3921. You have discovered a new celestial body. It has a thick atmosphere and it produces powerful cosmic winds and, when observed, the clouds obscure the body. You have determined it is this type of star.
✅ B. Wolf-Rayet star
Everyday Science MCQs – Page 197
3922. Boiling of an egg is a change which is_____?
✅ A. Chemical
3923. Which is the nearest star to our sun?
✅ B. Proxima Centurai
3924. Which element is used as moderator in nuclear reactor?
✅ D. Heavy water
3925. In a railway track, two rails are joined end to end with a gap tin between them because?
✅ D. Accidents due to expansion in summer can be avoided
3926. Bore is caused by______?
✅ B. Rising tide while meeting river currents
3927. An extremely small piece of silicon on which integrated circuits are implicated is called ________?
✅ D. Chip
3928. How many Dynes are there in one gram weight?
✅ A. 981
3929. Deficiency of Vitamin-D results in _____?
✅ A. rickets
3930. The earth’s ______ is divided into 15 major plates of various sizes
✅ C. Lithosphere
3931. which of the following planets is known as “morning star”?
✅ A. VENUS
3932. Non stick cooking utensils are coated with___?
✅ C. Teflon
3933. Mach number is used in connection with the speed of______?
✅ D. aircraft
3934. Who said that light is made of corpuscles/particles?
✅
3935. The principal constituent of the atmosphere of the Earth is?
✅ D. Nitrogen
3936. 1 BTU(British thermal unit) is equal to______?
✅ C. 1055 joules
3937. The process of converting wet waste to manure is______?
✅ D. Composting
3938. The main constituent of hemoglobin is______?
✅ A. Iron
3939. Cell or Tissue death within a living body is called as_____?
✅ C. Necrosis
3940. Elements are made of ____?
✅ B. Atoms