{"id":27415,"date":"2022-02-14T11:27:59","date_gmt":"2022-02-14T05:57:59","guid":{"rendered":"https:\/\/apboardsolutions.guru\/?p=27415"},"modified":"2022-02-14T11:27:59","modified_gmt":"2022-02-14T05:57:59","slug":"ap-7th-class-science-bits-chapter-4-english-medium","status":"publish","type":"post","link":"https:\/\/apboardsolutions.guru\/ap-7th-class-science-bits-chapter-4-english-medium\/","title":{"rendered":"AP 7th Class Science Bits Chapter 4 Respiration and Circulation with Answers"},"content":{"rendered":"

Practice the AP 7th Class Science Bits with Answers <\/a>Chapter 4 Respiration and Circulation on a regular basis so that you can attempt exams with utmost confidence.<\/p>\n

AP 7th Class Science Bits Chapter 4 Respiration and Circulation with Answers<\/h2>\n

I. Multiple Choice Questions<\/span><\/p>\n

1. In which process accumulated semisolid wastes come out?
\nA) Sneezing
\nB) Yawning
\nC) Coughing
\nD) Apnea
\nAnswer:
\nC) Coughing<\/p>\n

2. Which of the following is occured when food enters in the wind pipe?
\nA) Sneezing
\nB) Yawning
\nC) Coughing
\nD) Apnea
\nAnswer:
\nD) Apnea<\/p>\n

3. First aid for bleeding is
\nA) Create pressure on the diaphragm
\nB) Cover with bandage
\nC) Upside down
\nD) Above all
\nAnswer:
\nB) Cover with bandage<\/p>\n

4. Which of the following requires oxygen?
\nA) Aerobic respiration
\nB) Anaerobic respiration
\nC) Both A & B
\nD) None
\nAnswer:
\nA) Aerobic respiration<\/p>\n

5. The process of inhaling air is called
\nA) Breathing
\nB) Inspiration
\nC) Expiration
\nD) Respiration
\nAnswer:
\nB) Inspiration<\/p>\n

6. The opening of the nose is called
\nA) Nostrils
\nB) Nasal cavity
\nC) Pharynx
\nD) wind pipe
\nAnswer:
\nA) Nostrils<\/p>\n

7. Inspiration occurs due to
\nA) Ribcage move upward
\nB) Diaphragm move upward
\nC) Air enters the lungs
\nD) A & B
\nAnswer:
\nA) Ribcage move upward<\/p>\n

\"AP<\/p>\n

8. Quantity of nitrogen present in the inhaled air …………%.
\nA) 21
\nB) 25
\nC) 78
\nD) 0.4
\nAnswer:
\nC) 78<\/p>\n

9. Quantity of water vapour in exhaled air 0.4 …………%.
\nA) 15
\nB) 4
\nC) 78
\nD) 3
\nAnswer:
\nD) 3<\/p>\n

10. This gas turns lime water into milky white
\nA) Oxygen
\nB) Hydrogen
\nC) Carbon dioxide
\nD) Nitrogen
\nAnswer:
\nC) Carbon dioxide<\/p>\n

11. Find the correct statement
\ni) In the lungs, Carbon dioxide from the inhaled air is absorbed by the blood vessels present in the lungs.
\nii) Oxygen collected by the blood vessels from all parts of the body enters into the Lungs.
\nA) both are correct
\nB) i only correct
\nC) ii only correct
\nD) both are wrong
\nAnswer:
\nD) both are wrong<\/p>\n

12. This will help to quit smoking.
\nA) Will power
\nB) support of the family and friends
\nC) medical and psychological treatment
\nD) All the above
\nAnswer:
\nD) All the above<\/p>\n

