Font size
WorksheetsLife Processes
Total questions: 20
Worksheet time: 11mins
One cell-thick vessels are called
I.
Arteries
Veins
Capillaries
What does the left side of the heart do?
The left side of the heart pumps blood through the lungs where it gets oxygen. SHOW ANSWER
The left side of the heart receives the blood containing oxygen and pumps blood to the rest of the body.
The left side of the heart controls the muscles on the left side of the body,
The left side of the heart supplys our arms with blood
A flap of tissue that prevents blood from flowing backward
Aorta
Atrium
Septum
Valve
_____________________ is the force of blood on the walls of the blood vessels.
Pulse
Heart rate
Blood Pressure
Hypertension
Respiratory pigment in human body is
I.
Chlorophyll
Water
Blood
haemoglobin
In which part of the heart does the aorta originate?
Left atrium
Right atrium
Left ventricle
Right ventricle
How many circuits are there in human circulatory system?
1
2
3
4
What are released from white blood cells in order to protect the body from pathogens?
Clots
Antibodies
Antidotes
Antigens
Sometimes we get painful cramps in our leg muscles after running for a long time due to the accumulation of:
Hydrochloric acid
Acetic acid
Lactic acid
The only artery which carries deoxygenated blood is:
a.
Pulmonary artery
Hepatic artery
Coronary artery
What is the word equation for aerobic respiration in plants?
carbon dioxide + water → glucose + oxygen
glucose + carbon dioxide → water + oxygen
glucose + oxygen → carbon dioxide + water
During aerobic respiration glucose is broken down. What is released in this process?
A
B
C
D
The list shows four metabolic processes.
Which of these processes occur in muscles?
A 1 and 2
B 2 and 3
C 3 and 4
D 4 and 1
In humans, right auricle receives______blood from______
Oxygenated, aorta
Deoxygenated, vena cava
Oxygenated, vena cava
Deoxygenated, aorta
The site of photosynthesis in the cells of a leaf is
a) chloroplast
(b) mitochondria
(c) cytoplasm
d) protoplasm
Which of the following events in the mouth cavity will be affected if salivary amylase is lacking in the saliva?
(a) Starch breaking down into sugars.
(b) Proteins breaking down into amino acids.
(c) Absorption of vitamins.
(d) Fats breaking down into fatty acids and glycerol.
Which region of the alimentary canal absorbs the digested food?
(a) Stomach
(b) Small intestine
(c) Large intestine
(d) Liver
The contraction and expansion movement of the walls of the food pipe is called:
(a) translocation
(b) transpiration
(c) peristaltic movement
(d) digestion
When a few drops of iodine solution are added to rice water, the solution turns blue- black in colour. This indicates that rice water contains:
(a) fats
(b) complex proteins
(c) starch
(d) simple proteins
Three life processes are...
nutrition
nutritivity
sensitivity
reproduction
