21. Archaeopteyrx' is a connecting link between which of the following classes of animal?
22. Nucleolus was discovered by
23. Number of mitochondria in bacterial cell is
24. Match List I (Conditions of chromosome) with List II (Chromosome numbers) and choose the correct answer:
List-I
List-II
a. Monosomics
1. 2n + 2
b. Trisomics
2. 2n - 2
c. Nullisomics
3. 2n - 1 - 1
d. Double monosomics
4. 2n +1
e. Tetrasomics
5. 2n - 1
List-I | List-II |
a. Monosomics | 1. 2n + 2 |
b. Trisomics | 2. 2n - 2 |
c. Nullisomics | 3. 2n - 1 - 1 |
d. Double monosomics | 4. 2n +1 |
e. Tetrasomics | 5. 2n - 1 |
25. Match List-I with List-II and select the correct answer:
List-I
List-II
a. Nucleus
1. De Duve
b. Chromosomes
2. Benda
c. Mitochondria
3. Waldeyer
d. Lysosome
4. Robert Brown
List-I | List-II |
a. Nucleus | 1. De Duve |
b. Chromosomes | 2. Benda |
c. Mitochondria | 3. Waldeyer |
d. Lysosome | 4. Robert Brown |
26. DNA is made up of
27. Match List-I (Complexes) with List-II (Alternative names) and select the correct answer:
List-I
List-II
a. Complex I
1. Succinate : CoQ reductase
b. Complex II
2. Cytochrome c oxidase
c. Complex III
3. ATPase
d. Complex IV
4. NADH/NADPH : CoQ reductase
e. Complex V
5. Reduced CoQ : cytochrome c reductase
List-I | List-II |
a. Complex I | 1. Succinate : CoQ reductase |
b. Complex II | 2. Cytochrome c oxidase |
c. Complex III | 3. ATPase |
d. Complex IV | 4. NADH/NADPH : CoQ reductase |
e. Complex V | 5. Reduced CoQ : cytochrome c reductase |
28. Mitotic chromosomes are made up by the coiling of a large cylindrical fibre called
29. Chromosome number in any species
30. The separating chromosomes during diplotene are held together at one or more points, where breaks and fusion had occured, called as
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