CHAPTER 6 : LIFE PROCESSES -2

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GHS (RMSA) THORALAKKI, MALUR TALUK, KOLAR DISTRICT

Name of the Student : *

School : *

District : *

1) Circulatory system in human beings consists of : *

1 point

(a) Blood

(b) Blood vessels

(d) All the above

2) Which of the following substances are transported by plasma ? *

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(a) Food

(b) Carbon dioxide

(d) All the above

3) What prevents backflow of blood inside the heart during contraction? *

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(a) Thin walls of atria

(b) Thick muscular walls of ventricles

(d) All of the above

4) Left atrium receives ______ blood from _______ : *

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(a) oxygenated, different parts of body

(b) oxygenated, lungs

(d) deoxygenated, lungs

5) Right atrium receives ______ blood from _______ : *

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(a) oxygenated, Pulmonary vein

(b) oxygenated, Pulmonary artery

(d) deoxygenated, Aorta

6) Left ventricle pumps _____ blood to _________ : *

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(a) oxygenated, different parts of body

(b) oxygenated, lungs

(d) deoxygenated, lungs

7) Right ventricle pumps _____ blood to _________ : *

1 point

(a) oxygenated, different parts of body

(b) oxygenated, lungs

(d) deoxygenated, lungs

8) In which of the following vertebrate group(s), heart does not pump oxygenated blood to different parts of the body ? *

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(a) Pisces and Amphibians

(b) Amphibians and Reptiles

(d) Pisces only

9) Choose the correct statement that describes arteries : *

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(a) They have thick elastic walls, blood flows under high pressure; collect blood from different organs and bring it back to the heart

(b) They have thin walls with valves inside, blood flows under low pressure and carry blood away from the heart to various organs of the body

(c) They have thick elastic walls without valves inside, blood flows under high pressure and carry blood away from the heart to different parts of the body

(d) They have thick elastic walls, blood flows under low pressure; carry blood from the heart to various organs of the body

10) The exchange of material between blood and surrounding cells takes place here : *

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(a) Heart

(b) Artery

(d) Capillaries

11) The blood vessel that carries oxygenated blood from the heart to the body's organs : *

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(a) Renal artery

(b) Pulmonary Artery

(d) Upper and Lower Vena Cava

12) The blood leaving the tissues becomes richer in : *

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(a) carbon dioxide

(b) glucose

(d) oxygen

13) Four chambered heart is the characteristic feature of this group of animals : *

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(a) Pisces

(b) Amphibians

(d) Birds & Mammals

14) In human beings, function of the circulatory system is : *

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(a) transport of oxygen and carbon dioxide

(b) transport of food materials

(d) All the above

15) An instrument used for measuring blood pressure: *

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(a) sphygmomanometer

(b) thermometer

(d) oximeter

16) In Human beings, the normal blood pressure (systolic pressure and diastolic pressure) is : *

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(a) 80/120 mm of Hg

(b) 130/90 mm of Hg

(d) 140/80 mm of Hg

17) The kidneys in human beings are a part of the system for : *

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(a) nutrition

(b) respiration

(d) transportation

18) The xylem in plants are responsible for : *

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(a) transport of water.

(b) transport of food.

(d) transport of oxygen.

19) The filtration units of kidneys are called : *

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(a) ureter

(b) alveoli

(d) nephrons

20) Choose the correct path of urine in our body : *

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(a) kidney → ureter → urethra → urinary bladder

(b) kidney → urinary bladder → urethra → ureter

(d) urinary bladder → kidney → ureter → urethra

21) Glucose and water reabsorption levels are lower in a person due to damage to kidneys. There is a possibility of damage in this part of the given image: *

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(a) P

(b) Q

(d) S

22) Which of this heart is useful for animals with high energy requirements? *

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(a) Figure 1

(b) Figure 2

(d) All of these

23) Transport of soluble products of photosynthesis is called __________ and it occurs in the part of the vascular tissue known as ________ . *

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(a) Transpiration, Xylem

(b) Translocation, Phloem

(d) Diffusion, Phloem

24) The loss of water in the form of vapour from the aerial parts of the plant is known as : *

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(a) Transpiration

(b) Translocation

(d) Diffusion

25) Importance of transpiration in plants : *

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(a) in temperature regulation

(b) in the absorption of water and minerals from roots

(d) All the above

26) The strategy (ies) used for excretion by plants : *

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(a) They can get rid of excess water by transpiration.

(b) Waste products may be stored in leaves that fall off.

(d) All the above

27) Function of Kidneys : *

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(a) Urine production

(b) Maintaining water balance in the body

(d) All the above

28) In the given figure the arrow indicates: *

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(a) Aorta

(b) Pulmonary artery

(d) Pulmonary vein

29) The given figure indicates: *

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(a) Circulation in Pisces

(b) Circulation in Amphibians

(d) Circulation in Mammals

30) Observe the given picture. Name the processes that takes place in parts A, B and C respectively in the urine production are: *

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(a) glomerular filtration, tubular secretion, selective reabsorption

(b) glomerular filtration, selective reabsorption, tubular secretion

(d) tubular secretion, glomerular filtration, selective reabsorption

31) Role of stomata during transportation: *

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(a) Creating upward movement

(b) Absorbing of carbon dioxide

(d) Continuous transpiration

32) The plant roots absorb water from the soil through this process : *

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(a) Transpiration

(b) Diffusion

(d) Translocation

SECTIONAL VIEW OF HUMAN HEART :

EXCRETORY SYSTEM IN HUMAN BEINGS :

STRUCTURE OF NEPHRON :

SCHEMATIC REPRESENTATION OF DOUBLE CIRCULATION :

GOPALA RAO C K

GHS (RMSA) THORALAKKI, MALUR TALUK, KOLAR DISTRICT 563137

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