Science 9 Unit A Chapter 2 & 3 Quiz

To better understand variation, scientists explore the characteristics passed on from generation to generation within a species. Those characteristics are ...

• Genetic

• Inherited

• Non-Inherited

• Non-Genetic

An albino kangaroo is a kangaroo that is pure white. This characteristic is classified as a ...

• Non-Inherited Variation

• Continuous Variation

• Discrete Variation

• Singular Variation

Your height is considered to be a heritable characteristic but is affected by ...

• Age

• Diet

• Bone Mass

• Blood Type

Variations caused by interactions with the environment are not heritable. Plants that are grown in dim lighting conditions would turn out to be ...

• Identical to their parents in all aspects

• Much like their parents

• Very different from their parents

• Similar to parent plants that were grown in dim light

Fungi, algae, moulds, and non-flowering plants reproduce by producing ...

• Seeds

• Spores

• Buds

• Tubers

Sexual reproduction in plants and animals relies on the union of two specialized cells called ...

• Zygotes

• Embryos

• Gametes

• Stamens

The pistil is made up of the following parts ...

• Ovary, filament, & stigma

• Stamen, stigma, & ovary

• Anther, ovary, & stigma

• Stigma, style, & ovary

Cross-fertilization occurs when a pollen grain ...

• From one plant fertilizes a different plant

• From one plant fertilizes the plant it belongs to

• Is not able to pollinate another plant

• Is carried by the wind, water, or an animal to another plant

The inherited material that is responsible for variation in all organisms is DNA. DNA stands for ...

• Donornucleis acid

• Delicate nucleus assist

• Denitro acetaminophen

• Deoxyribonucleic acid

To solve the structural questions that DNA posed, two scientists revealed that the same chemical building blocks could carry a wide range of instructions needed for diversity. The scientists were ...

• Avery & Crick

• MacLeod & Crick

• McCarty & Watson

• Crick & Watson