Question

Draw a well labelled diagram of plant cell and label the parts that carry out the following functions:(a) photosynthesis(b) storage of excess pigment and cell sap(c)gives structural strength and rigidity(d)controls all the functions of cell

Answer 1

Answer:

Explanation:

a) chloroplast b)vacuole c)cell wall d)cytoplasm

Answer 2

Answer:

a. Photosynthesis - Chloroplasts

b. storage of excess pigment and cell sap - Vacuoles

c. gives structural strength and rigidity - cell wall

d. controls all the functions of the cell - nucleus

Explanation:

a. Green plastids called chloroplasts carry out the process of photosynthesis.

• The thylakoid membranes arranged as grana in chloroplasts contain the pigment chlorophyll, which traps light.
• The photosynthetic light response takes place in the grana.
• The dark reaction of photosynthesis takes place in the chloroplast's stroma.
• Actually, the light reaction is used to create carbohydrates during the dark reaction, which is the synthetic phase of photosynthesis.

b. Sap vacuoles are fluid-filled vesicles that are separated from the cytoplasm by the tonoplast, a membrane that is selectively permeable.

• Animal cells and immature plant cells both include a number of tiny sap vacuoles.
• Small vacuoles in mature plant cells combine to produce a single, big central vacuole.
• Cell sap or vacuolar sap are common names for the fluid found in sap vacuoles.
• It has organic acids, soluble colors, minerals, carbohydrates, oxygen, and carbon dioxide.
• Anthocyanins (red, purple, and blue) and anthoxanthins are some of the pigments (ivory to deep yellow).

c. The stiff, rigid outer layer of a plant or fungus cell is called the cell wall.

• It safeguards and supports the structural integrity of the cells.
• Cellulose, a polymer of glucose, is a carbohydrate and the most durable part of the cell wall.
• A secondary cell wall is created when the primary cell wall is supplemented with lignin.
• The strength and rigidity of the cell are increased by the secondary cell wall.
• It is primarily found in the tissues of living plants.

d. The most crucial component of the cell, the nucleus, governs all cellular functions by regulating the enzymes needed for cellular processes.

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