EASY
10th ICSE
IMPORTANT
Earn 100
The diagram given below represents a certain phenomenon which occurs during meiosis. Name and explain the phenomenon by using the terms - homologous chromosomes, chromatids, crossing over.
Important Questions on Structure of Chromosomes, Cell Cycle and Cell Division
EASY
10th ICSE
IMPORTANT
The structure of DNA was first discovered by _____. (Franklin Roosevelt/ Rosalind Franklin/ Dorothy Hodgkin)
EASY
10th ICSE
IMPORTANT
DNA strand wound around a histone octamer forms a complex called a _____.
EASY
10th ICSE
IMPORTANT
The number of chromosomes in a certain type of cell division is halved. This kind of cell division occurs in
EASY
10th ICSE
IMPORTANT
In which one of the following options the stages of mitosis have been given in correct sequence?
MEDIUM
10th ICSE
IMPORTANT
Synthesis phase in the cell cycle is called so for the synthesis of more of
EASY
10th ICSE
IMPORTANT
Name the repeating components of each DNA strand lengthwise.
EASY
10th ICSE
IMPORTANT
Given below are three diagrammatic sketches (A, B and C) of one and the same particular phase during mitotic type of cell division.
What is the diploid number of chromosomes shown in them ?
EASY
10th ICSE
IMPORTANT
Given below is a diagram representing a stage during mitotic cell division. Study it carefully and answer the question that follow:
Draw a duplicated chromosome and label its parts.
