Download Life Processes Movement is the most important criterion to decide

Life Processes
1. Movement is the most important criterion to decide whether something is alive or not. Justify
2. Define Life process and basic of life processes.
3. Reason for need of energy while sleeping
4. All living organisms need energy to perform. Explain?
5. What is nutrition and what are its nutrients?
6. Heterotrophic mode of nutrition and types of heterotrophic Nutrition
7. Name the organelles which contain chlorophyll
8. What is the role of guard cell?
9. The mechanism of opening and closing of stomata
10. What is photosynthesis? Explain its process with the help of diagram and chemical equation.
11. Raw materials of photosynthesis and list the events occur during photosynthesis
12. What are carbohydrates?
13. Conditions necessary for autotrophic nutrition
14. How do plants obtain carbon dioxide?
15. Role of guard cells
16. Stomata and its function with the help of diagram
17. Main events of photosynthesis
18. Importance of nitrogen
19. Where does photosynthesis takes place. Explain
20. Explain herbivores, carnivores and omnivores?
21. Sun is the ultimate source of energy?
22. Different stages of feeding/nutrition in amoeba.
23. How paramecium eats food?
24. Importance of Peristaltic movement.
25. Name the gland which secretes HCl, digesting enzyme and mucus
26. Human digestive system. With example.
27. The initial starch in the plants has to be removed before we use them for photosynthesis,
why?
28. Function of salivary glands
29. Reason for gastric juice being acidic in nature
30. Where does protein digestion begins?
31. Explain protein digestive enzyme pepsin is active only in the presence of an acid?
32. Role of mucus and HCl
33. Herbivores have longer small intestine than carnivores. Explain
34. Site for the complete digestion of carbohydrate, protein and fats
35. Write about the emulsification of fat and mention the role of bile salt
36. Name the enzymes present in the pancreatic juice
37. Intestinal juice secreted by small intestine or large intestine
38. The juice / enzyme responsible for the final conversion of protein in to amino acids , complex
carbohydrate into glucose and fats into fatty acid and glycerol
39. Mention three functions of villi
40. Place where glucose is break down into pyruvate
41. Breakdown of glucose by various path ways
42. Name of the structure where exchange of gasses takes place
43. In animal where the body size is small, diffusion pressure is sufficient to distribute the oxygen
through the body but when body size is large how this phenomenon get takes place
44. Which is more soluble in water, oxygen or CO2?
45. What is double circulation?
46. Values of systolic and diastolic pressure
47. Two functions of lymph
48. What is the unit of excretion?
49. Which muscle regulate the exit of food
50. Phagocytosis and its role
51. Dental plaque and how is it harmful
52. Cellular respiration and its process
53. Why respiration is called a complex process
54. All information regarding ATP
55. How can yeast live without oxygen?
56. What do you understand by lenticels?
57. Why is the rate of breathing much faster in aquatic animal than terrestrial animals?
58. Why is diffusion insufficient to meet the need of large multicellular organisms?
59. What will happen if carbon mono oxide combines with hemoglobin?
60. Reason for moist skin of earthworm
61. What do you understand by trachea? What role does it play?
62. Bronchioles and its function
63. Availability of large surface maximized the gases? Explain
64. Land plant dies if water get logged for a longer time period, explain
65. Process of air cleaning while passing through nasal passage
66. The two openings of the pharynx, one leading to trachea and the other leading to
esophagus, lie very close to each other. Yet the swallow food does not enter into our
trachea. Why?
67. Explain- Xylem vessel runs like long a long drainpipe through the plant.
68. Structure of xylem vessel and tracheid
69. How is food transported in plants?
70. Structure of phloem
71. Difference between plasma, RBC and WBC. Functions of blood
72. Role of platelets in dengue fever
73. Diagram of heart and blood circulation in human body
74. Reason for heart beat being nonstop at all the time?
75. Systolic pressure and diastolic pressure
76. Vessels collect the blood from the body and distribute the blood to the body
77. Lymph is another medium of circulation in human body? Agree or not
78. Plant store waste products in their body too?
79. Bowman’s capsule and its function
80. Some people use dialysis machine while others not. What is the reason behind it
81. Given here are the some example questions
82. Q. Match the organisms given in column I with the process given in column II
Column I
Column II
Leech
Holozoic Nutrition
Amoeba
Autotropic nutrition
Mushroom
Parasitic nutrition
Green plant
saprophytic nutrition
Q. Match the terms in column I to those in column II
83. Column I
Column II
Trypsin
Liver
Amylase
Gastric glands
Bile
Pancreas
Pepsin
Saliva
Q. The correct order of steps occurring in nutrition in animal is:
a. Ingestion--->absorption--->digestion--->assimilation--->egestion
b. Ingestion--->digestion--->assimilation--->egestion
c. Ingestion--->digestion--->absorption--->assimilation--->egestion
d. Ingestion--->assimilation--->digestion--->absorption--->egestion
84. Q. Which of the following is the correct sequesnce of parts as they occur in the human
alimentary canal?
