GRADE 10 SCIENCE QUIZ BEE (FINAL ROUND)

QUIZ BEE

FINAL ROUND

EASY ROUND

Multiple Choice

1. Which band of frequency is suitable for communication over great distances?

• A. Low frequency

• B. Medium frequency

• C. very low frequency

• D. extremely low frequency

Multiple Choice

2. A _____________ is a preserved remains of animals and plants that lived in the past.

• Carcass

• Relic

• Fossils

• Specimen

Multiple Choice

3. The boundary line between the Earth's crust and mantle was discovered by _________________.

• Beno Gutenberg

• Anrija Mohorovicic

• Inge Lehmann

• Alfred Wegener

Multiple Choice

English (Difficult):

3. _________in a narrative or creative writing is the sequence of events that make up a story whether it is told, written, filmed or sung.

• A. Character

• B. Characterization

• C. Plot

• D. Social condition

Multiple Choice

4. Refers to the general process of change in populations of organisms over a period of time.

• Development

• Evolution

• Growth

• Adaptation

Multiple Choice

5. These are chemical substances produced by the endocrine glands that have specific regulatory effects on cells in different parts of the body.

• Hormones

• Vitamins

• Sugars

• Nutrients

Multiple Choice

6. This is the point where the weight of a rigid body is concentrated

• Center of Weight

• Center of Mass

• Center of Gravity

• Center of Force

Multiple Choice

7. It is ___________________ is the union of the egg cell and the sperm cell which happens in the fallopian tube.

• Gestation

• Pregnancy

• Development

• Fertilization

AVERAGE ROUND

Multiple Choice

1. What do we call the study of the behavior of light?

• Refraction

• Reflection

• Optics

• Lenses

Multiple Choice

Filipino (Average):

9. Isang uri ng tula na nagmula sa Italya na may labing-apat na taludtod at sampung pantig sa bawat taludtod.

• A. Soneto

• B. Tanaga

• C. haiku

• D. alegorya

Multiple Choice

2. Segment or segments of DNA which makes up a chromosome.

• Proteins

• Nucleus

• Cell

• Gene

Multiple Choice

3. When balancing equations, the rule is that you can only add, change, and remove ____________

• Coefficients

• Mass

• Subscripts

• Elements

Multiple Choice

4. It is an electromagnetic wave with frequency or energy which is greater than that of violet light.

• X-rays

• Gamma rays

• Infrared

• Ultraviolet

Multiple Choice

AP (Average):

11. Ito ay tumutukoy sa isang uri ng iskemang subcontracting kung saan ang subcontractor ay walang sapat na puhunan upang gawin ang trabaho o serbisyo at ang pinasok niyang manggagawa ay may direktang may kinalaman sa mga gawain ng kompanya

• A. Labor-only contracting

• B. Job-contracting

• C. Contractual

• D. Temporary worker

Multiple Choice

5. The Law of Conservation of Mass states that the total mass of the reactants should be

• More than the mass of the products

• Equal to the mass of the products

• Ignored during the reaction

• Less than the mass of the products

Multiple Choice

6. It_________________ favors the survival of fit organisms and the persistence of genes that contribute to their ecological success.

• Natural Selection

• Survival of the Fittest

• Development

• Progress

Multiple Choice

7. The sugars found in fruits and is twice as sweet as glucose is called ______________.

• Dextrose

• Fructose

• Lactose

• Galactose

DIFFICULT ROUND

Multiple Choice

1. What do we call the mirror which produces images that are similar to the objects they reflect?

• Curved Mirror

• Concave Mirror

• Plane Mirror

• Convex Mirror

Multiple Choice

2. Identify this type of reaction:  Al (s) + HCl (aq) → AlCl₃ (aq) + H₂ (g)

• Precipitation
• Synthesis
• Combustion
• Single Replacement

Multiple Choice

3. A fetus' body is covered with fine white hair called ___________.

• Cilia

• Lanugo

• Follicles

• Vellus

Multiple Choice

In the following reaction, what sign is there that a precipitation reaction took place? AgNO₃ (aq) + NaOH (aq) → AgOH (s) + NaNO₃ (aq)4.

• The formation of a nitrate
• The (aq), meaning aqueous or dissolved in water
• The (s), meaning the formation of a solid
• The base (OH) reactant 

Multiple Choice

5. The following reaction is an example of what reaction type?  CoCO₃ → CoO + CO₂

• Synthesis
• Decomposition
• Single Replacement
• Double Replacement

Multiple Choice

6. Balance this equation.

_CF₄ + _Br₂ -- _CBr₄ + _F₂

• 2,1,2,1

• 1,2,2,1

• 1,2,1,2

• 2,2,2,2