Genes and Chromosomes (Class - XII)
Description: proteins | |
Number of Questions: 30 | |
Created by: Vaibhav Pathak | |
Tags: Chromosomes Chromosomal Theory of Inheritance |
Who proposed chromosomal theory of inheritance?
What is the functional unit of a gene called?
In which of the following is a nucleoid present?
How many chromosomes are there in a pigeon?
Which of the following plasmids is responsible for transfer of genetic material?
What were the darkly stained bodies located inside the nucleus named by Waldeyar in 1888?
Which of the following organisms have the maximum number of chromosomes?
Which of the following chromosomes is/are not present in a human cell?
a. Telocentric chromosome b. Holocentric chromosome c. Acrocentric chromosome
A chromosome having unequal arms is called
Which is the best stage of mitotic cell division for studying chromosomes?
Which is the largest human chromosome?
The membrane bounding a chromosome is called
A holocentric chromosome has
Which of the following provide(s) stability to chromosomes?
Which of the following is a characteristic feature of metaphase?
The genes coding for 18S and 28S rRNA are present in
What is the function of balbini rings of salivary gland chromosomes?
Which among the following characteristics is/are common between chromosomes 13, 14, 15, 21 and 22?
a. Being acrocentric b. Possessing nucleolar organiser c. Presence of same genes
TMV is a
Which of the following types of chromosomes help in the formation of certain amount of yolk material in eggs?
What do we call a small chromosomal segment separated from the main body of the chromosome by secondary constriction?
Which of the following are the basic unit of DNA packaging in mature sperm cells?
Which histone molecule is found with linker DNA?
Which of the following parts of chromosomes never participate(s) in cross over?
Who proposed the nucleosome model for DNA packaging?
_____ are the prophase form of chromatids.
What is the modern concept of a gene?
Which technique is used to quantify the length of a telomere?
What are chromosomes composed of?
The part of a chromosome where crossing over has taken place is called