1. Number of turns and voltage of a primary coil is 50 and 200 V respectively. If number of turns of secondary coil is 100, what is the voltage?
A. 100 VB. 300 VC. 200 VD. 400 V εs = Ns×εp Np = 100×200 V 50
2. Not included among approved food preservatives–
A. Sulfite salt, SO2B. Formalin, carbideC. Acetic acid, citric acidD. EDTA, propyl gallate
3. Distended part at the bottom of the carpel is called-
A. OvaryB. StyleC. StigmaD. Filament
4. Which gas will occupy the least volume at STP for? 5g
A. N2B. O2C. CO2D. Ar N2 = 5 28 × 22.4 O2 = 5 32 × 22.4 CO2 = 5 44 × 22.4 Ar = 5 40 × 22.4 5 44 CO2
5. Which pair is not correct for blood vessel?
A. Tunica adventitia → Connective tissueB. Tunica media → Muscular layerC. Tunica intima → Nervous tissueD. Tunica intima → Endothelium
6. In which segment is the main hearing organ of grasshopper present?
A. 1 thoracic stB. 2 thoracic ndC. 1 abdominal stD. 2 abdominal nd