Shoaib Q- What is the primary function of plasma membrane? Answer- The primary function of plasma membrane is to regulate the exchange of materials between cytoplasm and extracellular fluid. Easy way to draw labelled diagram of plasma membrane:
Q- List the functions of cell wall? Answer- Cell wall plays a vital role in plant cell. The various functions of cell wall are as follows: 1. Cell wall provides protection to internal structure of cell. 2. Cell wall provides definite shape and prevents desiccation of cell.
Q- Name the structure that maintains identical chromatids bound. Answer- The structure that maintains identical chromatids bound is centromere or primary constriction.
Q- How are the chromosomes classified in relation to the position of centromere? Answer- On the basis of position of centromere the chromosomes are mainly classified into four main types: 1. Telocentric 2. Acrocentric 3. Submetacentric 4. Metacentric