COPY: Organism Life Span Analysis Quiz

Why do the life spans of crows and parrots show a wide difference despite their similar sizes?

Genetic variations (correct)

Environmental factors

Social behaviors

Dietary differences

What is true about the life span of a mango tree compared to a peepal tree?

Both have similar life spans

Depends on their environment

Peepal trees live longer than mango trees (correct)

Mango trees live longer than peepal trees

Why is it said that there is no natural death in single-celled organisms?

They are protected by a durable outer shell

They are resistant to environmental changes

They have evolved to be immortal

They have unlimited reproductive capacity (correct)

What ensures the continuity of vast numbers of plant and animal species on earth for several thousands of years?

Reproductive processes Signup and view all the answers

What does the life span of an organism signify?

The entire duration from birth to natural death Signup and view all the answers

Which segment of the nephron is responsible for reabsorbing nearly all essential nutrients and 70-80% of electrolytes and water?

Proximal Convoluted Tubule (PCT) Signup and view all the answers

What is the function of the descending limb of the Loop of Henle?

Concentration of the filtrate Signup and view all the answers

In which segment of the nephron does conditional reabsorption of Na+ and water take place?

Distal Convoluted Tubule (DCT) Signup and view all the answers

Which part of the nephron helps to maintain the pH and ionic balance of body fluids by selective secretion of hydrogen ions and ammonia into the filtrate?

Proximal Convoluted Tubule (PCT) Signup and view all the answers

What is the role of the ascending limb of the Loop of Henle?

Decereased Concentration of the filtrate Signup and view all the answers

Which segment of the nephron is capable of reabsorption of HCO3– and selective secretion of hydrogen and potassium ions and NH3 to maintain pH and sodium-potassium balance in blood?

Distal Convoluted Tubule (DCT) Signup and view all the answers

What is the primary function of the descending limb of the Loop of Henle?

Maintenance of high osmolarity of medullary interstitial fluid Signup and view all the answers

In which segment of the nephron does selective secretion of hydrogen ions and ammonia into the filtrate take place?

Proximal Convoluted Tubule (PCT) Signup and view all the answers

Which part of the nephron is responsible for maintaining the pH and sodium-potassium balance in blood by selective secretion of potassium ions and NH3?

Distal Convoluted Tubule (DCT) Signup and view all the answers

Which segment of the nephron is responsible for reabsorbing nearly all essential nutrients and 70-80% of electrolytes and water?

Proximal Convoluted Tubule (PCT) Signup and view all the answers

What role does the ascending limb of the Loop of Henle play in the nephron?

Transport of electrolytes actively or passively Signup and view all the answers

What is the main function of the Proximal Convoluted Tubule (PCT) in the nephron?

Reabsorption of essential nutrients and electrolytes Signup and view all the answers

COPY: Organism Life Span Analysis Quiz

Questions and Answers

Why do the life spans of crows and parrots show a wide difference despite their similar sizes?

What is true about the life span of a mango tree compared to a peepal tree?

Why is it said that there is no natural death in single-celled organisms?

What ensures the continuity of vast numbers of plant and animal species on earth for several thousands of years?

What does the life span of an organism signify?

Which segment of the nephron is responsible for reabsorbing nearly all essential nutrients and 70-80% of electrolytes and water?

What is the function of the descending limb of the Loop of Henle?

In which segment of the nephron does conditional reabsorption of Na+ and water take place?

Which part of the nephron helps to maintain the pH and ionic balance of body fluids by selective secretion of hydrogen ions and ammonia into the filtrate?

What is the role of the ascending limb of the Loop of Henle?

Which segment of the nephron is capable of reabsorption of HCO3– and selective secretion of hydrogen and potassium ions and NH3 to maintain pH and sodium-potassium balance in blood?

What is the primary function of the descending limb of the Loop of Henle?

In which segment of the nephron does selective secretion of hydrogen ions and ammonia into the filtrate take place?

Which part of the nephron is responsible for maintaining the pH and sodium-potassium balance in blood by selective secretion of potassium ions and NH3?

Which segment of the nephron is responsible for reabsorbing nearly all essential nutrients and 70-80% of electrolytes and water?

What role does the ascending limb of the Loop of Henle play in the nephron?

What is the main function of the Proximal Convoluted Tubule (PCT) in the nephron?

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