What type of vascular tissue carries water up from the roots of the plant?
A. Phloem
B. Xylem
C. Meristematic
D. Cambium
What is B. Xylem
What are the products of photosynthesis?
A. CO2 and O2
B. C6H12O6 and H2O
C. C6H12O6 and CO2
D. C6H12O6 and O2
D. C6H12O6 and O2
In plants, water can escape through the leaves by the process of transpiration. which of the following structures are involved in transpiration?
A. xylem, phloem, stomata
B. phloem, root hairs, xylem
C. root hairs, xylem, stomata
D. stomata, phloem, root hairs
C. root hairs, xylem, stomata
Where does translation occur?
A. In the nucleus
B. In the Golgi complex
C. On a ribosome
D. On a lysosome
C. On a ribosome
One biotic factor that affects consumers in an ocean ecosystem is:
A. number of autotrophs
B. temperature variation
C. salt content
D. pH of water
What is A. number of autotrophs
What type of plant tissue is where cell division occurs?
A. Dermal
B. Vascular
C. MeristematicD. Ground
C. Meristematic
What are the reactants of cellular respiration?
A. Glucose and oxygen
B. Carbon dioxide and water
C. Glucose and carbon dioxide
D. Carbon dioxide and oxygen
A. Glucose and oxygen
Which of the following has the largest population in an ecosystem?
A. Crab
B. Egret
C. Flounder
D. Phytoplankton
D. Phytoplankton
Which of the following is an example of a renewable resource?
A. Oil
B. Coal
C. Natural gas
D. Hydroelectric
D. Hydroelectric
In a male, where are sperm sored and matured?
A. testes
B. epididymis
C. vas deferens
D. prostate gland
B. epididymis
Under what conditions with the stomata usually be open?
A. All the time
B. At night time
C. Dry conditions
D. Daylight
D. Daylight
Which of the following is the most efficient form of cellular respiration?
A. Lactic acid fermentation
B. Alcoholic fermentation
C. Anaerobic respiration
D. Aerobic respiration
D. Aerobic respiration.
During which of the following would chromosomes become visible?
A. Interphase
B. Prophase
C. Metaphase
D. Cytokinesis
B. Prophase
What type of RNA brings amino acids to the ribosome?
A. mRNA
B. tRNA
C. rRNAD. sRNA
B. tRNA
If the father is heterozygous blood type A, and the mother is heterozygous blood type B, a child COULD NOT have which of the following blood types?
A. A
B. B
C. AB
D. O
E. All are possible
E. All are possible
Where would meiosis most likely occur in a flowering plant?
A. Anther
B. Leaf
C. Stem
D. Roots
A. Anther
What is the name of the process where DNA make mRNA?
A. Replication
B. Transcription
C. Translation
D. Transformation
B. Transcription
When and where does DNA replication occur?
A. G1 phase of interphase; nucleus
B. S phase of interphase; nucleus
C. S phase of interphase; ribosome
D. G1 phase of interphase; ribosome
B. S phase of interphase; nucleus
What organ in a female is equivalent to the testes in a male?
A. Ovaries
B. Fallopian tube
C. Uterus
D. Cervix
A. Ovaries
The first cells on the planet were probably:
A. Aerobic and eukaryotic
B. Anaerobic and eukaryotic
C. Aerobic and prokaryotic
D. Anaerobic and prokaryotic
D. Anaerobic and prokaryotic
Which type of plant leaf adaptation would be best for a plant in very dry condition?
A. Large leaves
B. Small leaves
C. Hard leaves
D. Soft leaves
B. Small leaves
How many amino acids are coded for by the DNA sequence
AATCGCTTAACTGCA
A. 15
B. 3
C. 5
D. 30
C. 5
How does atherosclerosis most likely affect blood flow?
A. Atherosclerosis increases resistance and decreases blood flow.
B. Atherosclerosis increases resistance and increases blood flow.
C. Atheroslerosis decreases resistance and increases blood flow.
D. Atherosclerosis decreases resistance and decreases blood flow.
What is A. Atherosclerosis increases resistance and decreases blood flow.
Which of the following IS NOT part of puberty in a female?
A. Start of menstrual cycle
B. Production of viable ova
C. Production of estrogen and progesterone
D. Final formation of the uterus
D. Final formation of the uterus
In an experiment, a placebo drug is given to Group A and a blood pressure medication is given to Group B. Which group is the control group?
A. Group A
B. Group B
C. There is no control group
D. There is no way to determine this
A. Group A