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Andhra Pradesh SSC (Class 10) Life Processes & Human Physiology — practice questions

Explore 4 free Life Processes & Human Physiology questions in Andhra Pradesh SSC (Class 10) Science. Open each question or exercise to read its content, reference answers and available explanation.

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Life Processes & Human Physiology questions and exercises with answers

Showing questions 1–4 of 4.

Plant cells differ from animal cells in possessing:Read the answer and worked solution →Which organelle has its own DNA?Read the answer and worked solution →Endoplasmic reticulum is of how many types?Read the answer and worked solution →The fluid inside the nucleus is called:Read the answer and worked solution →

Worked practice questions

Plant cells differ from animal cells in possessing:

  1. Cell wall, chloroplasts and a large central vacuole
  2. Mitochondria, ribosomes and ER
  3. Nuclear membrane by common convention
  4. Cytoplasm and lysosomes
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Correct answer: A. Cell wall, chloroplasts and a large central vacuole

1. Both have mitochondria, ribosomes, ER, nuclear membrane and cytoplasm. 2. Plant cells alone have a cellulose cell wall outside the membrane. 3. They also have chloroplasts for photosynthesis. 4. They have one large central vacuole instead of many small ones. 5. So option B lists features unique to plant cells. _Source: Selina Concise Biology ICSE Class 10, Ch 1 'Cell, the Structural and Functional Unit of Life'_

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Which organelle has its own DNA?

  1. Ribosome
  2. Mitochondrion
  3. Golgi apparatus
  4. Lysosome
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Correct answer: B. Mitochondrion

1. Mitochondria have a small circular DNA molecule of their own. 2. This is thought to reflect their origin as endosymbiotic bacteria. 3. They can replicate inside the cell. 4. Chloroplasts also have their own DNA. 5. The other organelles listed do not have DNA. _Source: Selina Concise Biology ICSE Class 10, Ch 1 'Cell, the Structural and Functional Unit of Life'_

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Endoplasmic reticulum is of how many types?

  1. One in the standard view
  2. Three
  3. Two (rough and smooth)
  4. Four
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Correct answer: C. Two (rough and smooth)

1. ER comes in rough and smooth forms. 2. Rough ER has ribosomes attached and makes proteins. 3. Smooth ER lacks ribosomes and synthesises lipids. 4. So there are two types of ER. _Source: Selina Concise Biology ICSE Class 10, Ch 1 'Cell, the Structural and Functional Unit of Life'_

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