Options:
- A. Retina
- B. Iris
- C. Cornea
- D. Pupal
View Answer
B. Iris
Everyday Science
Diameter of Sun is_____________?
Options:
- A. 12 Lakh kms
- B. 13 Lakh kms
- C. 14 Lakh kms
- D. 15 Lakh kms
View Answer
C. 14 Lakh kms
Which group of animals has heterogametic females?
Options:
- A. Domestic fowl
- B. Earthworm
- C. Rabbit
- D. None
View Answer
B. Earthworm
The Beta particles are fast moving___________?
Options:
- A. Protons
- B. Electrons
- C. Neutrons
- D. None
View Answer
B. Electrons
What is the smallest unit of heredity?
Options:
- A. Chromosomes
- B. Gene
- C. Nucleotides
- D. none
View Answer
B. Gene
_____________ are positively (+) charged particles?
Options:
- A. Neutrons
- B. Electrons
- C. Protons
- D. None of These
View Answer
C. Protons
Entomology Is the Study of___________?
Options:
- A. worms
- B. insects
- C. Animals
- D. All of these
View Answer
B. insects
What is the breathing rate of human being body?
Options:
- A. 15-11 minutes
- B. 16-20 minutes
- C. 25-26 minutes
- D. 32-35 minutes
View Answer
B. 16-20 minutes
A glass chimney stops an oil lamp from smoking because:
Options:
- A. It increases the supply of oxygen to the flame by convection
- B. The heat produced ensures complete
- C. Both to these
- D. Neither of these
View Answer
C. Both to these
The large dark patches on the Moon
Options:
- A. Dark matter
- B. Maria, or seas, even though there is no water on the Moon
- C. Maria, or seas, because they are filled with water
- D. Moon spots
View Answer
B. Maria, or seas, even though there is no water on the Moon