1. ‘‘Holothuria tubulosa’’ belongs to which phylum?
A. AnnelidaB. EchinodermataC. MolluscaD. Nematoda
2. Which phase become end when chromosomes reached near to the pole?
A. ProphaseB. MetaphaseC. AnaphaseD. Telophase
3. Which instrument is used to sterilize in case of tissue culture?
A. IncubatorB. RefrigeratorC. VortexD. Autoclave
4. If the roots of the equation are and then what is the value of? x2 − 5x + 5 = 0 α β α3 + β3
A. 50B. 25C. 75D. 100
5. Which one is Charles’ law?
A. P ∝ 1 V (at constant T )B. V ∝ 1 T (at constant T )C. V ∝ T (at constant P )D. P ∝ T (at constant V )
6. Which of the following gases is comparatively more inert?
A. O2B. N2C. Cl2D. F2