D. all of the above

33. An alkene with 16 carbons has a molecular formula of:

A.

B.

C.

D.

34. Splitting of atoms is also called:

A. merging

B. moderating

C. fusion

D. fission

35. Which formula represents sodium sulfate?

A.

B.

C.

D.

PHYSICS

36. As the temperature of a solid increases, its specific heat:

A. increases

B. decreases

C. increases, then decreases

D. decreases, then increases

E. remains the same

37. Radiation is the chief method of energy transfer:

A. from the Sun to an Earth satellite

B. from a gas flame to water in a teakettle

C. from a soldering iron to metals being soldered

D. from water to an ice cube floating it

E. from a mammal to the surrounding air

38. If a vibrating body is to be in resonance with another body, it must:

A. be of the same material as the other body

B. vibrate with the greatest possible amplitude

C. have a natural frequency close to the natural frequency of the other body

D. vibrate faster than usually

E. vibrate more slowly than usually

39. If the distance between a point source of light and a surface is tripled, the intensity of illumination on the surface will be:

A. tripled

B. doubled

C. reduced to

D. reduced to

E. reduced to

40. In a cathode ray tube:

A. electrons go from cathode to plate and then from plate to cathode

B. electrons go from cathode to plate only

C. electrons go from plate to cathode only

D. electrons go from cathode to plate and protons go from plate to cathode

E. protons go from cathode to plate and electrons go from plate to cathode

BIOLOGY

41. End of menstrual cycle in old age is called:

A. Andropause

B. Menopause

C. Gametopause

D. All of the above

42. Genotype ratio of Mendel’s Law of independent assortment is:

A. 3 : 1

B. 1 : 2 : 1

C. 9 : 3 : 3 : 1

D. None of the above

43. Proteins are made up of:

A. Proteases

B. Peptides

C. Carboxylic acid

D. Amino acid

44. Which of the following is a characteristic of land plants?

Date: 2016-01-03; view: 881