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What would happen if all the green plants disappear from the earth? - Science

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प्रश्न

What would happen if all the green plants disappear from the earth?

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उत्तर

Green plants provide food and oxygen to all other living organisms. If they disappear from the Earth, all other organisms will die due to starvation and lack of oxygen for respiration.

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अध्याय 1: Life Processes - Exercise 1 [पृष्ठ २६]

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लखमीर सिंग Biology (Science) [English] Class 10
अध्याय 1 Life Processes
Exercise 1 | Q 61.1 | पृष्ठ २६

वीडियो ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्न

State whether the statement is true or false:
Aquatic animals breathe at a slower rate than the terrestrial animals.


How are the alveoli designed to maximise the exchange of gases?


List the differences between aerobic and anaerobic respiration.


Which of the following is the correct statement regarding bile?


Describe the process of respiration in Amoeba. State whether it is anaerobic respiration or aerobic respiration.


Describe the process of respiration in the following part of a plant:

Stem


Which contains more carbon dixoide : exhaled air or inhaled air? Why?


Internal respiration may be defined as:


Lack of oxygen in muscles often leads to cramps in the legs of sprinters. This is due to the conversion of pyruvate to:


The breathing and respiration in woody stem of a plant takes place through:


What is the normal percentage composition of gases in inspired and expired air respectively?


Given below is an example of certain structure and its special functional activity: 

"Kidney and excretion".

Fill in the blanks on a similar pattern. 

Alveoli and _____________.


Given below is an example of certain structure and its special functional activity:

"Kidney and excretion".

Fill in the blanks on a similar pattern.

Epiglottis and _____________.


Match the items in Column A with those in Column B.

Column A

Column B

Cartilaginous

Epiglottis

Large surface area

Diaphragm

Breathing movements

Bronchi

Voice

Alveoli

Complemental air

Larynx

Swallowing

Extra inhalation


With regard to the respiratory system and the process of respiration in man, answer the following question :

Give the overall chemical equation to represent the process of respiration in humans.


term 'respiration' includes


The Figure shown below represents an activity to prove the requirements for photosynthesis. During this activity, two healthy potted plants were kept in the dark for 72 hours. After 72 hours, KOH is kept in the watch glass in setup X and not in setup Y. Both these setups are air tight and have been kept in light for 6 hours. Then, Iodine Test is performed with one leaf from each of the two plants X and Y.

The function of KOH is to absorb ______.


Which of the following statement(s) is (are) true about respiration?

  1. During inhalation, ribs move inward and the diaphragm is raised
  2. In the alveoli, exchange of gases takes place i.e., oxygen from alveolar air diffuses into blood and carbon dioxide from the blood into the alveolar air
  3. Haemoglobin has a greater affinity for carbon dioxide than oxygen
  4. Alveoli increase surface area for the exchange of gases

Which of the following equations is the summary of photosynthesis?


During the process of exhalation, the ribs move


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