Dr. Homi Bhabha Balvaidnyanik Competition is conducted by Greater Bombay Science Teachers’ Association since 1981. Students studying in 6th std. and 9th std from all board can participate in this examination. Dr. Homi Bhabha Exam is an excellent way to clear the science concepts and make a strong foundation for students.
Dr. Homi Bhabha Exam also helps in preparation for IIT and NEET entrance Exam.
class 9 sample paper
1. Rate of change of displacement is called :
A. Speed
B. Velocity
C. acceleration
D. deceleration
View Answer
B
2. A passenger in a moving train tosses a coin which falls behind him. What can you say about the motion of train?
A. Uniform
B. Retarded
C. Accelerated
D. At rest
View Answer
C
3. The component of a chromosome that controls heredity is ____.
A. Proteins
B. Histones
C. DNA
D. RNA
View Answer
C
4. Thylakoid are the part of :
A. Mitochondria
B. Golgi body
C. Chloroplast
D. Endoplasmic reticulum
View Answer
C
5. Blood group is controlled by antigens which are present:
A. In blood plasma
B. On RBC membrane
C. On WBC membrane
D. In bone marrow
View Answer
B
6. What is the eyes of potato?
A. Axillary bud
B. Accessory bud
C. Adventitious bud
D. Apical bud
View Answer
A
7. The fertilized egg cell forms ________.
A. seed
B. fruit
C. flower
D. embryo
View Answer
D
8. Study of which of the following is not included in meteorology?
A. Storms
B. Thunder
C. Clouds
D. Topography
View Answer
D
9. The loss of water from plants and tree leaves is called:
A. Precipitation
B. Respiration
C. Evaporation
D. Transpiration
View Answer
D
10. Which of the following is a non-renewable resource?
A. Coal
B. Forest
C. Water
D. Wildlife
View Answer
A
11. If the velocity of a body is doubled its kinetic energy
A. gets double
B. becomes half
C. does not change
D. becomes 4 times
View Answer
D
12. Corrosion of metals involves –
A. Physical reactions
B. Chemical reactions
C. Both
D. None
View Answer
B
13. Oxidation is a process which involves-
A. addition of oxygen
B. addition of hydrogen
C. removal of oxygen
D. both (A) & (B)
View Answer
A
14. Which one is true regarding the bases ?
A. All bases are alkali
B. All alkalis are base
C. Bases are not alkali
D. None of the above
View Answer
B
15. Fermentation is carried out by yeast cells in the absence of____.
A. Nitrogen
B. Carbon dioxide
C. Hydrogen
D. Oxygen
View Answer
D
16. The disease tetanus is also known as:
A. Lock jaw
B. Shingles
C. Whooping cough
D. Gangrene
View Answer
A
17. DOTS is the treatment adapted for-
A. Tetanus
B. Tuberculosis
C. Sexually transmitted diseases
D. Dementia
View Answer
B
18. The Disaster management Act was made in-
A. 2005
B. 2006
C. 2007
D. 2009
View Answer
A
19. The change in momentum per unit time of a body represents:
A. Impulse
B. Force
C. Kinetic energy
D. Resultant force
View Answer
D
20. One litre of water occupies a volume of –
A. 100 cm3
B. 250 cm3
C. 500 cm
D. 1000 cm3
View Answer
D
21. Density of water is maximum at –
A. 0°C
B. 4°C
C. 5°C
D. 100°C
View Answer
B
22. Manometer is used to measure
A. Atmospheric pressure
B. Pressure
C. Depth
D. Gravity
View Answer
B
23.What is the name of single-window nodal agency which will be formed by ISRO to regulate private players in space
A. Nation Space
B. IN-SPACe
C. PvtSpace
D. Spacepro
View Answer
B
24. Name an element which is common to all acids?
A. Hydrogen
B. Chlorine
C. Oxygen
D. Sulphur
View Answer
A
25. The following reaction is an example of –
Zn + H2 SO4 (dil) → ZnSO4 + H2
A. decomposition reaction
B. single displacement reaction
C. combination reaction
D. synthesis reaction
View Answer
B
26. Cyperinus and Parthenium are types of:
A. Weeds
B. Diseases
C. Pesticides
D.Pathogens
View Answer
A
27. The management and production of fish is called:
A. Apiculture
B. Pisciculture
C. Sericulture
D. Aquaculture
View Answer
B
28. It is not a micronutrient present in soil :
A. Iron
B. Manganese
C. Chlorine
D. Nitrogen
View Answer
D
29. Scarcity or irregular distribution of rains causes:
A. Cyclones
B. Earthquakes
C. Droughts
D. Tsunamis
View Answer
C
30. When atoms share electrons what type of bond is formed?
A. Ionic bond
B. Covalent bond
C. Metallic bond
D. Hydrogen bond
View Answer
B
How will Homi Bhabha Exam benefit the student?
- The Dr. Homi Bhabha Exam is an excellent way to clarify scientific concepts and build a strong foundation for future learning.
- it helps students to clear IIT or medical exam.
