WorksheetsBiology Review Part 2
Total questions: 20
Worksheet time: 10mins
A protein disk that attaches two chromatids to each other in a chromosome is called a…
Chloroplast
Centromere
Gamete
Centriole
The diploid number of chromosomes in a human skin cell is 46. How many chromosomes are in a human egg cell?
46
92
23
12.5
The stage of the cell cycle that occupies most of the cells life is…
G1
M
G2
Interphase
Which of the following shows the correct sequence of the cell cycle?
C, M,G1,S,G2
S,G1,G2,M,C
G1,S,G2,M,C
none of the above
The difference between anaphase of mitosis and anaphase 1 of meiosis is that…
The chromosomes line up at the equator in anaphase
Centromeres do not exist in anaphase 1
Chromatids do not separate at the centromere in anaphase 1
Crossing over occurs only in anaphase of mitosis
Crossing over would most likely occur during which stage of the cell cycle?
When DNA is being replicated
When homologous chromosomes line up in pairs
When centromeres are separated
When cytokinesis begins
What is the role of the spindle fibers?
To join homologous chromosomes together
To store nucleotides prior to DNA synthesis
To initiate the formation of the nuclear membrane
To move chromosomes in the cell
All body cells, except the sperm and egg, are what type of cell?
Germ
Reproductive
Spindle
Somatic
During the stage of sex cell formation the stage that the number of chromosomes go from diploid to haploid?
Prophase I
Anaphase I
Prophase II
Anaphase II
When a gamete from the father fertilizes the gamete from the mother will produce what?
Zygote
Sperm
Egg
Oogenesis
Products of the light reaction of photosynthesis that provide energy to the Calvin cycle are:
ATP and NADPH
Water and oxygen
Oxygen and ATP
Oxygen and NADPH
The light dependent reaction of photosynthesis takes place:
in the stroma
in the cytoplasm
in the thylakoid
in the mitochondria
The dark reaction of photosynthesis take place:
in the stroma
in the cytoplasm
in the thylakoid
in the mitochondria
The products of photosynthesis that begin cellular respiration are…
ATP and water
Carbon dioxide and water
NADP and hydrogen
glucose and oxygen
The name of the process that takes place where organic compounds are broken down in the absence of oxygen is…
Respiration
Oxidation
Fermentation
All of the above
Cellular Respiration takes place in stages, what is the correct order?
Glycolysis and fermentation
Stage 1 and 2 of photosynthesis
Glycolysis, Krebs cycle and electron transport chain
Krebs cycle, electron transport chain, glycolysis
The overall number of ATP that are produced in cellular respiration is…
32
34
36
38
What step of the cellular respiration produces the highest number of ATP?
Glycolysis
Krebs cycle
Electron Transport Chain
Calvin Cycle
Anaerobic respiration includes all the following except:
Glycolysis
Lactic acid fermentation
alcoholic fermentation
Electron transport chain
For each molecule of glucose entering glycolysis, there is a net gain of?
6 ATP
3 ATP
4 ATP
2 ATP
