WorksheetsGED Science Cell Cycle
Total questions: 18
Worksheet time: 16mins
Q1. Asexual reproduction occurs through _____.
mitosis
replication
meiosis
cytokinesis
Q2. Humans possess 23 chromosomes in their gametes; how many chromosomes are in the somatic cells of humans?
11
69
23
46
Q3. The process in which the cytoplasmic content of the cell is divided into two new daughter cells is called _____.
meiosis
cytokinesis
replication
mitosis
Q4. A haploid cell (n = 8) undergoes mitosis. How many chromosomes will be in the daughter cells?
8
16
2
4
Q5. Which of the following events occurs during the metaphase of mitosis?
Chromosomes begin to segregate and the enzyme separase cleaves the centromere
Chromosomes move to the middle of the cell, attached to microtubules.
The chromosomes condense and the centrosomes move to opposite sides of the cell.
The nuclear membrane reforms around the chromosomes.
Q6. In somatic cell cycle, DNA synthesis takes place
G1 phase
G2 Prophase
S phase
Prophase of mitosis
Q7. In Somatic cell cycle
In G1 phase DNA content is double the amount of DNA present in the origin cell
G2 phase follows mitotic phase
a short phase followed b along mitotic phase
DNA replication takes place in S phase
Q8. Micro-tubule is involved in
Cell division
DNA recognition
Muscle Contraction
Membrane Contraction
Q9. Mitotic spindle is mainly composed of which protein?
Actin
Myosin
Myoglobin
Actomyosin
Q10. At which stage of cell cycle are histone proteins synthesized in eukaryotic cell?
During Telophase
During S phase
During G2 stage of prophase
During entire prophase
Q11. Best material for study mitosis in a lab is
Anther
Root tip
Leaf Tip
Ovary
Q12. Cell plate formation is present in
Bacterial Cell
Viruses
Animal Cell
Plant Cell
Q13. Which typical stage is known for DNA replication?
S-phase
G1 Phase
G2 Phase
Metaphase
Q14. A cell divides every 1 minute.At this rate of division it can fill a 100 ml of beaker in one hour.How much time will it take to fill 50 ml beaker?
29 minutes
30 minutes
59 minutes
60 minutes
Q15. Which of the following show the best stage to view the shape , size and number of chromosomes?
Inter phase
Prophase
Metaphase
Telophase
Q16. if you are provided with root tips of onion in your class and are asked to count the chromosomes, which of the following stages can you most conveniently look into?
Prophase
Metaphase
Telophase
Anaphase
Q17. How many mitotic divisions needed for a single cell to make 128 cells?
7
14
28
32
Q18. DNA is copied during which phase of the cell cycle?
G1
S
Mitosis
G2
Cytokinesis
