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महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

Explain the Steps of Glycolysis. - Science and Technology 2

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प्रश्न

Explain the Steps of Glycolysis.

स्पष्ट करा
टीपा लिहा

उत्तर

  1. Glycolysis is the first step of aerobic/anaerobic respiration and occurs in the cytoplasm of the cell.
  2. In this process, a molecule of glucose is oxidized in a stepwise manner to form two molecules each of pyruvic acid, ATP, NADH2 and water.
  3. Pyruvic acid formed during this process is converted into acetyl-coenzyme A with the release of two molecules each of NADH2 and CO2. This acetyl-coenzyme A then enters the Krebs cycle.
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पाठ 2: Life Processes in Living Organisms Part - 1 - Answer the following questions

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एससीईआरटी महाराष्ट्र Science and Technology 2 [English] 10 Standard SSC
पाठ 2 Life Processes in Living Organisms Part - 1
Answer the following questions | Q 2

संबंधित प्रश्‍न

Given below are the end products of different reactions involving glucose. Write the appropriate end product in front of the following:

(1) Anaerobic reaction =
(2) Reaction in human muscles =
(3) Aerobic respiration
(4) Reaction in plant cells =
(5) Reaction in liver =


Name the life process of an organism that helps in the growth of its population.


What criteria do we use to decide whether something is alive?


What are outside raw materials used for by an organism?


What processes would you consider essential for maintaining life?


Which is the basic requirement of living organisms for obtaining energy?


Match the organisms given in column I with the processes given in column II:

  Column I   Column II
(i) Leech (a) Holozoic nutrition
(ii) Amoeba (b) Autotrophic nutrition
(iii) Mushroom (c) Parasitic nutrition
(iv) Green plant (d) Saprophytic nutrition

Match the terms in column I with those in column II :

  Column I   Column II
(i) Trypsin (a) Liver
(ii) Amylase (b) Gastric glands
(iii) Bile (c) Pancreas
(iv) Pepsin (d) Saliva

 


A person lives near a forest. Make a list of four items which he can get from the forest to meet his daily needs.

 

 

Name the green dot like structures in some cells observed by a student when a leaf peel was viewed under a microscope. What is this green colour due to?

 

 

Rewrite the food-chain given below with correct sequence.
Grasshopper– Snake– Paddyfield– Eagle– Frog


Complete the following flowchart.


Fill in the blank and explain the statement.

Our muscle cells perform ______ type of respiration during exercise.


Write definition.

Nutrition.


Write definition.

Glycolysis


Distinguish between Glycolysis and TCA cycle.


Write the forms to which following food materials are converted after digestion.
1.Milk
2. Potato.
3. Oil.
4. Chapati


Complete the following chart and state which process of energy production it represents:



Explain the ‘inhalation’.


Soil fertility is determined by its ability to :


Find an odd one out.


What are the main energy sources of living organisms?


How do the guard cells regulate opening and closing of stomatal pores?


Match the words of Column (A) with that of Column (B)

Column A Column B
Phloem (i) Excretion
Nephron (ii) Translocation of food
Veins (iii) Clotting of blood 
Platelets (iv) Deoxygenated blood

In each of the following situations what happens to the rate of photosynthesis?

  1. Cloudy days
  2. No rainfall in the area
  3. Good manuring in the area
  4. Stomata get blocked due to dust

Explain the following concept in short:

Balanced Diet


Give scientific reason.

Cell division is one of the important properties of cells and organisms.


Classify vitamins according to their solubility.


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