13. Nicotine is present in this leaf
\nA) Neem
\nB) Pipal
\nC) Tobacco
\nD) Betel
\nAnswer:
\nC) Tobacco<\/p>\n

14. Find the odd one
\nA) Grasshopper
\nB) Cockroach
\nC) Earthworm
\nD) Honey bee
\nAnswer:
\nC) Earthworm<\/p>\n

15. Frogs respires through
\nA) Lungs
\nB) Skin
\nC) Tracheae
\nD) Both A & B
\nAnswer:
\nD) Both A & B<\/p>\n

16. Fish respire through
\nA) Gills
\nB) Skin
\nC) Lung
\nD) Both A & B
\nAnswer:
\nA) Gills<\/p>\n

\"AP<\/p>\n

17. Marine animal that respire through lung is
\nA) Fish
\nB) Dolphins
\nC) Prawn
\nD) Star fish
\nAnswer:
\nB) Dolphins<\/p>\n

18. Respiration in plants occurs through
\nA) Stomata
\nB) Lenticles
\nC) Root hairs
\nD) All the above
\nAnswer:
\nD) All the above<\/p>\n

19. Honey bee : Tracheae :: Earth worm : ?
\nA) Gill
\nB) Lung
\nC) Skin
\nD) None of, these
\nAnswer:
\nC) Skin<\/p>\n

20. In this process, energy released in our body
\nA) Photosynthesis
\nB) Digestion
\nC) Respiration
\nD) Circulation
\nAnswer:
\nC) Respiration<\/p>\n

21. This process helps in the supply of digested food and oxygen to all parts of the body
\nA) Digestion
\nB) Circulation
\nC) Excretion
\nD) Photosynthesis
\nAnswer:
\nB) Circulation<\/p>\n

22. This is not a part of circulatory system ….
\nA) Lungs
\nB) Heart
\nC) Blood vessels
\nD) Blood
\nAnswer:
\nA) Lungs<\/p>\n

\"AP<\/p>\n

23. Upper two chambers of the heart are called
\nA) Arteries
\nB) Ventricles
\nC) Atria
\nD) Veins
\nAnswer:
\nC) Atria<\/p>\n

24. The fluid portion of the blood is
\nA) RBC
\nB) WBC
\nC) Blood platelets
\nD) Plasma
\nAnswer:
\nD) Plasma<\/p>\n

25. They protect us from the harmful, disease causing micro organisms that enter into our body.
\nA) RBC
\nB) WBC
\nC) Blood platelets
\nD) Plasma
\nAnswer:
\nB) WBC<\/p>\n

26. They play an important role in coagulation of blood…….
\nA) RBC
\nB) WBC
\nC) Blood platelets
\nD) Plasma
\nAnswer:
\nC) Blood platelets<\/p>\n

27. They plays a key role in respiration.
\nA) RBC
\nB) WBC
\nC) Blood platelets
\nD) Plasma
\nAnswer:
\nA) RBC<\/p>\n

28. Which of the following does not have blue coloured blood
\nA) Prawns
\nB) Snails
\nC) Cockroach
\nD) Crabs
\nAnswer:
\nD) Crabs<\/p>\n

29. This life processes play an important role in release of energy in organisms.
\nA) Digestion
\nB) Respiration
\nC) Circulation
\nD) All the above
\nAnswer:
\nA) Digestion<\/p>\n

30. Which of the following is not a non communicable diseases?
\nA) Heart attack
\nB) COVID – 19
\nC) Cancer
\nD) Paralysis
\nAnswer:
\nB) COVID – 19<\/p>\n

31. Identify the bacterial disease
\nA) Common cold
\nB) Polio
\nC) Tuberculosis
\nD) HIV
\nAnswer:
\nC) Tuberculosis<\/p>\n

\"AP<\/p>\n

32. Identify the viral, disease
\nA) Typhoid
\nB) Common cold
\nC) Cholera
\nD) Tuberculosis
\nAnswer:
\nB) Common cold<\/p>\n

33. SMS protocol is for this disease
\nA) Polio
\nB) COVID
\nC) Cancer
\nD) Paralysis
\nAnswer:
\nB) COVID<\/p>\n

34. This is caused due to insufficient supply of Oxygen to the brain.
\nA) Coughing
\nB) Sneezing
\nC) Deglutition
\nD) Yawning
\nAnswer:
\nD) Yawning<\/p>\n

35. This process prevents the food from entering into the windpipe.
\nA) Coughing
\nB) Sneezing
\nC) Deglutition
\nD) Yawning
\nAnswer:
\nC) Deglutition<\/p>\n

