Summary
The video displays a series of multiple-choice questions related to biology and human physiology. The questions cover topics such as the cause of pulse beating, the function of the heart, hemoglobin composition, oxygen transport, blood speed, arteries, carbohydrate synthesis, plasma composition, and water evaporation from leaves. The correct answers are highlighted in green.
On-screen text
Q.1 Beating of pulse is due to .......
A Energy
B Flow of blood
C Flow of water
D Oxygen
Q.2 Heart is also called .......
A Muscular pump
B Pumping device
C Pumping machine
Q.3 It is not the function of the human heart .......
A It keeps beating throughout life
B It collects the blob from veins
C Exchange of gases takes place in it
D It pumps the oxygenated blood to the body
Q.4 Hemoglobin is the combination of .......
A Carbohydrates and fats
B Carbohydrates and proteins
C Fats and proteins
D Proteins and iron
Q.5 Oxygen is taken from ........
A Cells to lung
B Heart lungs
C Lungs to cell
Q.6 Speed of blood is faster when.........
A It enters the aorta
B It enter the kidneys
C It reaches the capillaries
D It reaches the auricles
Q.7 The largest artery is called .......
A Aorta
B Pulmonary artery
C Atrium
D Vertical
Q.8 Synthesis of carbohydrates takes place in ........
A Root
B Stem
C Fruit
D Leaves
Q.9 Plasma contains water along with important ........
A Food chemicals
B Cells
C Tissues
D Bacteria
Q.10 The evaporation of water from leaves is called .......
A Photosynthesis
B Respiration
C Transpiration
D None