Options:
- A. Boiling
- B. Freezing
- C. Evaporation
- D. None of these
View Answer
B. Freezing
Everyday Science
Saffron is obtained from which among the following parts of the plant ________?
Options:
- A.
- B.
- C. Stamen
- D. Pollen
View Answer
B.
Of the total number of genes inherited by a child:
Options:
- A. more are from the father
- B. more are from the mother
- C. there are an equal number from each parent
- D. there is never a constant number from the parents
View Answer
C. there are an equal number from each parent
What is the average distance of the moon from earth?
Options:
- A. 384,400 km
- B. 350,000 km
- C. 380,200 km
- D. 384,500 km
View Answer
A. 384,400 km
A pulsar is actually a___________?
Options:
- A. Black hole
- B. White dwarf
- C. Red giant
- D. Neutron star
View Answer
D. Neutron star
The color of blood is red due to __________?
Options:
- A. Haemoglobin
- B. Neutrophils
- C. Esinophils
- D. Hematocrit
View Answer
A. Haemoglobin
Which gas does a Photocopier machine produce?
Options:
- A. Ozone
- B. carbon dioxide
- C. Sulfur dioxide
- D. None of these
View Answer
A. Ozone
Which gas is commonly used in balloons and airships?
Options:
- A. Helium
- B. Hydrogen
- C. Carbon
- D. Chlorine
View Answer
A. Helium
Velocity of sound in air does not change with the change of?
Options:
- A. Temperature of air
- B. Pressure of air
- C. Moisture content in air
- D. Wind in the direction of propagation of sound
View Answer
B. Pressure of air
A transformer works on the principle of _______________?
Options:
- A. Self induction
- B. Mutual induction
- C. Generator
- D. Inverter
View Answer
B. Mutual induction