MCQ
During embryo development, the embryonal initial cell undergoes a transverse and two vertical divisions at right angles to each other to form ______.
- ✓octant stage
- Btetrad stage
- Cnone of these
- Dtriplet stage
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| Column I | Column II | ||
| i. | Vitamin C | a. | S. cerevisiae |
| ii. | Beer | b. | A. niger |
| iii. | Chloromycetin | c. | Sclerotiana libertine |
| iv. | Pectinase | d. | S. venezuelae |
p: There is a rational number x ∈ S such that x > 0. Which of the following statements is the negation of the statement p?