Options:
- A. Ultra pure carbon
- B. Silicon
- C. Beryllium
- D. Tantalum
View Answer
B. Silicon
Everyday Science
Pedosphere is sum of_____________?
Options:
- A. Organisms
- B. Soil and water
- C. Air
- D. All of above
View Answer
D. All of above
Which of the following is a mammal?
Options:
- A. Ostrich
- B. Crocodile
- C. Platypus
- D. Duck
View Answer
C. Platypus
Equator passes through one of these countries___________?
Options:
- A. Saudi Arabia
- B. Italy
- C. Japan
- D. None
View Answer
D. None
The number of electrons of a neutral atom is automatically known if one knows the?
Options:
- A. Atomic number
- B. Atomic weight
- C. Number of orbitals
- D. none
View Answer
A. Atomic number
When water is filled in a bottle and is allowed to freeze, the bottle breaks because
Options:
- A. Water expands on freezing
- B. Bottle contracts at freezing point
- C. temperature outside the bottle is less than that inside the bottle.
- D. None of the above
View Answer
A. Water expands on freezing
Orange belongs to the family
Options:
- A. Malvaceae
- B. Rutaceae
- C. Composite
- D. None of These
View Answer
B. Rutaceae
The inner most part of the earth is__________?
Options:
- A. Crust
- B. Mental
- C. Core
- D. None of these
View Answer
C. Core
Current stage of star
Options:
- A. white dwarf
- B. red giant
- C. yellow dwarf
- D. orange dwarf
View Answer
C. yellow dwarf
When a star becomes a singularity and has zero volume and infinite density, it is called_______________?
Options:
- A. White dwarf
- B. Blue giant
- C. Wolf-Raynet star
- D. Black hole
View Answer
D. Black hole