1. Tidal volume of a healthy adult at rest is-
A. 500 mLB. 1500 mLC. 4500 mLD. 6000 mL
2. Which element is present in all classes of proteins and nucleic acids?
A. SB. PC. ClD. N
3. Which one below is a living fossil?
A. GinkgoB. PinusC. WolffiaD. Pisum
4. Which buffer solution is present in human blood?
A. NaHCO3 and H2CO3B. NH4Cl and NH4OHC. CH3COONa and CH3COOHD. HCOOH and HCOONa
5. Which of the following is correct?
A. Platelets produce which causes constriction of blood vessels H2SB. Agranular leukocytes produce histamineC. Lymphocytes produce antibodiesD. Heparin secreted from platelets causes constriction of blood vessels
6. The new organism made by recombinant DNA technology is called-
A. TransgenicB. HybridC. CybridD. Clone