7th Class Science Transportation in Animals and Plants Question Bank

done Life Processes Total Questions - 40

• question_answer1)
  Which of the following statements is correct?

  Statement 1: Breathing is a part of respiration.

  Statement 2: Respiration is a part of breathing.

  A)
  Statement 1 is correct and statement 2 is incorrect. done clear
  B)
  Statement 2 is correct and statement 1 is incorrect. done clear
  C)
  Both the statement 1 and 2 are correct. done clear
  D)
  Both the statement 1 and 2 are correct, done clear
  E)
  None of these done clear
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• question_answer2)
  Animals which do not have lungs for breathing are:
  A)
  Grasshopper                   done clear
  B)
  Earthworm done clear
  C)
  Ant                   done clear
  D)
         All the above done clear
  E)
  None of these done clear
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• question_answer3)
  Water from roots to the leaves gets transported by the:
  A)
  Phloem              done clear
  B)
  Roots      done clear
  C)
  Xylem   done clear
  D)
         Leaves done clear
  E)
  None of these done clear
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• question_answer4)
  Blood vessel that carries blood from heart to all the parts of body?
  A)
  Veins                 done clear
  B)
  Arteries    done clear
  C)
  Capillaries          done clear
  D)
         Platelets done clear
  E)
  None of these done clear
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• question_answer5)
  Tiny filters present in the kidney:
  A)
  Neurons             done clear
  B)
  Ureters done clear
  C)
  Nephrons           done clear
  D)
         Bladders done clear
  E)
  None of these done clear
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• question_answer6)
  By mistake Ravi left a slice of bread on the kitchen slab in summers. When he came back after two days he found a dark green layer over the bread. This layer was of ___ and it reproduces by ____ .
  A)
  Bacteria, budding done clear
  B)
  Spirogyra, fragmentation done clear
  C)
  Mould, spore formation done clear
  D)
  Bryophyllum, leafmotificor done clear
  E)
  None of these done clear
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• question_answer7)
  Which type of pollination is shown in the given figure?
  A)
  Self pollination   done clear
  B)
  Cross pollination done clear
  C)
  No pollination done clear
  D)
         Fertilization done clear
  E)
  None of these done clear
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• question_answer8)
  Burning of food to release energy is:
  A)
  Photosynthesis    done clear
  B)
  Respiration done clear
  C)
  Translocation     done clear
  D)
         Transpiration done clear
  E)
  None of these done clear
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• question_answer9)
  \[Glu\operatorname{cose}\to Alcohol+C{{O}_{2}}+Energy\] The above chemical reaction can take place in:
  A)
  Human beings    done clear
  B)
  Dogs       done clear
  C)
  Yeasts   done clear
  D)
         All the above done clear
  E)
  None of these done clear
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• question_answer10)
  Lower chamber of heart includes:

