InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Vitamin ……………. and vitamin …………….. dissolve easily in water.(a) A, B (b) B, C (c) B, D (d) B, E |
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Answer» Option : (b) B, C |
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| 52. |
Deficiency of vitamin ……………. causes excessive bleeding after an injury.(a) A (b) B (c) K (d) D |
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Answer» Option : (c) K |
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| 53. |
Insectivorous plants commonly grow in areas where soil is deficient in (a) carbon (b) nitrogen (c) potassium (d) phosphorus. |
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Answer» (b) nitrogen |
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| 54. |
Nitya likes to eat sour tasty fruits. Then the vitamin she obtains is A) Pantothenic acid B) Ascorbic acid C) Hydrochloric acid D) Pyridoxin |
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Answer» B) Ascorbic acid |
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| 55. |
The dodder seed germinates forming A) anchoring root B) slender stem C) haustoria D) hanging leaves |
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Answer» (A) anchoring root |
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| 56. |
When ‘Dodder’ plant is fully grown it obtains food through part (ii) only after development of part (i). What are (i) and (ii)? A) (i) leaves (ii) haustoria B) (i) haustoria (ii) anchoring roots C) (i) anchoring roots (ii) haustoria D) (i) leaves (ii) anchoring roots Observe the diagram |
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Answer» C) (i) anchoring roots (ii) haustoria |
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| 57. |
In which colour do you find the slender, string like stems of the Dodder? A) Yellow B) Orange C) Pink D) All the above |
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Answer» D) All the above |
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| 58. |
Balu is unable to walk during nights in darkness. His skin is also becoming scaly. What will be the cause for his above problems? A) Deficiency of Vitamin – A B) Protein diet deficiency C) Deficiency of Vitamin – DD) Deficiency of calories |
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Answer» A) Deficiency of Vitamin – A |
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| 59. |
What is Roughages? |
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Answer» Roughages: These are fibres of either carbohydrates or proteins. They keep a person healthy by keeping the bowels working and moving other food quickly through the body. Roughges are fibres, means thread like structures like in banana, etc over body fails to digest it, but it helps in free bowel movement in intestine, which prevents constipation. |
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| 60. |
Why do we feel bilious or liverish? |
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Answer» We feel bilious or liverish because of having eaten rich meals for several days. |
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| 61. |
The inner lining of the small intertine has numerous finger-like projections calledA. jejunumB. duodenumC. ileumD. villi |
| Answer» Correct Answer - D | |
| 62. |
What is Riddle? |
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Answer» Riddle: A question that is difficult to understand and that has a surprising answer. |
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| 63. |
What is Bilious? |
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Answer» Bilious: Feeling as if we might vomit, creating an unpleasant effect. |
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| 64. |
Define the following term in context of biology.(1) Strategy(2) Lice(3) Ingest(4) Root rot(5) Tangle |
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Answer» Strategy: A plan that is intended to achieve a particular purpose. Lice: A small insect that lives on the bodies of humans and animals. Ingest: Taking food into our body usually by swallowing. Root rot: Decay or decomposition of the root. Tangle: A twisted mass of thread, hair, etc., that cannot be easily separated. |
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| 65. |
How should be balanced diet? |
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Answer» Our diet should be a balanced diet that contains proper amounts of carbohydrates, proteins, vitamins, mineral salts and fats. |
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| 66. |
Green plants arc called as auto tropes? Give reason |
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Answer» Green plants can prepare their won Food. Hence, they are called as autotrops. |
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| 67. |
Define the Following. 1. bronchi 2. bronchi-oles 3. alveoli |
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Answer» 1. bronchi : Trachea is divided in to two branches called the bronchi 2. bronchi-oles : The bronchi are Further branched, inf to bronchioles. 3. Air sacs : are present at the terminals of bronchi-oles. These are called alveoli. |
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| 68. |
What are Stomata? |