a. Mouth--->stomach--->small intestine--->oesophagus--->large intestine
b. Mouth--->oesophagus--->stomach--->large intestine--->small intestine
c. Mouth--->stomach--->oesophagus--->small intestine--->large intestine
d. Mouth--->oesophagus--->stomach--->small intestine--->large intestine
85. Q. An organism A which cannot move from one place to another, makes a simple food B
from the substances B and D available in the environment. This food is made in the
presence of a green colored substance E present in the organs F in the presence of light
energy in a process called G. some of the simple food B also gets converted into a complex
food H for storage purpose. The food H gives a blue black color with dilute iodine solution
a. What is (i) organism A (ii) food B and (iii) food H
b. What are C and D
c. Name (i) green colored substance E and (ii) organ F
d. What is the process G?
86. Q. Match the terms in column I with their uses in column II
Column I
column II
Heart
Pipe for transport in humans
Arteries and veins
clotting of blood
Xylem vessels
pumping organs
RBC
water transport in plants
Platelets
carrier of oxygen
87. Q. Which of the following is the correct path taken by urine in our body
a. Kidney--->ureter--->urethra--->bladder
b. Kidney--->bladder--->urethra--->ureter
c. Kidney--->ureter--->bladder--->urethra
d. bladder --->Kidney--->ureter--->urethra
88. Q. Which of the following is the only conducting tissue in non- flowering plants
a. xylem vessels
b. sieve tubes
c. companion cells
d. tracheids
89. Q. What is the main excretory product in lizards?
a. Ammonia
b. Urea
c. Uric acid
d. None of these
90. Q. Which of these initiates the heart beat?
a. SA Node
b. AV Node
c. Bundle of His
d. Purkinje fibers
91.Q. If kidney fails to reabsorb water, the tissues would
a. Remain unaffected
b. Shrink to shrivel
c. Absorb water from blood
d. Take more oxygen from blood
92.Q. Choose the forms in which most plants absorb nitrogen
i.
Proteins
ii. Nitrates and Nitrites
iii. Urea
iv. Atmospheric nitrogen
a. (i) and (ii)
b. (ii) and (iii)
c. (iii) and (iv)
d. (i) and (iv)
92.Q.Which of the following statement(s) is (are) correct ?
v. Pyruvate can be converted into ethanol and carbon dioxide by yeast.
vi. Fermentation takes place in aerobic bacteria.
vii. Fermentation takes place in mitochondria.
viii. Fermentation is a form of anaerobic respiration.
b. (i) and (iii)
b. (ii) and (iv)
c. (i) and (iv)
d. (ii) and (iii)
93.Q. Lack of oxygen in muscles often leads to cramps among cricketers. This results due to
c. conversion of pyruvate to ethanol.
b. conversion of pyruvate to glucose
c. non conversion of glucose to pyruvate
d. conversion of pyruvate to lactic acid
94.Q. Single circulation i.e., blood flows through the heart only once during one cycle of passage
through the body, is exhibited by
d. Labeo, Chameleon. Salamander
b. Hippocampus, Exocoetus, Anabas
c. Hyla, Rana, Draco
d. Whale, Dolphin, Turtle
95.Q. Choose the correct statement that describes arteries.
e. 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, blood flows under low pressure, carry blood from the
heart to various organs of the body.
d. 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.
96.Q. Which of the following statement(s) is (are) true about respiration?
i.
During inhalation, ribs move inward and diaphragm is raised.
ii. In the alveoli, exchange of gases takes place i.e., oxygen from alveolar air diffuses into
blood and carbon dioxide from blood into alveolar air.
iii. Haemoglobin has greater affinity for carbon dioxide than oxygen.
iv. Alveoli increase surface area for exchange of gases.
f.
(i) and (iv)
b. (ii) and (iii)
c. (i) and (iii)
d. (ii) and (iv)
97.Q.Which of the following statement(s) is (are) true about heart ?
i.
Left atrium receives oxygenated blood from different parts of body while right atrium receives
deoxygenated blood from lungs.
ii. Left ventricle pumps oxygenated blood to different body parts while right ventricle pumps
deoxygenated blood to lungs.
iii. Left atrium transfers oxygenated blood to right ventricle which sends it to different body
parts.
iv. Right atrium receives deoxygenated blood from different parts of the body while left
ventricle pumps oxygenated blood to different parts of the body
a. (i)
b. (ii)
c. (ii) and (iv)
d. (i) and (iii)
98.Q.Which of the following groups of organisms, food material is broken down outside the body
and absorbed ?
g. Mushroom, green plants, Amoeba
b. Yeast, mushroom, bread mould
c. Paramoecium, Amoeba, Cuscuta
d. Cuscuta, lice, tapeworm
99.Q. A: Glomerulus acts as a dialysis bag, B : Bowman's capsule is found in heart.
a. Both 'A' and 'B' are true statements.
b. Both 'A' and 'B' are false statements.
c. A' is true while 'B' is false.
d. A' is false while 'B' is true.