Biology
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.
Photosynthesis
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Answer
(a) Autotrophs.
(b) Chloroplasts.
(c) ATP (Adenosine triphosphate).
(d) Glucose.
(e) The carbon dioxide dissolved in water.
(f) Stroma.
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The optimum temperature for the process of photosynthesis is :
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Conversion of several glucose molecules into starch is termed as :
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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.