English

“All plants give out oxygen during the day and carbon dioxide during the night”. Do you agree with this statement? Give a reason. - Science

Advertisements
Advertisements

Question

“All plants give out oxygen during the day and carbon dioxide during the night”. Do you agree with this statement? Give a reason.

Answer in Brief
Advertisements

Solution

The statement is incorrect since plants respire and expel carbon dioxide at all times,but they only give out oxygen during the day because photosynthesis can only occur in the presence of sunlight.

shaalaa.com
  Is there an error in this question or solution?
Chapter 6: Life Processes - Short Answer Questions [Page 54]

APPEARS IN

NCERT Exemplar Science [English] Class 10
Chapter 6 Life Processes
Short Answer Questions | Q 37. | Page 54

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

Bile, Urea, Uric acid, Ammonia


The Biological/technical term for The removal of nitrogenous wastes from the body


Where is the dirty blood in our body filtered?


What job is done by the kidneys?


Name the various organs of the human excretory system.


State if the following statement is true or false. Correct the statement if it is false.  

Liver produces bile pigments from the hemoglobin of broken RBCs.


Fill in the blank.  

Malpighian body consists of Bowman’s capsule and ..................... 


Answer the following in short.

What is excretion? 


Answer the following in detail.

Describe the process of urine formation. 


Name the following: 

The vein in which urea concentration is maximum 


Define the following term:

Osmoregulation


The following diagram represents a mammalian kidney tubule (nephron) and its blood supply. 

 

Parts indicated by the guidelines 1 to 8 are as follows:
1. Afferent arteriole from renal artery
2. efferent arteriole
3. Bowman’s capsule
4. Glomerulus;
5. Proximal convoluted tubule with blood capillaries;
6. Distal convoluted tubule with blood capillaries;
7. collecting tubule;
8. U-shaped loop of Henle

Study the diagram and answer the question that follow:

Where does ultrafiltration take place?


Choose the correct answer:
What happens if one kidney is removed from the body of human being?


What is dialysis?

Given below is a highly simplified diagram of the human kidney cut open longitudinally. Answer the question that follow:

Name the functional units of the kidneys.


Explain the Term: Glomerulus


Complete the following sentence with appropriate word:

Human kidney is made up of ______.


State the Location: Medulla of Kidney


Answer the following question.

Name any one guanotelic organism.


Plants use completely different process for excretion as compared to animals. Which one of the following processes is NOT followed by plants for excretion?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×