1. Which one causes poisoning?
A. Bacillus cereusB. Clostridium botulinumC. Staphylococcus aureusD. Klebsiella pneumoniae
2. If the roots of the equation are equal then which of the following is correct?1 x + a − bx = 0
A. b2 + 4a = 0B. b2 = 4aC. a2 + 4b = 0D. a2 = 4b 1 x + a − bx = 0 ⇒ bx2 − ax − 1 = 0
3. What is the correct order of ovum formation in Cycas?
A. Ovule → Megaspore mother cell → Megaspore → OvumB. Ovule → Archegonium → Megaspore → OvumC. Ovule → Megaspore mother cell → Megaspore → Archegonium → OvumD. Archegonium → Ovule → Megaspore → Ovum
4. Which one has the correct spelling?
A. intertwaineB. interventionC. interfareD. intercect
5. What is the wave number of third line of Lyman series?
A. 15RH 16B. 16 15RHC. 16RH 15D. 1 6 RH 1 λ = RH ( 1 n2 1 − 1 n2 2 ) = RH (1 − 1 42 ) = 15RH 16
6. At which stage of life there is maximum number of red blood cell in human body?
A. EmbryoB. ChildC. Adult maleD. Adult female