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Leaves of a healthy potted plant were coated with vaseline. Will this plant remain healthy for long? Give reasons for your answer. - Science

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प्रश्न

Leaves of a healthy potted plant were coated with vaseline. Will this plant remain healthy for long? Give reasons for your answer.

एका वाक्यात उत्तर

उत्तर

Coating vaseline to the leaves of a healthy plant will close its stomata pores and stop the respiration of plants and the plants die.

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पाठ 6: Life Processes - Short Answer Questions [पृष्ठ ५४]

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एनसीईआरटी एक्झांप्लर Science [English] Class 10
पाठ 6 Life Processes
Short Answer Questions | Q 45. | पृष्ठ ५४

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संबंधित प्रश्‍न

Mention the exact location of the Prostate gland.


The nephrons discharge their urine at ______.


_____________ secreted by the (ii) _____________ lobe of the pituitary gland. If this hormone secretion is reduced, there is an increased production of urine. This disorder is called (iii) ____________. Sometimes excess glucose is passed with urine due to hyposecretion of another hormone called (iv) _____________ leading to the cause of a disease called (v) ______________.


Name an animal which absorbs oxygen through its moist skin.


Define excretion. Name the excretory unit of a kidney.


How are waste products excreted in Amoeba?


Name the various organs of the human excretory system.


The substance which is not reabsorbed into the blood capillaries surrounding the tuble of a nephron is mainly:
(a) glucose
(b) amino acid
(c) urea
(d) water


Write True (T) or False (F) for the following statement. Rewrite the false statement in the correct form.   

Excess sugar in the blood is a symptom of diabetes. 


Answer the following in short.

Define transpiration in plants. 


Answer the following in detail.

Describe the process of urine formation. 


Name the following: 

The part of kidney tubules where the term urine is first used for the fluid in it.


Why is it necessary to maintain a normal osmotic concentration of the blood? 


What is dialysis?

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

Write two differences in composition of the blood flowing through the blood vessels, 'A' and 'B'.


Write the functional activity of the following structure: Henle’s loop


Choose the correct option.

Which one of the following organisms excrete waste through nephridia?


Choose the correct option.

The part of nephron which absorbs glucose and amino acid is ______.


The CORRECT match is ______.


Two green plants are kept separately in oxygen-free containers, one in the dark and the other in continuous light. Which one will live longer? Give reasons.


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