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Answer» The minute Opening on the leaf Surface are called Stomata. |
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| 69. |
What are autotrops? |
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Answer» The organisms which prepare their own food are called autotrops. Example : Green plants |
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| 70. |
What are spiracles? |
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Answer» The respiratory openings in Cockroach are called spiracles. |
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| 71. |
What is respiration? Name the two types of Respiration. |
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Answer» Respiration is a process by which energy is liberated by oxidation of Food: 1. Aerobic respiration 2. Anaerobic respiration |
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| 72. |
Differentiate between aerobic and anaerobic respiration. |
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Answer» 1. Aerobic respiration:
2. Anaerobic respiration:
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| 73. |
Thoroughly masticating food enables easy ……… A) constipation B) digestion C) circulation D) A and B |
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Answer» Answer is (D) A and B |
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| 74. |
Explain the respiration in cockroach. |
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Answer» The tracheal System of cockroach includes stigmata, Trachea, and Tracheoles, stigmata are the respiratory openings in cockroach. The are present on the lateral sides of the body. Trachea and Tracheoles Carry Oxygen From the diffused air to all parts of the body, cells take in oxygen and give out carbon dioxide to the tracheal Heamo lymph is involved in the gaseous exchange, The carbon dioxide is differed out through the spiracle openings. |
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| 75. |
These play a key role in nutrition A) Assimilation B) Expulsion of wastes C) Regular exercises D) A and B |
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Answer» Answer is (D) A and B |
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| 76. |
List the name of some organisms whose derive nutrition from plants without killing them. |
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Answer» Some organisms derive nutrition from plants or animals without killing them, eg: Cuscuta, lice, leeches and tapeworms. |
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| 77. |
Which issues do you take into consideration to tell that plants play a key role in animals nutrition? |
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Answer» 1. Plants play a very important role in nutrition of animals. Actually plants are the producers whereas animals are dependent on plants for their nutrition. 2. Many plants or plants parts are eaten as food. There are around 2000 plant species which are cultivated for food. Nutrients like carbohydrates, proteins, fats, vitamins and minerals are available from these plants. 3. Seeds of plants are good sources of food for animals including humans because they contain many healthful fats. 4. Infact majority of the food consumed by human beings are seed based food. Edible seeds include cereals like wheat, rice, maize etc. and legumes like pea, groundnut and nuts. 5. Oil seeds are often pressed to produce rich oils like sunflower, groundnut, sesame etc. 6. Seeds are typically high in unsaturated fats and considered as a health food. 7. Fruits are the ripened ovaries of plants including the seeds within. Many plants and animals have coevolved such that the fruits of the former are an attractive food source to the later. 8. Vegetables are a second type of plant matter that is commonly eaten as food. 9. Hence all the nutrients required by animals are available to the animals from plants. Hence plants are playing an important role in nutrition of animals including human beings. |
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| 78. |
In man, where does the digestive process end ? A) Oesophagus B) Small intestine C) Stomach D) Large intestine |
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Answer» D) Large intestine |
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| 79. |
Name the parts of alimentary canal of man. |
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Answer» The alimentary Canal in eludes the mouth pharynx esophagus stomach Small intestine, large intestine and anus. |
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| 80. |
The part in which the digestive process starts in man ………A) Stomach B) Oesophagus C) Mouth D) Small intestine |
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Answer» The part in which the digestive process starts in man Mouth |
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| 81. |
In single celled animals the food is taken by A) the entire body surface B) mouth C) teeth D) vacuoles |
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Answer» A) the entire body surface |
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| 82. |
The site of ingestion of food in paramoecium A) Pseudopodia B) Flagella C) Cytostome D) Nucleus |
