Biology - Study Mode

[#216] Biologists mainly deal with matters relating to
Correct Answer

(D) All three a b and c

Explanation

Solution: Biologists mainly deal with matters relating to living part of nature, non living things influencing living things
and how life works.

[#217] Mitochondria are also known as
Correct Answer

(B) Power house of the cell

Explanation

Solution: Mitochondria are often called the “powerhouses” or “energy factories” of a cell because they are responsible for making adenosine triphosphate (ATP), the cell's main energy-carrying molecule.

[#218] Which is the basic structural as well as functional unit for all organisms?
Correct Answer

(B) Cell

Explanation

Solution: In all life forms, including bacteria, plants, animals, and humans, the cell was defined as the most basic structural and functional unit.

[#219] Which organelles are involved in the manufacture and supply of energy to the cell?
Correct Answer

(B) Mitochondria

Explanation

Solution: Cells also contain mitochondria and peroxisomes, which are the organelles responsible for producing the cell's energy supply and detoxifying certain chemicals, respectively. Biochemical reactions within mitochondria transform energy-carrying molecules into the usable form of cellular energy known as ATP.

[#220] Which statement is one component of the cell theory?
Correct Answer

(B) All living cells arise from pre-existing cells

Explanation

Solution: The three parts of the cell theory are as follows: (1) All living things are made up of cells, (2) Cells are the smallest units (or most basic building blocks) of life, and (3) All cells come from pre-existing cells through the process of cell division.