Sample Solution from
Biology: Concepts and Investigations
4th Edition
ISBN: 9780078024207
Chapter 1
Problem 1MCQ
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Summary Introduction

Introduction:

Organelles are vesicles present inside the cell. They are formed from the organization of the smaller molecules inside the cell. It is a membrane bound structure present inside the cell like mitochondria, chloroplast, endoplasmic reticulum and Golgi apparatus.

Expert Solution

Answer

Correct answer:

The atoms in molecules combine to form tissues. These molecules combine to form an organelle. This is called as the organizational hierarchy inside the cell. Therefore,              option(b) is correct.

Explanation of Solution

Reasons for the correct statement:

The cells present inside the human body form molecules. These molecules form the organelles inside the body with double membrane structures. Thus, the molecules are smaller than organelles.

Option (b) is given as “A molecule”.

As “A molecule” is composed of atoms which further combine to form the organelle inside the cell, it is the right answer.

Hence, option (b) is correct.

Reasons for the incorrect statements:

Option (a), is given as “An organ”. An organ is composed of tissues. Hence, it is wrong answer.

Option (c), is given as “A cell”. A cell is a living matter of the cell composed of cytoplasm and nucleus.  Hence, it is wrong answer.

Option (d), is given as “A tissue”. A tissue is formed from the cells of the body. Hence, it is wrong answer.

Hence, the options (a), (c), and (d) are incorrect.

Conclusion

Conclusion:

The molecules present inside the cells form double membrane bound vesicles containing DNA inside the cell. Thus the molecules are smaller than the organelles inside the cell. It includes the level of the organization inside the human body.

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