Question

20. Read the following and answer any four questions from 17 (i) to 17 (v)

The food material taken in during the process of nutrition is used in cells to provide energy for

various life processes. Diverse organisms do this in different ways – some use oxygen to break-

down glucose completely into carbon dioxide and water, some use other pathways that do not

involve oxygen.

(i) The breakdown of pyruvate to give carbon dioxide, water and energy takes place in:

a. Cytoplasm

b. Mitochondria

c. Chloroplast

d. Nucleus

(4)

(ii) A graph was plotted to show the energy output of two types of respiration. Identify the

types of respiration denoted by curves A and B.

(iii)The correct sequence of anaerobic reactions in yeast is:


please help guy's​

Answer 1

Explanation:

(i) mitochondria

(ii) since energy output is less in Curve a than curve b. so curve a represent anaerobic

Answer 2

Answer:

1 = Mitochondria

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