Biology - Study Mode

[#491] It consists of an aqueous ground substance containing a variety of cell organelles and other inclusions such as wastes and storage products.
Correct Answer

(A) Cytoplasm

Explanation

Solution: Cytoplasm consists of an aqueous ground substance, the cytosol, containing a variety of cell organelles and other inclusions such as insoluble waste and storage products (starch, glycogen, lipid, etc.)

[#492] The study of structures of organisms, their cells and their organelles at molecular level is known as
Correct Answer

(A) Molecular biology

Explanation

Solution: Molecular biology is the branch of biology that deals with the study of the structures of organisms, their cells, and their organelles at the molecular level . It focuses on understanding the interactions between various systems of a cell, including the interactions between DNA, RNA, and protein synthesis. This field combines aspects of genetics , biochemistry , and cell biology to explain how biological molecules give rise to the processes that occur within living cells. Therefore, the correct term for this study is Molecular biology .

[#493] In plants, chloroplasts are necessary for
Correct Answer

(A) Photosynthesis

Explanation

Solution: In plants and algae, which developed much later, photosynthesis occurs in a specialized intracellular organelle - the chloroplast.

[#494] In which of the following organelles does photosynthesis take place?
Correct Answer

(B) Chloroplast

Explanation

Solution: Photosynthesis take place in chloroplast.

[#495] It is a heredity material and contains the genetic information which is passed on from one generation to another.
Correct Answer

(B) DNA

Explanation

Solution: DNA is a heredity material and contains the genetic information which is passed on from one generation to another.