\"AP<\/p>\n

36. This occurs when the wind pipe is obstructed by an object leading to blocking of air….
\nA) Coughing
\nB) Sneezing
\nC) Deglutition
\nD) Choking
\nAnswer:
\nD) Choking<\/p>\n

II. Fill in the blanks<\/span><\/p>\n

1. COVID -19 is caused by a virus called …………………… .
\n2. SARS means …………………… .
\n3. Giving assistance before a doctor attending is called …………………… .
\n4. The temporary arrest of respiration is called …………………… .
\n5. The process of inhalation and exhalation of air is called …………………… .
\n6. The process of inhaling air is called …………………… .
\n7. The process of exhalation of air is called …………………… .
\n8; The number of times we inhale and exhale air in a minute is called the
\n9. We breathe about …………………… times per minute normally.
\n10. One inhalation and one exhalation together called one
\n11. …………………… is the first part of the Wind pipe.
\n12. …………………… is the process which helps in the release of energy in our body.
\n13. …………………… are the respiratory organs in human beings.
\n14. The …………………… lung is slightly larger than the …………………… one.
\n15. Wind pipe is kept in its shape by …………………… .
\n16. Lungs are protected by …………………… .
\n17. …………………… is the thin muscular sheet attached to the lower side of the ribcage.
\n18. …………………… forms the floor of the chest cavity.
\n19. …………………… play key role in the respiratory movements in man.
\n20. …………………… play key role in the respiratory movements in woman.
\n21. …………………… are the only part of the human body which floats on water
\n22. …………………… is the gas produced in photosynthesis.
\n23. Percentage of carbon dioxide in the inhaled air is …………………… .
\n24. Percentage of oxygen in the inhaled air is …………………… .
\n25. Percentage of carbon dioxide in the exhaled air is …………………… .
\n26. Percentage of oxygen in the exhaled air is …………………… .
\n27. Lime water turns milky white when it reacts with …………………… .
\n28. Glucose + Oxygen \u2192 …………………… + water + Energy
\n29. Tobacco smoke contains a highly dangerous substance called
\n30. …………………… respiration is present in insects.
\n31. Breathing through the skin is called …………………… respiration.
\n32. Respiration carried out by gills is called …………………… .
\n33. Respiration through is called Pulmonary respiration.
\n34. Plants respire through on the leaf and on the stem.
\n35. …………………… is the pumping organ in the blood circulatory system.
\n36. Upper two chambers of the heart are called and lower two chambers are called …………………… .
\n37. The rhythmic contraction followed by its relaxation of the heart is called …………………… .
\n38. Heart beat can be felt and measured by an instrument called …………………… .
\n39. …………………… carry blood with more oxygen from heart to body parts.
\n40. …………………… carry blood with more carbon dioxide from the body parts to the heart.
\n41. …………………… connect the arteries with the Veins
\n42. …………………… is the fluid portion of the blood.
\n43. …………………… act like police force of our body.
\n44. Red blood cells have a colouring pigment called …………………… .
\n45. …………………… acts as a carrier for oxygen and carbon dioxide in blood.
\n46. …………………… play an important role in coagulation of blood …………………… .
\n47. Blood present in cockroach is
\n48. …………………… is the storage point for undigested food.
\n49. Blood in snails is …………………… in colour.
\n50. …………………… was the new disease that created a global impact recently.
\n51. …………………… is the inbuilt capacity of the body to fight and overcome the effects of disease-causing germs.
\n52. The entry of disease-causing germs into our body is called ……………… .
\n53. COVID-19 virus spreads primarily through …………………… of infected person.
\nAnswer:<\/p>\n

