Question

19. State any one difference between the following pairs-

A. Concave miror and convex mirror

B. Real and virtual image

C. Heterotrophs and autotrophs

D. Proteins and fats

E. Parasites and saprophytes​

Answer 1

Answer:

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Answer 2

Answer:

1. the bulging out surface of concave is polished whereas the bent in surface of convex mirror is polished
2. the image can be captured is called real but the image can't be captured is called virtual
3. heterotrophs are depending organism whereas autotrophs are not
4. Fat has more than twice as many calories per gram as carbohydrates and proteins. A gram of fat has about 9 calories, while a gram of carbohydrate or protein has about 4 calories. In other words, you could eat twice as much carbohydrates or proteins as fat for the same amount of calories
5. Organisms which derive nutrition from the body of other living organisms (host) are called parasites. Organisms which derive nutrition from dead and decaying matter are called saprotrophs