Bio Quiz

How do trees obtain energy?

• they produce food through photoynthesis

• they eat grass

• they absorb nutrients from decomposing pants and animals

• they eat animals

The nesting habits of four types of birds are described in the table above.

If all the dead branches and dying trees in a wooded area are removed, which birds nesting habit would be most affected?

• Baltimore oriole

• Barn swallow

• Downy woodpecker

• Belted kingfisher

Directs all cell activities through the DNA located there.

• Lysosomes

• Nucleus

• ribosomes

• Mitochondria

What is the function of the mitochondria in a cell?

• Photosynthesis

• Protein synthesis

• Cellular respiration

• DNA replication

Which of the following is NOT a product of photosynthesis?

• Oxygen

• Glucose

• Carbon dioxide

• Water

In genetics, what does the term "homozygous" refer to?

• Having two different alleles for a trait

• Having two identical alleles for a trait

• The study of genes and their roles in inheritance

• A type of genetic cross

Which level of ecological organization is concerned with both the biotic and abiotic components of an environment?

• Community

• Population

• Ecosystem

• Biosphere

What is the primary pigment used in photosynthesis?

• Chlorophyll

• Carotene

• Xanthophyll

• Anthocyanin

Which organelle is known as the "powerhouse of the cell"?

• Nucleus

• Mitochondria

• Chloroplast

• Endoplasmic reticulum

What is the basic unit of life?

• Atom

• Molecule

• Cell

• Tissue