    \n
  1. SARS CoV – 2<\/li>\n
  2. Severe Acute Respiratory Syndrome<\/li>\n
  3. First aid.<\/li>\n
  4. Apnea<\/li>\n
  5. breathing<\/li>\n
  6. inspiration<\/li>\n
  7. expiration<\/li>\n
  8. Respiratory Rate<\/li>\n
  9. 14 to 20<\/li>\n
  10. breath<\/li>\n
  11. Larynx<\/li>\n
  12. Respiration<\/li>\n
  13. Lungs<\/li>\n
  14. right<\/li>\n
  15. C Shaped rings<\/li>\n
  16. ribcage<\/li>\n
  17. Diaphragm<\/li>\n
  18. Diaphragm<\/li>\n
  19. Diaphragm<\/li>\n
  20. Ribcage<\/li>\n
  21. Lungs<\/li>\n
  22. Oxygen<\/li>\n
  23. 0.04%<\/li>\n
  24. 21%<\/li>\n
  25. 4%<\/li>\n
  26. 15%<\/li>\n
  27. carbon dioxide<\/li>\n
  28. Carbon dioxide<\/li>\n
  29. Nicotine<\/li>\n
  30. Tracheal<\/li>\n
  31. cutaneous<\/li>\n
  32. branchial respiration<\/li>\n
  33. lungs<\/li>\n
  34. stomata, lenticels<\/li>\n
  35. Heart<\/li>\n
  36. atria, ventricles<\/li>\n
  37. heartbeat<\/li>\n
  38. Stethoscope<\/li>\n
  39. Arteries<\/li>\n
  40. Veins<\/li>\n
  41. Blood capillaries<\/li>\n
  42. Plasma<\/li>\n
  43. White blood cells<\/li>\n
  44. Haemoglobin<\/li>\n
  45. Haemoglobin<\/li>\n
  46. Blood platelets<\/li>\n
  47. colourless<\/li>\n
  48. Rectum<\/li>\n
  49. bluish<\/li>\n
  50. COVID-19<\/li>\n
  51. Immunity<\/li>\n
  52. infection<\/li>\n
  53. droplets of saliva or nasal discharges<\/li>\n<\/ol>\n