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Answer» (C) Cytostome |
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| 83. |
Which is the correct sequence of parts in human alimentary canal?A. Mouth` to ` oesophgus ` to ` stomach ` to ` small intestine ` to` large intestineB. Mouth ` to ` small intestine ` to ` stomach ` to` oesophagus ` to ` large intestineC. Mouth `to ` stomarch `to` oesophagus ` to` small intestine ` to` large intestineD. Mouth ` to` stomach `to` oesophagus `to` large intestine `to` small intestine . |
| Answer» Correct Answer - A | |
| 84. |
What is parasitic nutrition? Write briefly about it. |
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Answer» 1. Parasitic nutrition is that nutrition in which an organism derives its food from the body of another living organism without killing it. 2. The organism which obtains the food is called a parasite and the organism from whose body food is obtained is called the host. 3. A parasite usually harms the host. 4. The host may be a plant or an animal. 5. Parasitic mode of nutrition is seen in several fungi, bacteria, a few plants like cuscuta and animals like plasmodium. |
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| 85. |
Which of the following organisms takes food by parasitic nutrition ? A) Yeast B) Mushroom C) CuscutaD) Amoeba |
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Answer» Answer is (C) Cuscuta |
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| 86. |
In alimentary canal, where do the proteins get digested at first ? A) Small intestine B) Oesophagus C) Mouth D) Stomach |
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Answer» (D) Stomach |
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| 87. |
What precautions do you need while removing test tube from the beaker? Discuss with your teacher. |
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Answer» 1. When sufficient gas is collected lift the test tube carefully from the beaker by closing its mouth with the thumb. 2. Because of that the gas present in the test tube cannot escape into the atmosphere. |
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| 88. |
Which of the following plant take the food by parasitic nutrition?A) YeastB) MushroomsC) CuscutaD) Leeches |
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Answer» Correct option is C) Cuscuta D) Leeches |
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| 89. |
Which of the following helps in protecting the walls of stomach from Hydrochloric acid ? A) Pepsin B) Mucus C) Saliva D) Bile Juice |
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Answer» Answer is (B) Mucus |
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| 90. |
How is a more serious form of indigestion caused? |
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Answer» 1. A more serious form of indigestion is caused by stomach and duodenal ulcers. 2. These conditions occur more often in people who may be described as hurried or worried. 3. The ulcers occur more often in busy people who get into the habit of hurrying over meals and rushing from one activity to another without sufficient rest. |
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| 91. |
Spot the following in the table of vitamins and minerals :(a) The nutrient present in citrous fruits.(b) Vitamins/minerals present in milk.(c) Causes and symptoms of night blindness, scurvy, rickets, beriberi.(d) Foods required to prevent the above diseases.(e) Causes of anaemia.(f) Essential mineral for healthy bones and teeth.(g) Sensory organ affected due to the deficiency of Vitamin A. |
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Answer» (a) Vitamin C (b) Vitamin A, Vitamin B, Vitamin D, calcium, phosphorus. (C)
(d)
(e) Deficiency of Vitamin B12, iron. (f) Calcium, phosphorus. (g) Eyes, skin. |
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| 92. |
Analyse the following information and answer the questions.VitaminsResourcesDeficiency symptomsThiamineCereals, oil seeds, vegetables, milk, meat, fish, eggsVomitings, fits, loss of appetite, difficulty in breathing, paralysisAscorbic acidGreen leafy vegetables, citrus fruits, sprouts, carrotDelay in healing of wounds, fractures of bones.RetinolLeafy vegetables, carrot, tomato, pumpkin, papaya, mango, meat, fish, egg, liver, milk, cod liver oil, Shark liver oil.Night blindness, xeropthalmia, cornea failure, scaly skin.CalciferolLiver, egg, cod liver oil, Shark liver oilImproper formation of bones, knock-knees, swollen wrists, delayed dentition, weak bones.TocoferolFruits, vegetables, sprouts, sunflower oilSterility in male, abortions in female.PhylloquinoneGreen leafy vegetables, milk, meat, eggsDelay in blood clotting, over bleeding.i) Which vitamins deficiency causes diseases related to bones?ii) Which vitamins we get by eating fruits?iii) Which vitamin deficiency causes Paralysis? To prevent, what type of food we have to eat?iv) To avoid vitamin deficiency diseases, what type of food we have to eat? |
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Answer» i) Calciferol – Vitamin – D, deficiency causes diseases related to bones ii) Retinol – Vitamin – A, and Tocoferol – Vitamin – E we get them by eating fruits, iii) Paralysis is caused by the Vitamin (B) Thiamine deficiency. To prevent this disease, we have to eat cereals, oil seeds, vegetables, milk, meat, fish and eggs. iv) To avoid vitamin deficiency diseases, we have to take proper diet. Our diet should be a balanced one which contains proper amount of carbohydrates, proteins, vitamins, mineral salts and fats |
