Which of the following organs in mammals does not consist of a central meduallary’ region surrounded by a cortical region?
A. Ovary

B. Adrenal

C. Liver

D. Kidney

A sample of urine was diagnosed to contain high content of glucose and ketone bodies. Based on this observation, answer the following:

a. Which endocrine gland and hormone is related to this condition?

b. Name the cells on which this hormone acts.

c. What is the condition called and how can it be rectified?

Inflammatory responses can be controlled by a certain steroid. Name the steroid, its source and also its other important functions.

What is the role-played by luteinizing hormones in males and females respectively?

What are the effects of hypothyroidism (observed during pregnancy) on the development and maturation of a growing baby?

On an educational trip to Uttaranchal, Ketki and her friends observe that many local people were having swollen necks. Please help Ketki and her friends to find out the solutions to the following questions.

a. Which probable disease are these people suffering from?

b. How is it caused?

c. What effect does this condition have on pregnancy?

What is the role of second messenger in hormone action?

State whether true or false:

a. Gastrointestinal tract, kidney and heart also produce hormones.

b. Pars distalis produces six trophic hormones.

c. B-lymphocytes provide cell-mediated immunity.

d. Insulin resistance results in a disease called diabetes mellitus.

Name the hormone that helps in cell - mediated immunity.

Old people have weak immune system. What could be the reason?

George comes on a vacation to India from US. The long journey disturbs his biological system and he suffers from jet lag. What is the cause of his discomfort?