If the centromere is situated close to the end of a chromosome, it is called as:
1. Metacentric
2. Submetacentric
3. Acrocentric
4. Telocentric
What is true regarding the chromosome shown in the diagram given below?
| 1. | It is a metacentric chromosome with A called satellite and B called secondary constriction. |
| 2. | It is a metacentric chromosome with B called satellite and A called secondary constriction. |
| 3. | It is a submetacentric chromosome with A called satellite and B called secondary constriction. |
| 4. | It is a submetacentric chromosome with B called satellite and A called secondary constriction. |
Balbiani rings are sites of
| 1. | lipid synthesis |
| 2. | nucleotide synthesis |
| 3. | polysaccharide synthesis |
| 4. | RNA and protein synthesis |
A chromosome carrying the centromere at one of the ends is called
1. acentric
2. submetacentric
3. telocentric
4. metacentric.
Which of the following organelles contain DNA?
| (i) | Mitochondria |
| (ii) | Chloroplasts |
| (iii) | Golgi bodies |
| (iv) | Ribosomes |
1. (i) and (ii)
2. (ii) and (iii)
3. (i) only
4. (iv) only.
Chromatin is made up of:
| 1. | DNA and protein |
| 2. | DNA and histone |
| 3. | DNA, RNA, protein |
| 4. | RNA, histone and oil bodies. |
Chromatin can be observed in
| 1. | Interphase nucleus | 2. | dividing nucleus |
| 3. | Both A and B | 4. | Nuclei of any stage |
Which of the following is true about chromosome
1. nucleoprotein
2. 23 pairs in single human diploid cell
3. Contains primary constriction
4. All of these
On what basis chromosomes have been divided into four classes.
1. position of centromere
2. position of primary constriction
3. number of kinetochores
4. Both A and B
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