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Tuesday, January 28, 2014

Chapter 11 TRANSPIRATION IN PLANTS AND ANIMALS


    ONE WORD


Q-   Name the  blood vessels, which carry pure blood?

              A-  Artery

Q- Name the blood vessels which carry impure blood?

      A-      Vein

Q- Name of the artery which carries impure blood?

         A-  Pulmonary artery

Q- Name of the artery which carries pure blood?

      A-      Pulmonary vein

Q-  Name of the muscles of heart?

         A-  Cardiac muscles

Q- Name of the vessel which carry soluble food from the leaves to different parts of a plant?

        A-       Phloem

Q- The cells which give red color to the human blood?

     A-        Red blood cells

Q- Name the red protein which gives red color to the red blood cells?

    A-          Haemoglobin

Q- Loss of water in the form of water vapor from a plant body is called?

    A-           Transpiration

Q- A fine network of arteries, which join the veins, is called?

    A-           Capillaries

Q- Name the vessels, which carry water in the plant?

   A-              Xylem

Q- Haemoglobin gives red color to?

  A-              RBCs

Q- Blood cells that help clotting of the blood are called?

 A-              Blood platelets

Q- Blood cells which are the soldiers of the body and fight against the disease germs?

 A-              WBCs

Q- Name the liquid part of the blood that hold RBCs, WBCs, platelets, and salts?

A-              Plasma

Q-Heart beats may go up to what excel while exercising?

A-              140

Q- Name two vascular tissues?

A-              Phloem
            Xylem

Q- Name which has oxygenated pure blood?

A-              Arteries

Q- Name which has carbon dioxide rich blood?

A-              Veins

Q- Process of artificial separation of waste from blood is called?

A-             Dialysis

Q- What does blood consists?

A-              Fluid, plasma, RBCs, WBCs, platelets

SHORT QUESTION AND ANSWERS

Q- Name the Products excreted by plants?

    A-Carbon dioxide
                           Excess water
                          Secretions like gum, latex,essential oils

                  
Q- What prevents the back flow of blood from the ventricles in the auricles?

A-     Because the auricles and ventricles are valves which do not allow the back flow of the blood

Q-Write short note on plasma?

A-      Pale yellow fluid with sugar is called plasma.

Q- Write short note on capillaries?

A-        These are fine blood vessels connecting arteries to veins forming a network.




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Sunday, January 26, 2014

CHAPTER NO-18 WASTER WATER STORY

ONE WORD-

Q- Saline water in sea is called?
A-Marine water


Q- Clean water fit for drinking is called?
A-Potable water

Q- Dirty water containing garbage and human wastes is called?
A-Sewage

Q-fuel obtained from decomposing sludge is called?
A-Biogas

Q- Sewerage  system leads from house, hospitals and industries is send to?
A- Sewage treatment plant.

Q- What is use of dried sludge?
A- Manure

Q-What is removed by sand filter?
A- Small impurities.

Q-Name the by-products of waster water treatment?
A-Sludge and biogas

Q-Examples of onsite sewage disposal system?
A-Septic tanks, chemical toilets, composting pits.

Q-Name some waterborne diseases?
A-Cholera,typhoid, polio, meningitis, hepatitis and dysentery.

Q-Which trees are advised to be grown along sewage ponds and why?
A-Eucalyptus trees because these trees absorb super plus waste water rapidly and release pure water vapor into the atmosphere.


Short notes-

Contaminants-

Sewage water has  some dissolved and suspended impurities, these impurities are called contaminants.

Sewage-

Waste water containing garbage, human waste and washings is called sewage

Biogas-

Fuel gas coming from decaying decomposed biodegradable matter is called biogas.

Sewerage system-

A network of underground drains which carry waste water along with waste matter is called sewerage system.

Contamination-

Adding pollution and getting polluted with harmful components is called contamination.

Sludge-

Solid waste that settle down as sediment.

Q-What are the possible constituents of sewage?
A-

  • Waste food
  •  Human and animal faeces
  •     Washings like soap and detergents.
  •     Washed off rags and rubbish
  •     Dust,sand  and grit
  •     Microbes like bacteria and fungi

Q-Examples of onsite sewage disposal system?

A-Septic tanks, chemical toilets, composting pits.

Q-Name some waterborne diseases?

A-Cholera,typhoid, polio, meningitis, hepatitis and dysentery.

Q-Which trees are advised to be grown along sewage ponds and why?


A-Eucalyptus trees because these trees absorb super plus waste water rapidly and release pure water vapor into the atmosphere.


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Chapter no- 9 SOIL




One word

Q- What does the natural process of soil formation from rocks called?
A - Weathering

Q- Decomposed matter formed by the decay of biodegradable matter by microorganisms is called?
A-    Humus

Q- Water held by soil particles is called?
A-    Capillary water

Q-Mixture of sand,clay,humus forming soil is called?
A-    Loam

Q- Soil is formed by the breaking of rocks in nature due to?
A-    Weathering

Q-Topmost layer of soil is called?
A-    A horizon

Q- Soil which cannot hold much water is?
A-    Sandy soil

Q- Soil which can hold much water is?
Or
Q- Water capacity is high in which soil?
A-    Clay

Q- What kind of soil is suitable for rice crop?
A-    Clayey soil

Other important questions

Q- Name the components of soil?
1.     Rock and soil particles of different kinds and sizes
2.     Variety of mineral salts present in the soil
3.     Soil water
4.     Soil air
5.     Soil organisms-microbes, worms, insects etc.
6.     Humus

Q- Name three horizons of soil?
1.     A horizon
2.     B horizon
3.     C horizon


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