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| 93. |
Answer the following questions by observing the diagram showing the experiment:hydrilla experimenta) What will you prove by this experiment?b) What apparatus do you use in this experiment?c) What would be the results if the experiment is done in shadow?d) What will you do to obtain result from the experiment? |
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Answer» A) By this experiment we will going to prove oxygen is released during photosynthesis. B) 1. Beaker 2. Test-tube 3. Funnel 4. Hydrilla Plant 5. Burning splinter. C) If we conduct this experiment in shadow no change in the water level of the Test-tube. No photosynthesis occur. No air bubbles are form. D) If the burning splinter is kept near the mouth of test tube, burns brightly |
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| 94. |
The part of food pipe which collects bile juice from liver is ………A) Oesophagus B) Small intestine C) Duodenum D) Large intestine |
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Answer» (C) Duodenum |
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| 95. |
Almost all the living world depends on plants for food material. How do you appreciate the process of making food by the green plants? (OR) What facts about the green plants do you appreciate? |
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Answer» Leaf is a wonderful machine to synthesize food: 1. The leaf is the important site of photosynthesis and is called as food factory of the plant. 2. This plant organ can be treated as a wonderful natural machine which converts solar energy into useful chemical energy. 3. With all his scientific knowledge and technical skills, man has not produced anything similar leaf for utilization of solar energy without polluting the atmosphere. 4. This machine provides food and supports the life by providing oxygen for all the organisms including man on this planet. 5. Nature has given us such a wonderful machine free !! |
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| 96. |
Look at the following equation and answer the questions:Fats + Bile → Fat globules a) What is the name of that reaction? b) Which gland plays major role in this reaction? |
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Answer» a) The name of the reaction is Emulsification. b) The gland LIVER plays major role in this reaction. |
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| 97. |
Fill in the blanks :(a) The process of intake of food and utilizing it for all life processes is called ……………. .(b) All the substances in our food which are useful for various body processes are called ………… .(c) Carbohydrates and …………. provide …………… to our body.(d) In a balanced diet, all the nutrients are present in the ……………. proportion.(e) In the food pyramid, cereals are given the maximum space because they fulfill our …………… requirement.(f) Intake of more food than necessary causes ………….. . |
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Answer» (a) nutrition (b) nutrients (c) fats, energy (d) right (e) energy (f) overnutrition |
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| 98. |
The following processes do not occur due to the lack of secretion of bile juice. i) Splitting of proteins ii) Formation of glucose iii) Emulsification of fats iv) Formation of glycerine A) i, ii B) ii only C) ii, iii, iv D) iii only |
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Answer» Answer is (D) iii only |
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| 99. |
What are guard cells? |
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Answer» Guard cells: The two kidney shaped cells which surrounds the stoma are called guard cells. |
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| 100. |
We know that food is the main source to maintain biological processes in a perfect manner. Our diet should be a balanced one which contains proper amount of carbohydrates, proteins, vitamins, mineral salts and fats. Two third of worldpopulation is affected by food related diseases. Some of them are suffering by consuming high calorific food. Most of them are facing various diseases due to lack of balanced diet. Eating of food that does not have one or more than one nutrients in required amount is known as malnutrition. Poor health, will full starvation, lack of awareness of nutritional habits, socio-economic factors are all the reasons of malnutrition.i) Define Balanced diet. ii) What is malnutrition and what could be the possible reasons for it? |
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Answer» i) The food containing proper amount of carbohydrates, proteins, vitamins, mineral salts and fats is known as “balanced diet”. ii) Eating of food that does not have one or more than one nutrients in required amounts is knownas “malnutrition”. Poor health, starvation, lack of awareness of nutritional habits, socio-economic factors are all reasons for malnutrition. |
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