MCQ
If a particle moves with uniform speed then its tangential acceleration will be ______.
- Ainfinite
- ✓zero
- Cr`omega^2`
- D`"V"^2/"r"`
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| X = x | –2 | –1 | 0 | 1 | 2 |
| P(X = x) | 4b | 5b | 2b | b | 2b |
Then the value of P(X < 1) is ______.
(cos 135° = 0.7)

| List-I | List-II | ||
| i. | Ribozyme | a. | Lac operon |
| ii. | Friedrich Miescher | b. | DNS as genetic material |
| iii. | Alfred Hershey and Martha Chase | c. | Catalytic RNA molecule |
| iv. | Francois-Jacob | d. | DNA is acidic substance |