AP Biology Unit 8K: Human Organ Systems & Homeostasis — practice questions — page 4

Explore 92 free Unit 8K: Human Organ Systems & Homeostasis questions in AP Biology Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Unit 8K: Human Organ Systems & Homeostasis questions and exercises with answers

Showing questions 91–92 of 92.

Plant cells differ from animal cells in possessing: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:

Cell wall, chloroplasts and a large central vacuole
Mitochondria, ribosomes and ER
Nuclear membrane by common convention
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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The fluid inside the nucleus is called:

Cytoplasm
Mitochondrial matrix
Stroma
Nucleoplasm

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Correct answer: D. Nucleoplasm

1. Cytoplasm is the fluid outside the nucleus but inside the cell. 2. The fluid inside the nucleus is called nucleoplasm. 3. It contains chromatin, nucleoli and water. 4. So the answer is nucleoplasm. _Source: Selina Concise Biology ICSE Class 10, Ch 1 'Cell, the Structural and Functional Unit of Life'_

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