MBBS Entrance Examination Questions

MCQ Questions Zoology

31. What happens to breathe rate when CO2 concentration in blood increases

1. Deeper and higher
2. Lower and higher
3. Lower and lower
4. All

32. Which is not present in the primitive atmosphere

1. N₂
2. CH₄
3. H₂
4. O₂

33. Which is the most important simplest organic compound that first evolved at the time of evolution?

1. Amino acid and protein
2. Nucleic acid and protein
3. NH₃ and protein
4. NH₃ and nucleic acid

34. Which is not correct

1. Myosin- contractile protein
2. Troponin fibrous protein
3. Red muscle- myoglobin
4. RBC- Hb

35. Which is learned behavior?

1. Cycling and drawing
2. Fixing action pattern
3. Innate behavior
4. All

36. If the medical report of a newly married woman shows uterus cancer so she has done hysterotomy and wants to get a child then which of the following procedure is better for her?

1. IVF and eggs lended from surrogate mother
2. IVF and eggs lended from intended mother and father’s sperm and transfer to surrogate mother’s uterus
3. IVF and transfer in uterus of intended mother
4. IVF and eggs lended from surrogate mother and father sperms

37. Which of the following is correct?

1. Stimulant- Amphetamine
2. LSD- stimulant
3. Nicotine- opiate
4. All

38. Rat, Rabbit, and whale belong to the same group. Which is the most common character among them?

1. 4- chambered heart
2. Book Gills
3. Diaphragm
4. Nucleated RBC

39. Smooth muscle fibers are

1. Spindle shape, unbranched, involuntary and uni-nucleated
2. Branched and involuntary
3. Multi-nucleated
4. Multi-nucleated, branched

40. A plant cell that has the potential to develop into a full plant is called

1. Totipotency
2. Regeneration
3. Tissue culture
4. Gene cloning