Q A Fill in the blanks using suitable words.
1 Intestine of a herbivorous animals are ___________ than carnivorous
animals.
2 Name of a proteolytic enzyme present in pancreatic juice is
___________.
3 End products formed by the digestion of fats are _________ and
__________.
4 Exit of waste material from anus is controlled by ________________.
5 _________ is the fuel of a human body.
Q B Answer the following questions in brief:
1 What is the common pathway in a human body which allows the air as
well as food to pass through it?
2 Name the blood vessel that pours blood into the left atrium.
3 Write down the full form of ATP.
4 Human beings show double circulation.
Q C Give scientific reasons for the following:
1 Why are lungs made up of very small air sacs?
2 Why are capillaries thin walled?
3 Shoot tip tends to grow towards the direction of sunlight.
Q D Answer the following questions in detail with the help of diagram.
1 Write down the three steps of Excretion in a man. Draw a well labeled
diagram of human excretory system.
2 What is meant by reflex action? Draw a T.S of spinal cord showing reflex
arc
1 Intestine of a herbivorous animals are ___________ than carnivorous
animals.
2 Name of a proteolytic enzyme present in pancreatic juice is
___________.
3 End products formed by the digestion of fats are _________ and
__________.
4 Exit of waste material from anus is controlled by ________________.
5 _________ is the fuel of a human body.
Q B Answer the following questions in brief:
1 What is the common pathway in a human body which allows the air as
well as food to pass through it?
2 Name the blood vessel that pours blood into the left atrium.
3 Write down the full form of ATP.
4 Human beings show double circulation.
Q C Give scientific reasons for the following:
1 Why are lungs made up of very small air sacs?
2 Why are capillaries thin walled?
3 Shoot tip tends to grow towards the direction of sunlight.
Q D Answer the following questions in detail with the help of diagram.
1 Write down the three steps of Excretion in a man. Draw a well labeled
diagram of human excretory system.
2 What is meant by reflex action? Draw a T.S of spinal cord showing reflex
arc