31. What is the name of the group of stars that appears to form a pattern or shape in the sky?
a) Constellation
b) Galaxy
c) Nebula
d) Supernova
Answer: a) Constellation
32. Which of the following is not a type of star?
a) Red giant
b) White dwarf
c) Brown dwarf
d) Blue supergiant
Answer: c) Brown dwarf
33. What is the name of the process by which a star fuses helium into heavier elements like carbon and oxygen?
a) Nuclear fission
b) Nuclear fusion
c) Nuclear decay
d) Nuclear fusion and fission
Answer: b) Nuclear fusion
34. Which type of galaxy has no discernible shape or structure?
a) Elliptical galaxy
b) Spiral galaxy
c) Irregular galaxy
d) Dwarf galaxy
Answer: c) Irregular galaxy
35. What is the name of the large, diffuse cloud of gas and dust from which stars and planets form?
a) Supernova remnant
b) Planetary nebula
c) H II region
d) Interstellar medium
Answer: d) Interstellar medium