Human Alimentary Canal Diagram and Respiration Differences

What is the role of salivary amylase in the process of digestion?

Digests fats into fatty acids and glycerol
Breaks down proteins into amino acids
Converts complex carbohydrates into simple sugars (correct)
Emulsifies fats for better digestion

Why is hydrochloric acid important in the stomach for digestion?

Converts complex carbohydrates into simple sugars
Neutralizes the stomach contents
Breaks down proteins into amino acids (correct)
Emulsifies fats for better absorption

Which digestive organ is primarily responsible for the complete digestion of carbohydrates, proteins, and fats?

Pancreas
Liver
Salivary Glands
Small Intestine (correct)

What is the function of bile juice in digestion?

Emulsifies fats for better digestion (B) Signup and view all the answers

Which enzyme from the pancreas is responsible for digesting proteins?

Trypsin (D) Signup and view all the answers

What is the role of intestinal juice in digestion?

Converts complex carbohydrates into simple sugars (A) Signup and view all the answers

What is the main function of xylem in a plant?

Conducting water and minerals from the soil to different parts of the plant (A) Signup and view all the answers

Where does the complete digestion of fats occur in our bodies?

Small intestine (A) Signup and view all the answers

What organelle is responsible for the green color in leaves?

Chloroplasts (C) Signup and view all the answers

What is the role of bile salts in fat digestion in the small intestine?

Increasing the efficiency of enzyme action (D) Signup and view all the answers

What would be the immediate consequence if a plant's chloroplasts are damaged?

The plant would lose its green color (C) Signup and view all the answers

What is the function of pancreatic lipase in fat digestion?

Convert fats into fatty acids and glycerol (B) Signup and view all the answers

Why is chlorophyll essential for plant survival?

To convert sunlight into energy during photosynthesis (B) Signup and view all the answers

Why does the absorption of digested food mainly occur in the small intestine?

Due to the presence of villi that increase surface area for absorption (A) Signup and view all the answers

What happens if the phloem tissue in a plant is damaged?

Nutrient transport to different plant parts will cease (C) Signup and view all the answers

What is the main purpose of villi in the small intestine?

Increase surface area for absorption (C) Signup and view all the answers

How do chloroplasts contribute to the growth of a plant?

By absorbing sunlight and converting it into energy (B) Signup and view all the answers

What is the difference between aerobic and anaerobic respiration?

Aerobic respiration requires oxygen, while anaerobic respiration does not (D) Signup and view all the answers

What is the primary function of bile in the digestion process?

Emulsifying fats (B) Signup and view all the answers

Which of the following is NOT a function of the kidneys in human beings?

Producing red blood cells (B) Signup and view all the answers

In aerobic respiration, where does the exchange of material between blood and cells primarily occur?

Mitochondria (D) Signup and view all the answers

Why is bile considered essential for digestion even though it does not contain enzymes?

It emulsifies fats facilitating enzyme action (B) Signup and view all the answers

Which organ in the human digestive system is responsible for regulating the pH levels of food entering the small intestine?

Liver (B) Signup and view all the answers

What is the primary function of the Aorta in the excretory system of human beings?

Regulate blood pressure (C) Signup and view all the answers

How do stomata facilitate the exchange of gases in plants?

By allowing the entry of oxygen and exit of carbon dioxide (D) Signup and view all the answers

What is the main function of Xylem vessels in plants?

Transporting water and minerals in an upward direction (A) Signup and view all the answers

What is the role of Phloem vessels in plants?

Transporting products of photosynthesis to different plant parts (A) Signup and view all the answers

Why are stomata essential for plant survival?

To facilitate the exchange of gases vital for photosynthesis (A) Signup and view all the answers

Which part of the plant transports nutrients produced during photosynthesis?

Phloem vessels (D) Signup and view all the answers

How does the presence of chlorophyll in leaves benefit photosynthesis?

Chlorophyll molecules are arranged to receive more light for photosynthesis (B) Signup and view all the answers