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प्रश्न
Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong
Centrosome.Cell wall, Cell membrane, Large vacuoles
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उत्तर
Centrosome (Organelles in Plant cell)
APPEARS IN
संबंधित प्रश्न
Synthesis phase in the cell cycle is called so, because of the synthesis of more:
A. RNA
B. RNA and proteins
C. DNA
D. Glucose
Given below is a schematic diagram of a portion of DNA.
- How many strands are shown in the diagram?
- How many nucleotides have been shown in each strand?
- Name the parts numbered 1, 2, 3, 4 and 5 respectively.
- Name the DNA unit constituted by the parts 1, 2, 3 collectively.
Choose the best option out of the four alternatives a, b, c and d
Question 1:
The number of chromosomes in a certain type of cell division is halved. This kind of cell
division occurs in.
(a) Only testis
(b) Only ovary
(c) Both ovary and testis
(d) All body cells
During the pairing of chromosomes in meiosis, the ________ chromosomes come to lie side by side.
The component which is in the nuclei of cells and carries the hereditary characteristics is called ______.
Choose the correct answer:
Chromosomes appear at equator in ____________
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ________________
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:
The term 'chromosome' was coined by ___________
Give Reasons for the following
Chromosomes are the carriers of heredity.
Draw a duplicate chromosome and label its part.
Name the following:
Pairs of chromosomes, present in human egg cells.
Complete the following sentence with appropriate word:
The chromosomal theory of inheritance was proposed by ____________in 1902.
The centromere is found at the centre of the ______ chromosome.
Read the following statements and select the correct option.
Statement I: The densely packed transcriptionally active, light staining region of chromatin is known as 'Heterochromatin'.
Statement II: The loosely packed, dark staining transcriptionally inactive region of chromatin is known as 'Euchromatin'.
Which of the following is TRUE with respect to the genes which inherit together during crossing over?
After a mitotic cell division, a human female cell will have ______.
The two non-sister chromatids of a paired chromosome are attached to each other at ______ during the process of crossing over.
