write one feature which is common to each of the following pairs of terms/ organs a)glycogen & starch b)chlorophyll & haemoglobin c) gills & lungs d) arteries & veins
Answers
Food is stored in the form of glycogen in animals and starch in plants. Chlorophyll in plants is necessary for photosynthesis and in animals haemoglobin is the carrier of oxygen in animals. Animals breathe through lungs and fishes through gills. Arteries carry oxygenated and veins deoxygenated blood.
i) Glycogen and starch are the storehouses of carbohydrates.
ii) Gills and lungs are used for breathing in fishes and humans respectively.
iii) These are the pigments used in photosynthesis in plants and Respiration in humans.
iv) These are the carriers of blood I. e. Oxygenated and deoxygenated.
What is the common feature of chlorophyll and haemoglobin?
1. Chlorophyll and haemoglobin both have four pyrrole rings.
2. Both are made up of elements like "carbon, hydrogen, nitrogen, and oxygen."
Which One feature is common between glycogen and starch?
(i) Glycogen and starch both are storage carbohydrates.
(ii) Both are pigments.
(iii) Both are respiratory organs.
(iv) Arteries and veins are vessels that transport blood.
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