :
A sphere of radius R is cut from a larger solid sphere of radius 2R as shown in the figure. The ratio of the moment of inertia of the smaller sphere to that of the rest part of the sphere about the Y-axis is : 
A constant voltage of 50 V is maintained between the points A and B of the circuit shown in the figure. The current through the branch CD of the circuit is :
The current passing through the battery in the given circuit, is: 
Given below are two statements:
Statement I: The primary source of energy in an ecosystem is solar energy.
Statement II: The rate of production of organic matter during photosynthesis in an ecosystem is called net primary productivity (NPP).
In light of the above statements, choose the most appropriate answer from the options given below:
Biomolecules are the most essential organic molecules, which are involved in the maintenance and metabolic processes of living organisms. These non-living molecules are the actual foot-soldiers of the battle of sustenance of life.
There are four major classes of Biomolecules – Carbohydrates, Proteins, Nucleic acids and Lipids.