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Andhra Pradesh SSC (Class 10) Life Processes in Living Organisms Part 1 — practice questions — page 4

Explore 110 free Life Processes in Living Organisms Part 1 questions in Andhra Pradesh SSC (Class 10) Science and Technology. Open each question or exercise to read its content, reference answers and available explanation.

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Life Processes in Living Organisms Part 1 questions and exercises with answers

Showing questions 91–110 of 110.

Capillary walls are only one cell thick because theyRead the answer and worked solution →Which white blood cells engulf bacteria by phagocytosis?Read the answer and worked solution →Rh factor is named afterRead the answer and worked solution →Lymph differs from blood because lymphRead the answer and worked solution →The inner lining of stomach is protected by one of the following from hydrochloric acid. Choose the correct oneRead the answer and worked solution →Which part of alimentary canal receives bile from the liver?Read the answer and worked solution →In which part of the alimentary canal food is finally digested?Read the answer and worked solution →When air is blown from mouth into a test-tube containing lime water, the lime water turned milky due to the presence ofRead the answer and worked solution →During respiration exchange of gases take place inRead the answer and worked solution →In which of the following vertebrate group/groups, heart does not pump oxygenated blood to different parts of the body?Read the answer and worked solution →The filtration units of kidneys are calledRead the answer and worked solution →The blood leaving the tissues becomes richer inRead the answer and worked solution →Which of the following is an incorrect statement?Read the answer and worked solution →The internal (cellular) energy reserve in autotrophs isRead the answer and worked solution →Choose the event that does not occur in photosynthesisRead the answer and worked solution →The opening and closing of the stomatal pore depends uponRead the answer and worked solution →Which is the first enzyme to mix with food in the digestive tract?Read the answer and worked solution →Lack of oxygen in muscles often leads to cramps among cricketers. This results due toRead the answer and worked solution →Choose the correct path of urine in our bodyRead the answer and worked solution →During deficiency of oxygen in tissues of human beings, pyruvic acid is converted into lactic acid in theRead the answer and worked solution →

Worked practice questions

Capillary walls are only one cell thick because they

  1. Allow easy exchange of materials with tissues
  2. Must withstand the high pressure from the aorta
  3. Need to store extra blood for emergency use
  4. Must pump blood against gravity in the legs
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Correct answer: A. Allow easy exchange of materials with tissues

1. Capillaries are the smallest blood vessels. 2. Their wall is a single layer of endothelial cells. 3. This thin wall lets gases, nutrients and wastes diffuse easily. 4. So option A is correct. _Source: Selina Concise Biology Class 10, Ch 7 The Circulatory System (Mistral OCR'd PDF), section on capillaries_

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Which white blood cells engulf bacteria by phagocytosis?

  1. Erythrocytes and platelets
  2. Neutrophils and monocytes
  3. Plasma cells and lymphocytes only
  4. Endothelial cells of the heart only
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Correct answer: B. Neutrophils and monocytes

1. The chapter section on WBC types lists their roles. 2. Neutrophils and monocytes are phagocytes. 3. They engulf bacteria and cell debris. 4. Lymphocytes mostly produce antibodies. _Source: Selina Concise Biology Class 10, Ch 7 The Circulatory System (Mistral OCR'd PDF), section on WBC_

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Rh factor is named after

  1. Rhone river, near where it was discovered
  2. Robert Hooke, the cell discoverer
  3. The rhesus monkey, in which it was first found
  4. Reading hospital in England, where studied
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Correct answer: C. The rhesus monkey, in which it was first found

1. The chapter section on Rh factor gives the naming history. 2. The antigen was first found in the rhesus monkey. 3. Hence the abbreviation Rh. 4. So option A is correct. _Source: Selina Concise Biology Class 10, Ch 7 The Circulatory System (Mistral OCR'd PDF), section on Rh factor_

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