Biology
Given below is the internal structure of chloroplast. Read the information given ahead and fill in the blanks:
The chloroplast is an important cellular structure located in the green parts of the plant. It is covered by a double layered membrane. The main function of chloroplast is to prepare food material for all the parts of plant during daytime.
The chloroplast is a kind of (a) …………… suspended in the cytoplasm of the plant cells. It contains a vital pigment (b) …………… which traps solar energy for the process of (c) …………… . The photochemical phase of photosynthesis occurs in (d) …………… of granum and the biosynthetic phase occurs in the (e) …………… of chloroplast.
Photosynthesis
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Answer
(a) Plastid
(b) Chlorophyll
(c) Photosynthesis
(d) Thylakoids
(d) Stroma
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Related Questions
Name the following:
(a) The category of organisms that prepare their own food from basic raw materials.
(b) The kind of plastids found in the mesophyll cells of the leaf.
(c) The compound which stores energy in the cells.
(d) The first form of food substance produced during photosynthesis.
(e) The source of CO2 for aquatic plants.
(f) The part of chloroplast where the dark reaction of photosynthesis takes place.
Given below are groups of terms. In each group, the first pair indicates the relationship between the two terms. Complete the second pair accordingly.
(a) Chlorophyll : Magnesium :: Haemoglobin : …………… .
(b) Light reaction : Granum :: Dark reaction : …………… .
(c) Producers : Autotrophs :: Consumers : …………… .
(d) Respiration : Carbon dioxide :: Photosynthesis : …………… .
(e) Water and minerals : Xylem :: Prepared food : …………… .
Identify the false statements and rewrite them correctly by changing the first or last word only.
(a) Dark reaction of photosynthesis occurs during night time.
(b) Photosynthesis requires enzymes.
(c) Green plants are consumers.
(d) Photosynthesis results in loss of dry weight of the plants.
(e) Photosynthesis stops at a temperature of about 35°C.
(f) Photosynthesis occurs only in cells containing chloroplasts.
(g) Green plants perform photosynthesis.
(h) Algae are autotrophs.
Fill in the blanks with the appropriate answer from the choices given in the brackets.
(a) The site of light reaction in the cells of a leaf is …………… (cytoplasm, stroma, grana).
(b) The chemical substance used to test the presence of starch in the cell of a leaf is …………… (CaCl2, iodine solution, Benedict solution).
(c) Stroma is the ground substance in …………… (cytoplasm, chloroplast, ribosomes).
(d) The dark reaction of photosynthesis is known as …………… (Hill reaction, cyclic phosphorylation, Calvin cycle).
(e) In the flowering plants, food is transported in the form of …………… (sucrose, glucose, starch).