  (i) Left atrium

  (ii) Left ventricle

  (iii) Right ventricle

  (iv) Right atrium

  A)
  (i) and (iii)                      done clear
  B)
  (ii) and (iv) done clear
  C)
  (i) and (iv)          done clear
  D)
         (ii) and (iii) done clear
  E)
  None of these done clear
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• question_answer11)
  Waste produced in liver after decomposition of unused food proteins is:
  A)
  Urine                 done clear
  B)
  Blood waste done clear
  C)
  Urea                  done clear
  D)
         Carbon dioxide done clear
  E)
  None of these done clear
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• question_answer12)
  Increased percentage of which gas will be present while exhaling in human beings?
  A)
  Carbon dioxide   done clear
  B)
  Oxygen done clear
  C)
  Nitrogen done clear
  D)
         Argon done clear
  E)
  None of these done clear
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• question_answer13)
  Which of the following statements is incorrect?
  A)
  Veins are the blood vessels which carry blood from all the parts of the body back to the heart. done clear
  B)
  Veins carry deoxygenated blood. done clear
  C)
  Pulmonary vein carries oxygenated blood. done clear
  D)
  Pulmonary vein carries blood from heart to other parts of the body. done clear
  E)
  None of these done clear
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• question_answer14)
  Which of the following reproduces by vegetative propagation?
  A)
  Potato               done clear
  B)
  Onion      done clear
  C)
  Ginger               done clear
  D)
  All the above done clear
  E)
  None of these done clear
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• question_answer15)
  Seeds which have spines or hooks on them get dispersed by:
  A)
  Explosion                       done clear
  B)
  Wind      done clear
  C)
  Animals done clear
  D)
         Water done clear
  E)
  None of these done clear
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• question_answer16)
  Which of the following cell organelles actively participates in aerobic respiration?
  A)
  Ribosomes                     done clear
  B)
  Mitochondria done clear
  C)
  Vacuole done clear
  D)
         Golgi body done clear
  E)
  None of these done clear
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• question_answer17)
  Which process is responsible for the absorption of water by the roots from the soil?
  A)
  Respiration                     done clear
  B)
  Photosynthesis done clear
  C)
  Osmosis done clear
  D)
         Transpiration done clear
  E)
  None of these done clear
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• question_answer18)
  Which of the following seeds are dispersed by explosion of fruit?
  A)
  Balsam  done clear
  B)
  Coconut    done clear
  C)
  Cotton               done clear
  D)
  Maple done clear
  E)
  None of these done clear
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• question_answer19)
  ___ present on the seeds help them to be carried by the wind.
  A)
  Spines               done clear
  B)
  Thick coat of fibre done clear
  C)
  Tiny hairs          done clear
  D)
         Hooks done clear
  E)
  None of these done clear
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• question_answer20)
  Exchange of gases between the air and blood takes place across the walls of_______.
  A)
  Bronchiole                     done clear
  B)
  Diaphragm done clear
  C)
  Alveoli   done clear
  D)
         Trachea done clear
  E)
  None of these done clear
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• question_answer21)
  With the help of gills a fish can:
  A)
  Absorb nutrients present in water. done clear
  B)
  Release waste substances in water. done clear
  C)
  Take in oxygen from air. done clear
  D)
  Take in oxygen dissolved in water. done clear
  E)
  None of these done clear
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• question_answer22)
  Which of the following statements is correct?

  Statement 1: Pollination occurs after fertilization.

  Statement 2: Fertilization occurs after pollination.

  A)
  Statement 1 is correct and statement 2 is incorrect. done clear
  B)
  Statement 2 is correct and statement 1 is incorrect. done clear
  C)
  Both the statements 1 and 2 are correct. done clear
  D)
  Both the statements 1 and 2 are incorrect. done clear
  E)
  None of these done clear
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• question_answer23)
  Zygote is formed in which part of the flower?
  A)
  Petals                done clear
  B)
  Sepals      done clear
  C)
  Stamens            done clear
  D)
         Ovary done clear
  E)
  None of these done clear
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• question_answer24)
  Raghu gets muscle cramp just after coming from running, the reason can be:
  A)
  Accumulation of alcohol in the muscles. done clear
  B)
  Accumulation of lactic acid in the muscles. done clear
  C)
  Accumulation of citric acid in the muscles. done clear
  D)
  Damaged leg. done clear
  E)
  None of these done clear
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• question_answer25)
  Match the following:

  Column A		Column B
  (i)	Butterfly	[A]	Lungs
  (ii)	Earthworm	[B]	Cell membrane
  (iii)	Amoeba	[C]	Moist Outer surface
  (iv)	Birds	[D]	Spiracles

