Daily Practice Paper : Lets Score More - 10th
Practice title: DPP - Level - Zero
Topic: Life Processes (Nutrition)
Date: Dec 15,2022/Thursday
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A. Multiple Choice Based Questions:
1. Which of the following act as a body
building nutrients ?
a. Proteins
b. Carbohydrates
c. Fat
d. Vitamins and minerals
2. ______ is also considered as bio-catalyst.
a. carbohydrates
b. Enzymes
c. Both a and b
d. None of the above
3. The stored food in human is _____.
a. Carbohydrates
b. Glucose
c. Starch
d. Glycogen
4. The process of taking food inside the body is _________.
a. Nutrients
b. Digestion
c. Absorption
d. Nutrition
5. Which mode of nutrition occur in bread moulds?
a. Holozoic nutrition
b. Parasitic nutrition
c. Saprophytic nutrition
d. All of the above
6. Which of the following do not come under life Processes?
a. Nutrition
b. Respiraton
c. Reproduction
d. All of the above
7. _______ is not an autotroph.
a. Fungi
b. Spirogyra
c. Amoeba
d. None of the above
8. Plants do prepare their food in the presence of
a. Water
b. Sunlight
c. Carbon dioxide, Chlorophyll
d. All of the above
9. Plant that does not prepare their food is
a. Peepal
b. Amarbel
c. Algae
d. None of the following
10. Which of the following is a product of photosynthesis?
a. Water
b. Chlorophyll
c. Glucose
d. Carbon dioxide
Date: Dec 16th' 022
Answer Writing Based Questions :
11. Name the animals which feed on plants.
12. Name the site of photosynthesis (cell organelle).
13. What is photolysis and where does it occur?
14. How is NADP reduced to NADPH during light reaction in photosynthesis?
15. What are parasites and saprotrophs? Give examples also.
16. Why do we need food?
17. Name the gas released as a by product of photosynthesis.
18. Name the process of breaking down of complex molecules into simple molecules.
19. What are the different steps of light phase of photosynthesis?
20. What do you mean by bio synthetic phase of photosynthesis? When does it occur?
21. What happens during light reaction?
Date: Dec 17th' 022
22. Write a balanced chemical reaction for photosynthesis.
23. What happens during photosynthesis? Describe in brief.
24. What is stomata? State its functions.
25. How do Variegated plants prepare their food?
26. What is the significance of photosynthesis?
27. What is NADPH? When and where it is being utilized?
28. When do dark reaction take place ?
29. What happens during light reaction of photosynthesis? Describe all the steps with reaction.
30. Explain nutrition in amoeba.
Date: Dec 18th' 022
31. Name the different sets of teeth which is present in human's buccal cavity.
32. What do you mean by alimentary canal?
33. Name the different parts of alimentary canal.
34. Write functions of each type of teeth in brief.
35. What are the different functions of tongue?
Date: Dec 19th' 022
36. Name different pairs of salivary glands.
37. What are the functions of saliva?
38. What is peristalsis? where does it occur?
39. What is saliva?
40. what do you mean by pharynx, epiglottis and food pipe ?
Date: Dec 20th' 022
1. Assignment Based On Nutrition Topic
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Date: Dec 29th' 022- Thursday
41. Write the actions of pancreatic juices on food.
42. what are the actions of erepsin on food?
43. What happens during aerobic respiration? Describe with the help of chemical reactions.
44. Name the primary respiratory organ in humans.
45. What is the actual site for exchange of gases in humans?
46. What is fermentation? where/when does it occur?
47. What happens when we do exercise for longer time?
48. Define one complete breathing.
49. Which structure in wind pipe prevent it from collapsing?
50. What do you mean by transportation and translocation?
Date: Dec 30th' 022- Friday
51. Define circulation and human circulatory system.
52. Name the different components of human circulatory system.
53. How does transportation occur in plants?
54. Name the different components of xylem and phloem.
55. What do you mean by active and passive transport?
Date: Dec 31st' 022- Saturday
56. Name different blood vessels and their functions.
57. Explain double circulation in humans with the help of well labelled diagram.
58. Write functions of blood in our body. What are the different components of blood?
59. Write all functions of liver.
60. Explain the structure of heart.
Date: Jan 1st' 023- Sunday
61. What do you mean by systemic and pulmonary circulation?
62. Define heart beat? How many times our heart beats per minute?
63. Define cardiac cycle.
64. what do you mean by dental carries? How can we prevent our teeth from this?
65. Name the device or instrument which is used to measure blood pressure.
Date: Jan 2nd' 023- Monday
66. Compare the function of the small intestine and the function of large intestine.
67. Why is nutrition a necessity for an organism? state three reasons.
68. Why do veins have thin walls as compared to arteries?
69. Why are the walls of ventricles thicker than the walls of atria?
70. What is osmoregulation? why it is said that kidneys help in the process of osmoregulation? explain.
Date: Jan 4th' 023- Wednesday
71. What do you mean by tropical movement/tropism?
72. Explain different types of tropical movements in plants.
73. What is nastic movement? Name its different types.
74. What do you mean by photonasty? Give example also.
75. Name the movement shown by Mimosa pudica and what changes seen in them during this movement.
Date: Jan 5th' 023- Thursday
76. Define phytohormones.
77. Name all phytohormones.
78. What are the functions of different phytohormones?
79. Name the plant which give immediate response to the stimulus.
80. How tropism is different from nasties?
Date: Jan 6th' 023- Friday
81. Explain the structure of neuron.
82. Name the type of neuron which carry messages from sense organs to brain.
83. Name the neuron which bring signals from brain to effector organs.
84. Name membrane which protect brain from injury.
85. Name the different parts of human brain.
86. What is cranium? Where is it present in our body?
87. What are the functions of human brain?
88. why brain is considered as most prominant part of central nervous system.
