Question : Which cell organelles are the site of photosynthesis and also contain chlorophyll?
Option 1: Chloroplast
Option 2: Vacuole
Option 3: Cytoplasm
Option 4: Nucleolus
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Correct Answer: Chloroplast
Solution : The correct option is Chloroplast.
A chloroplast is a specialised organelle found in plant and algal cells. It is a photosynthesis site where light energy is collected and turned into chemical energy via intricate molecular events. Chloroplasts contain chlorophyll, the green pigment found in plants that allows them to absorb sunlight and perform photosynthesis.
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Question : Which of the following options is not correct about plant cells?
Option 1: The cell wall of a plant cell is made up of cellulose.
Option 2: The plant cells cannot divide by mitosis.
Option 3: A plant cell usually contains a large vacuole.
Option 4: Generally, all plant cells contain chloroplast.
Question : Which of the following is found in plant cells only?
Option 1: Cell membrane
Option 2: Cell wall
Option 3: Nucleolus
Option 4: Mitochondria
Question : Which of the following plays an important role in photosynthesis?
Option 2: Centrosome
Option 3: Tonoplast
Option 4: Nematoblast
Question : Photosynthesis takes place in the presence of chlorophyll and
Option 1: water
Option 2: nutrients
Option 3: carbon dioxide
Option 4: sunlight
Question : What is the outermost layer found in the cell envelope of the bacterial cell called?
Option 1: Glycocalyx
Option 2: Cell membrane
Option 3: Plasma membrane
Option 4: Cytoplasm
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