Question

Very Short Answer Type Questions

1. Which one is the hardest substance in our body?
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2. What kind of carbohydrate is digested in ruminants

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3. Name the mode of nutrition of the organisms which
synthesize food in the small intestine.

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4. What are the functions of molar and premolar teeth?

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5 Define the term assimilation.

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6 What are the finger-like projections in amoeba called?

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7 What are food vacuoles?

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8 What is ORS?

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Class 7​

Answer 1

Answer:

1 Tooth enamel

2The digestion of carbohydrates in ruminants occurs mainly in the rumen. Rumen microor- ganisms produce a variety of enzymes capable of degrading starch, cellulose and other non- starch polysaccharides. Starch is rapidly degraded to glucose by the action of bacterial amylases.

3 Autotrophic nutrition is the mode of nutrition in which green plants synthesise their own food by the process of photosynthesis.

4 Unlike your incisors and canines, premolars have a flat biting surface. You have eight premolars in total. Molars - Your molars are your largest teeth. Their function is similar to that of the premolars, to grind, tear, and crush food

5 the absorption and digestion of food or nutrients by the body or any biological system.

"nitrate assimilation usually takes place in leaves"

6 Amoeba also called as amoeboid. They are microscopic, unicellular, eukaryotic organisms mostly found near the ponds and lakes. These eukaryotic organisms consist of nucleus, cytoplasm, food vacuoles and finger-like projections called pseudopodia.

7 The food vacuole, or digestive vacuole, is an organelle found in parasites that cause malaria. During the stage of the parasites' lifecycle where it resides within a human red blood cell, it is the site ...

8 We defined ORS as an electrolyte solution containing sodium, chloride, potassium, bicarbonate or citrate and glucose or another form of sugar or starch.

Explanation:

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