  A)
  (i - B), (ii - C), (iii - A), (iv - D) done clear
  B)
  (i - D), (ii- C), (iii - B), (iv - A) done clear
  C)
  (i - D), (ii - B), (iii - C), (iv - A) done clear
  D)
  (i - B), (ii - D), (iii - C), (iv - A) done clear
  E)
  None of these done clear
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• question_answer26)
  Dandelion seeds are dispersed by:
  A)
  Wind     done clear
  B)
  Water done clear
  C)
  Animals done clear
  D)
         Explosion done clear
  E)
  None of these done clear
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• question_answer27)
  Yawning helps in:
  A)
  Removing unwanted waste. done clear
  B)
  Inhaling a deep breath of air. done clear
  C)
  Sneezing done clear
  D)
  All the above done clear
  E)
  None of these done clear
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• question_answer28)
  Which force is behind the pulling of water and minerals from of trees?
  A)
  Gravitational force          done clear
  B)
  Conduction force done clear
  C)
  Suction force      done clear
  D)
         All the above done clear
  E)
  None of these done clear
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• question_answer29)
  The cell which results after fusion of gametes is called:
  A)
  Spore                done clear
  B)
  Embryo    done clear
  C)
  Zygote   done clear
  D)
         Pistil done clear
  E)
  None of these done clear
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• question_answer30)
  A flower containing either only male or female reproductive organs is said to be:
  A)
  Hermaphrodite   done clear
  B)
  Complete flower done clear
  C)
  Incomplete flower            done clear
  D)
  Seed done clear
  E)
  None of these done clear
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• question_answer31)
  Which of the following chemical reactions is incorrect?
  A)
  \[Glu\operatorname{cose}\,\xrightarrow{oxygen}C{{O}_{2}}+{{H}_{2}}O+Energy\] done clear
  B)
  \[Glu\operatorname{cose}\,\xrightarrow{absence\,of\,oxygen}{{C}_{2}}{{H}_{5}}OH+C{{O}_{2}}+Energy\] done clear
  C)
  \[\text{Glucose}\xrightarrow{\text{absence}\,\,\text{of}\,\,\text{oxygen}}\text{lactic}\,\,\text{acid+C}{{\text{O}}_{\text{2}}}\text{+Energy}\] done clear
  D)
  All the above done clear
  E)
  None of these done clear
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• question_answer32)
  A curved sheet of muscle forming the floor of chest cavity.
  A)
  Ribcage             done clear
  B)
  Bronchiole done clear
  C)
  Larynx  done clear
  D)
         Diaphragm done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer33)
  Exchange of gases, digested food between blood and tissues takes place through the walls:
  A)
  Heart                done clear
  B)
  Arteries done clear
  C)
  Veins     done clear
  D)
         Capillaries done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer34)
  Which among the following has hooks over its seeds?
  A)
  Balsam              done clear
  B)
  Urena      done clear
  C)
  Maple                done clear
  D)
  Sunflower done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer35)
  Match the following:

  Column A		Column B
  (i)	Arteries	[A]	Exchange of gases
  (ii)	Veins	[B]	Liquid part of blood
  (iii)	Capillaries	[C]	Deoxygenated blood
  (iv)	Plasma	[D]	Oxygenated blood

  A)
  (i - B), (ii - C), (iii - D), (iv - A)        done clear
  B)
  (i - D), (ii - C), (iii - A), (iv - B) done clear
  C)
  (i - D), (ii - A), (iii - B), (iv - C)      done clear
  D)
  (i - C), (ii - D), (iii - B), (iv - A) done clear
  E)
  None of these done clear
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• question_answer36)
  Component of blood which helps in clotting of blood.
  A)
  Red blood cells   done clear
  B)
  White blood cells done clear
  C)
  Plasma  done clear
  D)
         Platelets done clear
  E)
  None of these done clear
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• question_answer37)
  A wall separating left side of heart from right side of heart is:
  A)
  Diaphragm                     done clear
  B)
  Sternum    done clear
  C)
  Septum done clear
  D)
  Platelet done clear
  E)
  None of these done clear
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• question_answer38)
  Which of the following statements is correct?

  (i) When we breathe in the ribcage moves upward and outward.

  (ii) When we breathe in the ribcage moves downward and inwards.

  (iii) When we breathe in diaphragm moves downward.

  (iv) When we breathe in diaphragm moves upward.

  A)
  (i) and (iv)                      done clear
  B)
  (ii) and (iii) done clear
  C)
  (i) and (iii)          done clear
  D)
         All the above done clear
  E)
  None of these done clear
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• question_answer39)
  Which of the following is excretory product of fish?
  A)
  Hydrogen                       done clear
  B)
  Nitrogen   done clear
  C)
  Oxygen done clear
  D)
         Ammonia done clear
  E)
  None of these done clear
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• question_answer40)
  Oxygenated blood first, enters in which of the following parts of the heart from the lungs?
  A)
  Right Ventricle    done clear
  B)
  Right atrium done clear
  C)
  Left ventricle      done clear
  D)
         Left atrium done clear
  E)
  None of these done clear
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