89. What is the function of nervous system?
90. Name the different types of human nervous system.
Date: Jan 9th' 023- Monday
91. What is the function of medulla oblongata?
92. Which part of brain control emotions like love & hatered ?
93. Which receptor help us in audio receptions?
94. Which receptors help us to know the taste of the food?
95. Name the sensory organs of our body and the receptors located in them.
96. Explain the structure of human brain.
97. What is the difference between exocrine and endocrine glands?
98. Name all the endocrine glands of our body.
99. Name the headmaster and master gland of our body. Why they called so?
100. What is the role of growth hormone?
Date: Jan 12th' 023- Thursday
101. What is reflex action? what is meant by reflex arc?
102. Why do we withdraw our hands suddenly on touching hot objects?
103. Jerking of knees is best example of______________.
104. What is synaptic gap? Where is it located?
105. Define the following terms: a. stimulus b. Receptors c. Effectors d. Responses
106. What do you mean by environment ? What are the different components of it?
107. Define ecosystem with its different types.
108. What is food chain? Give example of different types of food chain chains in an ecosystem.
109. Explain ten percent law.
110. What is Biomagnification? How does it affect top consumers and how can it be minimized?
Date: Jan 15th' 023- Sunday
111. Which tropic movement is responsible for growth of pollen tube towards ovary?
112. Why endocrine glands release their secretions into the blood?
113. Which mechanism control timing and amount of hormone released?
114. Define Chemotropism?
115. Name the sensory receptors found in the nose and on the tongue?
116. How is nerve impulses get transmitted across the synapse?
117. How is spinal cord protected?
118. Draw well labelled diagram of Human respiratory system/excretory system.
119. Name the hormone which is secreted by the adrenal gland. How does this hormone help to deal with the scary situations?
120. Give the functions of cerebellum (any two) and Name the components of central nervous system.
121. Name the part of brain which controls voluntary & involuntary actions.
122. If the cerebellum is not functioning properly, what are the activities of our body get affected?
123. Name the hormone which is injected to a diabetic patient. and Why should we use iodised salt in our diet? If iodine is insufficient in one’s diet, what might be the deficiency disease and its symptoms?
124. Draw a labelled diagram of human brain. Discuss functions of cerebrum, cerebellum and medulla.
125. In human beings blue eye colour is recessive to brown eye colour. A brown eyed man has a blue eyed mother. a. What is the genotype of man and his mother?
b. What are possible genotypes of his father?
c. If man marries a blue eyed woman, what are the possible genotypes of their offsprings?
126. Name the blood groups found in humans. and write their possible genotypes.
127. Why did Mendel select pea plant for his experiment?
128. What is trophic level? Explain with the help of labelled diagram.
129. What is Ozone layer and where it is located? What are the causes of depletion of Ozone layer and can it be controlled? How Ozone layer is formed?
130. What is sex determination? Explain with the help of a labelled flowchart.
Date: Jan 16th' 023- Monday
131. Explain phenotypic ratio of dihybrid cross.
132. What is dihybrid cross ? Explain in detail.
133. A species of mammal has two phenotypes, white fur and brown fur. Draw a Punnett square to show how an individual with white fur and an individual with brown fur produce a generation, F1, all with white fur.(consider Genotype for following traits: White fur -WW and Brown fur- bb). And Draw a Punnett square to show how individuals from the F1 generation produce a generation, F2,with white fur and brown fur. Identify the genotypes in the F2 generation and calculate the proportion of individuals with brown fur.
134. Name the all the laws proposed by Mendel on the basis of his experiment.
135. What do you mean by food web?
Date: Jan 18th' 023- Wednesday
136. What is the cause of variation in asexually reproducing organisms?
137. How many pairs of chromosomes are present in humans?
138. How many pairs of Sex chromosomes are present in humans?
139. A Mendelian experiment consisted of breeding pea plants bearing violet flowers with pea plants bearing white flowers. what will be the result in F1 progeny?
140. Does genetic combination of mother play a significant role in determining the sex of a newborn?
Date: Jan 18th' 023- Wednesday
141. A negligibly small current is passed through a wire of length 15 m and uniform cross section
6.0 x 10-7 m2 ( its 10 to the power minus seven meter square) and its resistance is 50 ohm. find out
its resistivity.
142. What is the current flowing through a conductor if one million electrons are crossing in one millisecond through a cross section of it ?
143. The potential difference between the terminals of an electric heater is 80 Volt when it draws current of 4 A from the source. What current will the heater draw if the potential difference is increased to 120 V.
144. Resistance of a metal wire of length 220 m is 7 ohm at 20 degree Celsius. If the diameter of the wire is 0.8 mm, what will be the resistivity of the metal at that temperature?
145. The current in a household appliance is 5 A, calculate the amount of charge that passes through the appliance in one hour .
Date: Feb 08th' 023- Wednesday
146. What will happen when a piece of magnesium is placed in copper sulphate solution? write chemical equation for it.
147. Why is double the amount of a gas collected in one of the test tubes in the electrolysis of water experiment? name the gas.
148. What will happen when silver nitrate solution is added to sodium chloride solution ? Explain with the help of chemical reaction.
149. what are the effects of oxidation reactions in everyday life?
150. Explain the term corrosion with the help of chemical equation.
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