The maintenance of life of all living organism require processes like nutrition, respiration, transport of the material within the body, and excretion of the waste products. The processes which together perform this maintenance job are Life processes. So take this quiz and increase your knowledge about life processes.
1. The kidneys in human beings are a part of the system for...
A. Nutrition
B. Respiration
C. Excretion
D. Transportation
2. The xylem in plants is responsible for...
A. Transport of water
B. Transport of food
C. Transport of amino acids
D. Transport of oxygen
3. The autotrophic mode of nutrition requires...
A. Carbon dioxide and water
B. Chlorophyll
C. Sunlight
D. All of the above
4. The breakdown of pyruvate to give carbon dioxide, water, and energy take place in...
A. Cytoplasm
B. Mitochondria
C. Chloroplast
D. Nucleus
5. Which of the following is not a digestive enzyme contained in the pancreatic juice?
A. Lipase
B. Hydrochloric acid
C. Mucus
D. Trypsin
6. The enzymes pepsin and trypsin are secreted respectively by ...
A. Stomach and pancreas
B. Salivary gland and stomach
C. Liver and pancreas
D. Liver and salivary gland
7. Among the following choose the correct option which includes the organisms that have a holozoic mode of nutrition.
A. Plasmodium and Amoeba
B. Parakeet and Amoeba
C. Paramecium and Plasmodium
D. Paramecium and Parasite
8. The enzymes contained in pancreatic juices help in the digestion of...
A. Fats and carbohydrates
B. Proteins and fats
C. Proteins and carbohydrates
D. Proteins, fats and carbohydrates
9. Which of the following helps in protecting the inner lining of the stomach from the harmful effect of hydrochloric acid?
A. Mucus
B. Pepsin
C. Trypsin
D. Bile
10. The vein which brings clean blood from the lungs into the heart is known as...
A. Pulmonary vein
B. Hepatic vein
C. Superior vena cava
D. Pulmonary artery
11. The excretory unit of the human excretory system is known as...
A. Nephridia
B. Neuron
C. Nephron
D. kidneys
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