Question 1

What is the function of nucleic acids in living organisms?

Accepted Answer

Storing and transmitting genetic information

Answer

Providing structural support

Answer

Breaking down carbohydrates

Answer

Facilitating muscle contraction

Question 2

What is the primary function of carbohydrates in living organisms?

Accepted Answer

Providing energy

Answer

Transporting oxygen

Answer

Building DNA

Answer

Facilitating muscle contraction

Question 3

What is the main function of detritivores in an ecosystem?

Accepted Answer

Breaking down dead organic matter

Answer

Capturing and consuming live prey

Answer

Converting sunlight into energy

Answer

Producing oxygen through photosynthesis

Question 4

What is the main function of proteins in living organisms?

Accepted Answer

Building and repairing tissues

Answer

Storing and providing energy

Answer

Maintaining fluid balance

Answer

Facilitating nerve transmission

Question 5

Which of the following is a primary source of energy for cellular processes?

Accepted Answer

ATP

Answer

Monosaccharide

Answer

Fatty acid

Answer

Amino acid

Question 6

What is the main function of lipids in cells?

Accepted Answer

Energy storage and insulation

Answer

Cellular respiration

Answer

DNA synthesis

Answer

Protein synthesis

Question 7

Which of the following is a monomer of carbohydrates?

Accepted Answer

Monosaccharide

Answer

Fatty acid

Answer

Amino acid

Answer

Nucleotide

Question 8

Which of the following is a type of lipid?

Accepted Answer

Phospholipid

Answer

Fructose

Answer

Starch

Answer

Glycogen

Question 9

Which of the following is a simple sugar?

Accepted Answer

Glucose

Answer

Protein

Answer

Lipid

Answer

Starch

Question 10

Which of the following is an example of a primary consumer?

Accepted Answer

Rabbit

Answer

Lion

Answer

Snake

Answer

Eagle

Question 11

What is a producer in an ecosystem?

Accepted Answer

An organism that produces its own food through photosynthesis

Answer

An organism that feeds on other organisms

Answer

An organism that consumes other organisms for food

Answer

An organism that decomposes dead material

Question 12

What is the role of a consumer in an ecosystem?

Accepted Answer

To obtain energy by feeding on other organisms

Answer

To produce food through photosynthesis

Answer

To maintain the balance in the ecosystem

Answer

To decompose dead material

Question 13

What is the role of decomposers in an ecosystem?

Accepted Answer

To break down organic matter and recycle nutrients

Answer

To hunt and kill other organisms

Answer

To produce energy through photosynthesis

Answer

To provide food for other organisms

Question 14

Which of the following terms refers to a living component of an ecosystem?

Accepted Answer

Biotic factor

Answer

Competition

Answer

Abiotic factor

Answer

Climate

Question 15

Which of the following terms refers to a non-living component of an ecosystem?

Accepted Answer

Abiotic factor

Answer

Diversity

Answer

Climate

Answer

Biotic factor

Question 16

What term refers to the variety of species in an ecosystem?

Accepted Answer

Diversity

Answer

Climate

Answer

Abiotic factor

Answer

Biotic factor

Question 17

What is a common method used to determine the ancestral relationships and evolutionary history of species?

Accepted Answer

Phylogenetic tree

Answer

Cytochrome b

Answer

Population

Answer

DNA sequence

Question 18

What is the term used to describe the ancestral species from which two or more different species have evolved?

Accepted Answer

Common ancestor

Answer

Migration

Answer

Phylogeny

Answer

Population

Question 19

What is gene flow?

Accepted Answer

The movement of genes from one population to another

Answer

The process of altering the genetic material of an individual

Answer

The process of creating new genes in a population

Answer

The loss of genes in a population over time

Answer

The movement of organisms from one habitat to another

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