Advertisements
Advertisements
प्रश्न
Given below is a set of four term. Choose the odd one and write the category of the remaining term:
विकल्प
Chromoplast
Chromosome
Chloroplast
Leucoplast
उत्तर
Chromoplast
Explanation:
The chloroplast, leucoplast and chromoplast are the three types of plastids.
संबंधित प्रश्न
The Chromatin material is formed forms of ______.
Correct the following statement if there is any mistake:
Genes are specific sequences of bases on a chromosome .
Correct the following statement if there is any mistake:
If there are 46 chromosomes in a cell, there will be 23 chromatin fibres inside the nucleus during interphase.
Fill in the blank
The _______ (s) are surrounded by radiating rays called aster
Expand the following biological abbreviations :
DNA
Mention the contribution of the scientist given below in the study of chromosome:
Balbiani
Label the lettered parts of the given figure and answer the following questions:
(i) What does this diagram represent?
(ii) What is the importance of'd'?
(iii) What are the 'staining' properties of 'b' and 'c'?
(iv) Who gave the term used for this structure today?
(v) What is a?
(vi) Is 'e' present in all chromosomes?
Choose the correct answer:
Chromosomes are thin and thread like at __________
What is the importance of meiosis in creating variations?
Give Reasons for the following
The meiosis is called reductional division
Identify the stages of meiosven below and label them.
Explain the Term Leptotene
Explain the Term Spindle
Give Technical Terms
The stage when sister chromosomes separate from their paired condition.
Complete the following sentence with appropriate word:
The chromosomal theory of inheritance was proposed by ____________in 1902.
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| Genetics | Chromosomes are similar in size and shape. |
| Autosomes | The alternative forms of a gene. |
| Recessive gene | Study of laws of inheritance of characters |
| Allele | A gene that can express only when in a similar pair. |
| Homologous chromosomes | Chromosomes are other than the pair of sex chromosomes. |
In humans, the sex chromosome complement is
Define Aneuploidy.
A male gorilla has 48 chromosomes in each of its body cells. How many chromosomes will each of the sperms have?
After a mitotic cell division, a human female cell will have ______.
