Biology Pre-assessment

What is the original source of almost all energy in most ecosystems?

• carbohydrates
• sunlight
• water
• carbon

Tags

NGSS.MS-LS1-6

Which of the following is the correct equation for PHOTOSYNTHESIS?

• CO₂ + light + H₂O --> O₂ + Sugar
• CO₂ + sugar + H₂O --> O₂ + light
• _O2 + light + H₂O --> CO₂ + Sugar
• CO₂ + O₂ + H₂O --> Light+ Sugar

Tags

NGSS.MS-LS1-6

In the energy pyramid here, which organisms have the most energy available?

• Producers
• Carnivores
• Herbivores
• Top Predator

Tags

NGSS.MS-LS2-3

What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.

• commensalism
• mutualism
• parasitism
• predation

Tags

NGSS.MS-LS2-2

“Powerhouse” of the cell, breaks food down into energy for the cell

• Vacuole
• Chloroplast
• Nucleus
• Mitochondria

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-7

Which phase of mitosis is seen in the picture?

• Cytokinesis

• Interphase

• Anaphase

• Metaphase

Tags

NGSS.HS-LS1-4

What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness? 

• 0 in 4
• 1 in 4
• 2 in 4
• 4 in 4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-3

In a DNA strand, Guanine bonds with ______________.

• Adenine

• Guanine

• Cytosine

• Thymine

Which biome contains large populations of grazing herbivores, few species of birds, and deep, rich soil?

• taiga
• tundra
• deciduous forest
• grassland

Which abiotic factor limits the altitude at which plants can grow?

• the presence of a parasite
• the temperature of the area
• the presence of herbivorous animals
• the concentration of microbes in the soil