    III. Match the following<\/span><\/p>\n

    1.<\/p>\n\n\n\n\n\n\n\n\n\n
    Group – A<\/td>\nGroup – B<\/td>\n<\/tr>\n
    A) Opening of the nose<\/td>\n1) Nostrils<\/td>\n<\/tr>\n
    B) Mucus and nasal hair<\/td>\n2) Nasal cavity<\/td>\n<\/tr>\n
    C) Common chamber<\/td>\n3) Lungs<\/td>\n<\/tr>\n
    D) Wide tube<\/td>\n4) Wind pipe<\/td>\n<\/tr>\n
    E) Branches of wind pipe<\/td>\n5) Bronchi<\/td>\n<\/tr>\n
    F) Spongy and elastic<\/td>\n6) Pharynx<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Answer:<\/p>\n\n\n\n\n\n\n\n\n\n
    Group – A<\/td>\nGroup – B<\/td>\n<\/tr>\n
    A) Opening of the nose<\/td>\n1) Nostrils<\/td>\n<\/tr>\n
    B) Mucus and nasal hair<\/td>\n2) Nasal cavity<\/td>\n<\/tr>\n
    C) Common chamber<\/td>\n6) Pharynx<\/td>\n<\/tr>\n
    D) Wide tube<\/td>\n5) Bronchi<\/td>\n<\/tr>\n
    E) Branches of wind pipe<\/td>\n4) Wind pipe<\/td>\n<\/tr>\n
    F) Spongy and elastic<\/td>\n3) Lungs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    2.<\/p>\n\n\n\n\n\n\n\n\n\n
    Group – A<\/td>\nGroup – B<\/td>\n<\/tr>\n
    A) Red blood cells<\/td>\n1) Earthworm<\/td>\n<\/tr>\n
    B) White blood cells<\/td>\n2) Cockroach<\/td>\n<\/tr>\n
    C) Blood platelets<\/td>\n3) Carrier for oxygen and carbondioxide<\/td>\n<\/tr>\n
    D) Colourless blood<\/td>\n4) Coagulation of blood<\/td>\n<\/tr>\n
    E) Blue colour blood<\/td>\n5) Police force of our body<\/td>\n<\/tr>\n
    <\/td>\n6) Snails<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Answer:<\/p>\n\n\n\n\n\n\n\n\n
    Group – A<\/td>\nGroup – B<\/td>\n<\/tr>\n
    A) Red blood cells<\/td>\n3) Carrier for oxygen and carbondioxide<\/td>\n<\/tr>\n
    B) White blood cells<\/td>\n5) Police force of our body<\/td>\n<\/tr>\n
    C) Blood platelets<\/td>\n4) Coagulation of blood<\/td>\n<\/tr>\n
    D) Colourless blood<\/td>\n2) Cockroach<\/td>\n<\/tr>\n
    E) Blue colour blood<\/td>\n6) Snails<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    3.<\/p>\n\n\n\n\n\n\n\n\n\n
    Group – A<\/td>\nGroup – B<\/td>\n<\/tr>\n
    A) Sneezing<\/td>\n1) Wastes in the lungs expelled out<\/td>\n<\/tr>\n
    B) Yawning<\/td>\n2) Inhale air with dust<\/td>\n<\/tr>\n
    C) Coughing<\/td>\n3) Obstruction Of wind pipe leading to blocking Of air<\/td>\n<\/tr>\n
    D) Apnea<\/td>\n4) Bleeding injury<\/td>\n<\/tr>\n
    E) Choking<\/td>\n5) Insufficient supply of Oxygen to the brain<\/td>\n<\/tr>\n
    <\/td>\n6) Prevents the food from, entering into the windpipe<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Answer:<\/p>\n\n\n\n\n\n\n\n\n
    Group – A<\/td>\nGroup – B<\/td>\n<\/tr>\n
    A) Sneezing<\/td>\n2) Inhale air with dust<\/td>\n<\/tr>\n
    B) Yawning<\/td>\n5) Insufficient supply of Oxygen to the brain<\/td>\n<\/tr>\n
    C) Coughing<\/td>\n1) Wastes in the lungs expelled out<\/td>\n<\/tr>\n
    D) Apnea<\/td>\n6) Prevents the food from, entering into the windpipe<\/td>\n<\/tr>\n
    E) Choking<\/td>\n3) Obstruction Of wind pipe leading to blocking Of air<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    4.<\/p>\n\n\n\n\n\n\n\n\n\n
    Group – A<\/td>\nGroup – B<\/td>\n<\/tr>\n
    A) Typhoid<\/td>\n1) Non communicable diseases<\/td>\n<\/tr>\n
    B) Polio<\/td>\n2) Pumping organ in the circulatory system<\/td>\n<\/tr>\n
    C) Heart attack<\/td>\n3) Bacterial disease<\/td>\n<\/tr>\n
    D) Capillaries<\/td>\n4) Carry blood with more oxygen<\/td>\n<\/tr>\n
    E) Heart<\/td>\n5) Viral disease<\/td>\n<\/tr>\n
    <\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Answer:<\/p>\n\n\n\n\n\n\n\n\n
    Group – A<\/td>\nGroup – B<\/td>\n<\/tr>\n
    A) Typhoid<\/td>\n3) Bacterial disease<\/td>\n<\/tr>\n
    B) Polio<\/td>\n5) Viral disease<\/td>\n<\/tr>\n
    C) Heart attack<\/td>\n1) Non communicable diseases<\/td>\n<\/tr>\n
    D) Capillaries<\/td>\n6) Connect the arteries with the veins<\/td>\n<\/tr>\n
    E) Heart<\/td>\n2) Pumping organ in the circulatory system<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

    Practice the AP 7th Class Science Bits with Answers Chapter 4 Respiration and Circulation on a regular basis so that you can attempt exams with utmost confidence. AP 7th Class Science Bits Chapter 4 Respiration and Circulation with Answers I. Multiple Choice Questions 1. In which process accumulated semisolid wastes come out? A) Sneezing B) …<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[12],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts\/27415"}],"collection":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/comments?post=27415"}],"version-history":[{"count":1,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts\/27415\/revisions"}],"predecessor-version":[{"id":27416,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/posts\/27415\/revisions\/27416"}],"wp:attachment":[{"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/media?parent=27415"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/categories?post=27415"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/apboardsolutions.guru\/wp-json\/wp\/v2\/tags?post=27415"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}