Which of the following constellations are visible in the summer season?
A. Cassiopeia
B. Orion
C. Leo Major
D. Big Bear
(a) A and B
(b) B and C
(c) A and C
(d) C and D
Which of the following constellations can be seen in the night sky during the winter season?
A. Orion
B. Ursa Major
D. Cassiopeia
(c) A and D
(d) B and D
Name two constellations which are visible in the sky:
(a) in the summer season.
(b) in the winter season.
Which of the following planets show phases like the moon?
A. Venus
B. Mercury
C. Jupiter
D. Mars
Which of the following plastics do not have cross-links between their polymer chains?
A. Nylon B. Melamine C. Terylene D. Bakelite
(a) A and B (b) B and C (c) A and C (d) C and D