HSC Science Class 11 - Tamil Nadu Board of Secondary Education Question Bank Solutions

Kidney of frog is ______.

Presence of gills in the tadpole of frog indicates that ______.

How does the male frog attracts the female for mating?

Write the types of respiration seen in frog.

What are the components of blood in frog?

Draw a neat labeled diagram of the digestive system of frog.

Explain the male reproductive system of frog.

Explain the female reproductive system of frog.

First step in digestion of fat is ______.

Assertion: (A) Large intestine also shows the presence of villi like small intestine.

Reason: (B) Absorption of water takes place in large intestine.

What forces promote glomerular filtration? What forces opposes them? What is meant by net filtration pressure?

In which segment of the nephron most of the re-absorption of substances takes place?

When a molecule or ion is reabsorbed from the lumen of the nephron, where does it go? If a solute is filtered and not reabsorbed from the tubule, where does it go?

Which segment is the site of secretion and regulated reabsorption of ions and pH homeostasis?

What solute is normally present in the body to estimate GFR in humans?

If the afferent arteriole of the nephron constricts, what happens to the GFR in that nephron? If the efferent arteriole constricts what happens to the GFR in that nephron? Assume that no auto regulation takes place.

Concentration of urine depends upon which part of the nephron 

If Henle’s loop were absent from mammalian nephron, which one of the following is to be expected?

The end product of Ornithine cycle is ______.

Glomerular filtrate contains ______.