Life Processes - Class 10 - Science
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Back Questions - Life Processes | NCERT | Science | Class 10
The kidneys in human beings are a part of the system for
(a) nutrition.
(c) excretion.
(b) respiration.
(d) transportation.
The kidneys in human beings are a part of the system for:
(c) excretion.
Kidneys are responsible for filtering waste products from the blood and excreting them in the form of urine, which makes them an essential component of the excretory system in the human body.
The xylem in plants are responsible for
(a) transport of water.
(c) transport of amino acids.
(b) transport of food.
(d) transport of oxygen.
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Sign up nowThe autotrophic mode of nutrition requires
(a) carbon dioxide and water.
(c) sunlight.
(b) chlorophyll.
(d) all of the above.
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Sign up nowThe breakdown of pyruvate to give carbon dioxide, water and energy takes place in
(a) cytoplasm.
(c) chloroplast.
(b) mitochondria.
(d) nucleus.
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Sign up nowHow are fats digested in our bodies? Where does this process take place?
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Sign up nowWhat is the role of saliva in the digestion of food?
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Sign up nowWhat are the necessary conditions for autotrophic nutrition and what are its byproducts?
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Sign up nowWhat are the differences between aerobic and anaerobic respiration? Name some organisms that use the anaerobic mode of respiration.
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Sign up nowHow are the alveoli designed to maximise the exchange of gases?
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Sign up nowWhat would be the consequences of a deficiency of haemoglobin in our bodies?
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Sign up nowDescribe double circulation of blood in human beings. Why is it necessary?
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Sign up nowWhat are the differences between the transport of materials in xylem and phloem?
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Sign up nowCompare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning.
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Sign up nowExtra Questions - Life Processes | NCERT | Science | Class 10
What is the organ that pumps blood all throughout the human body?
A) Blood vessels and capillaries
B) Lungs
C) Heart
D) Kidneys
The correct answer is Option C: Heart.
The heart is responsible for pumping blood through the human body. This vital organ is a muscular, four-chambered structure, essential for circulating blood that carries oxygen and nutrients to various body tissues.
The trachea divides into two tubes at its lower end. What are the names of these tubes?
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