LJMS Science Quiz Bowl 2024-25

What is the primary source of energy in a food web?

• Water

• Sunlight

• Soil

• Producers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which process in the water cycle involves water vapor cooling and changing into liquid water?

• Evaporation

• Condensation

• Precipitation

• Transpiration

Tags

NGSS.MS-ESS2-4

Which cell organelle performs cellular respiration to generate energy and is known as the "powerhouse of the cell"?

• Nucleus

• Mitochondria

• Ribosome

• Perfect Cell

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-7

When one gene/allele masks or covers the other, it is called the

• Recessive

• Dominant

• Codominance

• Genotype

What is the shape of the DNA molecule?

• Single helix

• Double helix

• Triple helix

• Linear strand

Which process in the nitrogen cycle converts nitrogen gas from the atmosphere into ammonia?

• Nitrification

• Denitrification

• Nitrogen fixation

• Ammonification

In food webs, which trophic level has the greatest biomass (number of organisms)?

• Producers

• Primary consumers

• Secondary consumers

• Tertiary consumers

Tags

NGSS.MS-LS2-3

Which cell organelle is responsible for photosynthesis?

• Mitochondria

• Chloroplast

• Nucleus

• Endoplasmic reticulum

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-6

What is the role of decomposers in a food web?

• Produce energy

• Consume plants

• Break down dead organisms

• Hunt prey

Tags

NGSS.MS-LS2-3

Which part of the water cycle involves water moving from the surface of the Earth to the atmosphere?

• Precipitation

• Condensation

• Evaporation

• Infiltration

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4