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ENGLISH (NCERT ) CLASS - 6 CHAPTER - 4 ( INDIAN - AMERICAN WOMEN IN SPACE                       KALPANA CHAWLA ) WORKING WITH THE TEXT QUESTION A.  Answer the following questions. QUESTION 1.  Where was Kalpana Chawla born? Why is she called an Indian – American? (3) ANSWER Kalpana Chawla was born in Karnal, district of Haryana, India. She was called an Indian - American because she went to US and became its naturalised citizen. QUESTION 2.  When and why did she go to the U.S.? Who did she marry? (2, 3) ANSWER After completing Bachelor of Science degree in aeronautical engineering, she went to USA for masters degree. She married to flight instructor Jean - Pierre Harrison. QUESTION 3.  How did she become an astronaut? What gave her the idea that she could be an astronaut? (3) ANSWER After qualifying as a pilot. She applied to NASA space shuttle program. She was first hir...

ENGLISH (NCERT ) CLASS - 6 POEM - 4 ( BEAUTY  ) WORKING WITH THE POEM QUESTION 1.  The poet says, “Beauty is heard in …” Can you hear beauty? Add a sound that you think is beautiful to  the sounds the poet thinks are beautiful. The poet, Shelley, said: Heard melodies are sweet, But those unheard are sweeter. What do you think this means? Have you ever ‘heard’ a song in your head, long after the song was sung or played? ANSWER According to the poet melodious nates of the rain falling or singers chanting are very pleasing to the ears. But without producing the sound some unheard beauty is also exists which is better than the produced sound with. Like good deeds done by us, good though in our mind and its reflects in our work. QUESTION 2.  Read the first and second stanzas of the poem again. Note the following phrases. corn growing, people working or dancing, wind sighing, rain falling, a singer chanting These could be wr...

WHAT IS ASTHMA       Asthma is a disease of lungs. It may be termed as chronic respiratory disease. In case of asthma airway become narrow due to inflammation and breathing in difficulty occurs. Coughing,wheezing,shortness of breath and chest tightness are main asthma symptoms. It is also referred as bronchial asthma. With proper care and treatment asthmatic patient can live well. CLASSIFICATION OF ASTHMA       Asthma is classified in to followings according to the severity -- Mild intermittent asthma Mild persistent asthma moderate persistent asthma Severe persistent asthma SYMPTOMS OF ASTHMA    There are three main symptoms of asthma  -- AIRWAY OBSTRUCTION --      The airway is surrounded by band of muscles which are relaxed in normal condition and allow the air to pass through. In case of asthma band of muscles becomes tighten and air cannot move freely. Adequate amount of air cannot reach to the lung...

     Pneumonia is a lung infection. When air sacs in lungs that is also called alveoli filled with fluid or pus. Through alveoli changing of gas  takes place. Due to filled with water or pus it is difficult to take breathe and sufficient oxygen does not reach in blood steam. Anyone can be infected with pneumonia but infants less than two years and and people above the age of 65 years are very prone to this infection. This is because of their immune system is not so strong that they can fight with an infection. In case of pneumonia one lung or both lungs may be infected. It is caused by virus,bacteria and fungi. Smoking and drinking can increase the chances of getting pneumonia. SYMPTOMS OF PNEUMONIA      Symptoms may vary depending on the severity and age. The followings symptoms may appear --- Having chest while breathing and coughing Cough with mucus Loss of appetite and fatigue Nausea,vomiting and diarrhoea Shortness of breath Fever,...

     When blood pressure level comes less than 90/60 mm of Hg then it term as low blood pressure. Normal blood pressure is 120/80 mm of Hg. In case of low blood pressure heart,brain and other organs may not get adequate blood supply. Low blood pressure with no symptoms is not a serious problem, but it may be severe when when blood pressure drops suddenly and the brain is not getting sufficient blood it may cause dizziness, mild headache.       The problem of both low and high blood pressure normally occurs due to increase in age. The another reason is blood flow to heart muscles and the brain declines with age because of plaque build up in blood vessels. CAUSES OF LOW BLOOD PRESSURE     The exact cause of low blood pressure is not always known. Low blood pressure may be associated with the followings problems  --  In case of hormonal imbalance,diabetes or low blood sugar.  In case of medication like high blood pressure...

   Vertigo is a condition in which individual feels a sense of spinning dizziness. It may cause due to the problem in inner ear,brain or pathway of the sensory nerve. It can happen at any age but most people affected in old age. It can also be feel when a person looks down from a great height to downwards. SYMPTOMS OF VERTIGO     A person with vertigo will feel spinning dizziness. It is a symptoms but it may lead to other symptoms also  like -  Balancing problem  Nausea and vomiting  Ringing in the ear ( tinnitus )  Headaches  Feeling of fullness in the ear  Uncontrollably movement of eye usually from side to side CAUSES OF THE VERTIGO   Various condition can lead to vertigo which usually involves the problem with inner ear or problem with the central nervous system. The followings conditions may lead to vertigo - Labyrinthitis Vestibular Neuritis Cholesteatoma Meniere Disease Head injury Ear surg...

        Syphilis is a sexually transmitted disease caused by bacteria known as Treponemia pallidum. Syphilis could be a challenging to diagnosed. Some individual may be a career without showing any symptoms for years .If it can be detected earlier then it would be better for the treatment. If it not treated for a long time,then it may cause major damage to important organs such as heart and brain. It is spread through direct contact. It cannot be transmitted by sharing the belongings of the infected person.   Syphilis infection has four stage ie primary,secondary,latent and tertiary.  CAUSES OF SYPHILIS      It is caused by bacteria Treponemia pallidum . It may be transmitted from one person to another during sexual activity. This infection can pass from a women to a fetus during pregnancy or an infant during delivery. This is called congenital syphilis. RISK FACTORS OF SYPHILIS    The sexually active people are at h...