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This worksheet contains practice questions for Class 10 Science; Chapter 5: Life Processes. These questions are based on CBSE board curriculum as per NCERT textbook.
By practicing these questions, you will be able to get an idea of what type of questions may appear in the examination.
Question 1:
The autotrophic mode of nutrition requires…
(a) carbon dioxide and water
(b) sunlight
(c) chlorophyll
(d) all of the above
Question 2:
The breakdown of pyruvate to give carbon dioxide, water and energy takes place in…
(a) cytoplasm
(b) chloroplast
(c) mitochondria
(d) nucleus
Question 3:
The xylem in plants are responsible for…
(a) transport of water
(b) transport of amino acids
(c) transport of food
(d) transport of oxygen
Question 4:
The kidneys in human beings are a part of the system for…
(a) nutrition
(b) excretion
(c) respiration
(d) transportation
Question 5:
List the events that take place during the process of photosynthesis in proper sequence.
Question 6:
How are fats digested in our bodies? Where does this process take place?
Question 7:
What is the role of saliva in the digestion of food?
Question 8:
How are the alveoli designed to maximise the exchange of gases?
Question 9:
Describe double circulation of blood in human beings. Why is it necessary?
Question 10:
Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning.
Question 11:
What are the differences between the transport of materials in xylem and phloem?
Question 12:
What are the necessary conditions for autotrophic nutrition and what are its byproducts?
Question 13:
What is the other name of “tissue fluid”? Write its two functions.
Question 14:
What would be the consequences of a deficiency of haemoglobin in our bodies?
Question 15:
What are the differences between aerobic and anaerobic respiration? Name some organisms that use the anaerobic mode of respiration.
Question 16:
List four functions of human heart. Why is double circulation necessary in the human body?
