Question 39:
Fill in the following blanks with suitable words :
(a) All green plants are…………..
(b) All non-green plants and animals are…………
(c) Heterotrophs depend on…….. and other……………… for food,
(d) Green plants use……… ,………… and………… to make food.
(e) Iodine turns blue-black on reacting with………………
Lakhmir Singh Biology Class 10
Answers
heterotrophs
plant and other animal
chlorophll sunlight water
starch
Answer:
(a) All green plants are…Autotrophs………..
(b) All non-green plants and animals are……Heterotroph…
(c) Heterotrophs depend on Plants…….. and other…animals …………… for food.
(d)Green plants use…Chlorophyll…… ,……sunlight …… and…water……… to make food.
(e) Iodine turns blue-black on reacting with……starch …………
Explanation:
(a) All green plants are .. Autotrophs……..
Autotrophs - Organisms which make their own food .
(b) All non-green plants and animals are……Heterotroph…
- Organisms which depend on other animals or plants for their food .
(c) Heterotrophs depend on Plants…….. and other…animals …………… for food.
(d)Green plants use…Chlorophyll…… ,……sunlight …… and…water……… to make food.
(e) Iodine turns blue-black on reacting with……starch …………
The starch and the iodine do exchange some electrical charges. The spacings between energy levels are altered as a result, changing the electron configurations. The complex gets its vivid blue colour from the additional spacings, which preferentially absorb visible light.
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