FREE AND STUDY GAMES ABOUT BIOLOGY LAB EXAM 1

PDF Download

FREE AND STUDY GAMES ABOUT BIOLOGY LAB EXAM 1

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -51 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: What is a compound light microscope?

Answer:

You will use this microscope the most in this class. It has the three magnifying lenses. Good for looking at elodea plant cells or cheek cells.

Question 2: How do you calculate the total magnification?

Answer:

(eyepiece) x (objective)

ex: 10 x 40 =100

Question 3: What is resolving power?

Answer:

the extent to which object detail in an image is preserved during the magnifying process

Question 4: What test is used to detect starch?

Answer:

Lugol's test

Question 5: What are the steps of the scientific method?

Answer:

Observation, hypothesis, prediction, experimentation, analysis and conclusion

Question 6: Define observation

Answer:

ask a question about the selected topic and then research the topic

Question 7: What is prokaryotic cell?

Answer:

Ex. bacteria and archaeans. Single-celled organism that lacks a membrane-bound nucleus.

Question 8: What is an alternative hypothesis?

Answer:

Ha= > or <

Question 9: What test is used to detect lipids?

Answer:

Sudan IV Question 10: What is the difference in structure between a plant and animal cell?

Answer:

Plant cells have additional structures; chloroplasts, the cell wall, and vacuoles.

Question 11: Microscope. What is the function of the fine adjustment knob?

Answer:

sharpens the knob

Question 12: what is eukaryotic cell?

Answer:

Ex. Animal and plant cells. Contain a true nucleus and contain membrane-bound organelles

Question 13: Microscopes. What is the function of the body tube?

Answer:

Maintains proper distance between lenses

Question 14: What is a scanning electron microscope (SEM)?

Answer:

Magnify very small specimens with very find detail. Useful to study outside of structure. Magnification from 10x-10000x or higher. Usually look like detailed 3 dimensional photos. It is an electron microscope.Good to look at the head of a bee or feather.

Question 15: Define inductive reasoning

Answer:

logical process that involves looking at all known observations and considering them all. Moves from specific to general

Question 16: What can you find in the abstract?

Answer:

it's a summary of the formal lab report

Question 17: What is magnification?

Answer:

the amount that the image of an object is enlarged

Question 18: What can you find in the results?

Answer:

raw data, descriptive statistics(mean standard deviation), chi square or t-test results, and a narrative.

Question 19: Microscope. What is the function of the stage?

Answer:

supports slide

Question 20: Define deductive reasoning

Answer:

a prediction is produced from a possible answer to the question. Moves from general to specific.

Question 21: Microscope. What is the function of the coarse adjustment knob?

Answer:

focuses image

Question 22: Microscope. What is the function of the ocular lens(eyepiece)?

Answer:

Magnification.

Question 23: What is the study area in a scholarly peer-reviewed article?

Answer:

it is where you are going to do the study and where in that area

Question 24: what test is used to detect sugar?

Answer:

Benedict's reagent

Question 25: What test is used to detect proteins?

Answer:

Biuret reagent

Question 26: Define hypothesis

Answer:

A proposed explanation ( a educated guess)

Question 27: Microscope. What is the function of the base?

Answer:

supports microscope.

Question 28: Define prediction

Answer:

Assume that the hypothesis is correct and then predict what the result of testing will be