Biology Test 1

Question 1

2. Given these structures:
3. Cell
4. Organ
5. Compound
6. Organ system
7. Organism
8. Tissue

Arrange the structures in the correct order from smallest to largest.

Answer 1

A. 3-1-6-5-2-4

Question 2

3. Which of the following differentiates RNA from DNA?
   a. RNA’s sugar component is deoxyribose while DNA’s sugar component is ribose.
   b. RNA contains uracil while DNA contains thymine.
   c. RNA is a double stranded and DNA is single stranded.
   d. It is not possible to differentiate RNA from DNA.

Answer 2

B

Question 3

4. The following are organelles that can be found in animals, EXCEPT:
   a. Mitochondria
   b. Lysosomes
   c. Chloroplasts
   d. Golgi apparatus

Answer 3

C

Question 4

5. The following refers to osmosis EXCEPT:
   a. It is a passive diffusion of water across a semi-permeable membrane
   b. Substances move from a region of higher water concentration to a region of low water concentration
   c. Water moves from hypotonic to hypertonic environment
   d. It needs ATP as an energy source.

Answer 4

D

Question 5

6. Red-green color blindness is an X-linked recessive trait in humans. A man with normal vision married a color blind woman and had children.

Which of the following is MOST probable

a. All of the children will be color blind.
b. All of the sons will be color blind.
c. None of the children will be color blind.
d. All of the daughters will be color blind.

Answer 5

B

Question 6

7. Molecule or ions are move uphill against an electrical or pressure gradient across cell membrane in a process called:
   a. osmosis
   b. diffusion
   c. active transport
   d. passive transport

Answer 6

C

Question 7

8. Female and male sex cells are called
   a. Genotypes
   b. Alleles
   c. Hybrids
   d. Gametes

Answer 7

D

Question 8

9. “A group of cells with similar structure and function plus the extracellular substances located between them,” describes:
   a. organelles
   b. organisms
   c. organs
   d. tissues

Answer 8

D

Question 9

10. If you observed a cell under a microscope and noticed that it contained a plasma membrane, cell wall, and ribosomes, but none of the other organelles, what would you conclude.
    a. It is a prokaryotic cell
    b. It is an eukaryotic cell
    c. It is damaged
    d. It is an animal cell

Answer 9

A

Question 10

11. The complete process of meiosis will result in which of the following?
    a. Four new cells that are diploid
    b. Four news cells that are haploid
    c. Two new cells that are identical
    d. Two new cells that are haploid

Answer 10

B

Question 11

12. Which of the following is not considered a characteristic of living organisms?
    a. Presence of organs
    b. Cellular organization
    c. Metabolic activity
    d. Irritability

Answer 11

A