GED - SCIENCE LIFE SCIENCE EXAM QUESTIONS

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GED - SCIENCE (LIFE SCIENCE) EXAM QUESTIONS

Qs and Ans - Expert- Explanation - ing score -49 Questions and Answers

-Format: Multiple-choice / Flashcard

Question 1: gene

Answer:

A segment of DNA that codes for a specific protein.

Question 2: fermentation

Answer:

An alternative method for converting energy when oxygen isn't available.

Question 3: chromosomes

Answer:

Packaged and organized structure containing most of the DNA of a living organism

Question 4: alleles

Answer:

Different versions of genes

Question 5: Nucleus

Answer:

Cell Component - Stores cell's DNA

Question 6: Muscle, Nervous, Epithelial, and Connective

Answer:

Four types of tissue

Question 7: pedigree chart

Answer:

used to trace the inheritance of a trait through the generations of a family

Question 8: epigenetics

Answer:

The study of how genes are turned off.

Question 9: Secondary consumers

Answer:

Carnivores that consume primary consumers for energy

Question 10: Muscular

Answer:

Organ syatem - Locomotion, and heat production. Includes muscles, and tendons

Question 11: meiosis

Answer:

type of cell division that produces reproductive cells

Question 12: phenotype

Answer:

Physical appearance for a trait

Question 13: genotype

Answer:

Your combination of alleles for a specific gene

Question 14: central dogma of biology

Answer:

The process of DNA, to RNA, to protein

Question 15: Ribosome

Answer:

Cell Component - Site where proteins are built

Question 16: Enzymes

Answer:

Proteins that help chemical reactions to occur faster.

Question 17: specialized

Answer:

Each cell is made for a special job

Question 18: respiration

Answer:

How plants converting the energy from food into a usable form.

Question 19: Respiratory

Answer:

Oxygen/carbon dioxide exchange

Question 20: Punnett square

Answer:

A chart used to calculate the probability of parents passing on a trait to their child.

Question 21: specialized tissue

Answer:

A group of cells working together

Question 22: speciation

Answer:

When a new species evolves from an existing species

Question 23: organ

Answer:

Makes up the organ system

Question 24: Producers

Answer:

Are organisms (usually plants) that convert some of the sun's energy into stored chemical energy.

Question 25: Integumentary

Answer:

Organ system - barrier to invading organisms and chemicals, and temperature control. Includes skin, hair, and subcutaneous tissues

Question 26: Nurvous

Answer:

Organ system - Coordinates activities of other organ systems, and responds to sensations. Includes brain, spinal cord, nerves, eyes,and ears

Question 27: homesostasis

Answer:

Human bodies ability to adjust to external changes while maintaining a stable internal environment

Question 28: Endocrine

Answer:

Organ system - regulates body functions by chemicals (hormones). Includes all glands, Thymus, and Pancreas.

Question 29: organ system

Answer:

Makes up your body, with a unique job for each.