Q1. Golgi complex and endoplasmic reticulum cannot be seen during

• A) late telophase
• B) late prophase
• C) early anaphase
• D) late metaphase

Q2. Cell plate grows from

• A) walls to the centre
• B) centre to the walls
• C) in patches
• D) simultaneously

Q3. Choose the correct sequence. A. Chromatin condensation B. Protein synthesis C. Duplication of centrioles D. Centrioles moves towards opposite poles

• A) C, A, B, D
• B) C, B, A, D
• C) C, D, B, A
• D) A, C, D, B

Q4. 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

• A) Prophase
• B) Anaphase
• C) Telophase
• D) Metaphase

Q5. Karyokinesis is the term used for

• A) division of cytoplasm
• B) division of nucleoplasm
• C) division of nucleus
• D) separation of daughter chromosomes

Q6. During which stage the chromosomes first become visible

• A) Anaphase
• B) Metaphase
• C) Prophase
• D) Telophase

Q7. In mitosis, nuclear envelope and nucleolus disappear during

• A) Metaphase
• B) Interphase
• C) Prophase
• D) Telophase

Q8. Arrange the following events of meiosis in the correct sequence: I. Terminalization II. Crossing over III. Synapsis IV. Disjunction of genomes The correct sequences

• A) II, I, IV, III
• B) III, II, I, IV
• C) IV, III, II, I
• D) I, IV, III, II

Q9. The major event that occurs during the anaphase of mitosis, which brings about the equal distribution of chromosomes, is

• A) splitting of the centromeres
• B) splitting of the chromatids
• C) replication of the genetic material
• D) condensation of the chromatin

Q10. what type of plant is formed when colchicine is used in the process of development of Raphanobrassica?

• A) Autotetraploid
• B) Haploid
• C) Triploid
• D) Allotetraploid

Q11. Meiosis occurs for the human female in ______.

• A) Pancreas
• B) Liver
• C) Ovary
• D) Kidney

Q12. Choose the correct sequence. A. Pachytene B. Zygotene C. Leptotene D. Diakinesis E. Diplotene

• A) C, B, A, D, E
• B) C, A, B, E, D
• C) C, B, A, E, D
• D) D, B, C, E, A

Q13. How many chromosomes are there in onion root tip cell?

• A) 6
• B) 16
• C) 26
• D) 36

Q14. Lampbrush chromosomes are observed in

• A) Mitotic prophase
• B) Mitotic metaphase
• C) Meiotic metaphase
• D) Meiotic prophase

Q15. Which of the following cellular structures always disappears during mitosis and meiosis?

• A) Plasma membrane
• B) Nucleolus and nuclear envelope
• C) Plastids
• D) none of these

Q16. Centromere is a constituent of

• A) Ribosome
• B) ER
• C) Chromosome
• D) Mitochondrion

Q17. In which phase of cell cycle, proteins are synthesised?

• A) G0
• B) G1
• C) G2
• D) S

Q18.

• A) Early prophase
• B) Early metaphase
• C) Early telophase
• D) Early anaphase

Q19. The stage in which daughter chromosomes move toward the poles of the spindle is

• A) Anaphase
• B) Metaphase
• C) Prophase
• D) Telophase

Q20. Synaptonemal complex dissolves in _____ stage.

• A) Zygotene
• B) Pachytene
• C) Diakinesis
• D) Diplotene

Q21. Synapsis occurs between

• A) A male and female gametes
• B) Ribosome and m-RNA
• C) Spindle fibres and centromeres
• D) Two homologous chromosomes

Q22. Division of nucleus without being followed by cytokinesis results into

• A) Phargmoplast
• B) Polyploidy
• C) Uninucleate condition
• D) Multinucleate condition

Q23. A cell plate is laid down during

• A) Cytokinesis
• B) Interphase
• C) Karyokinesis
• D) None of these

Q24. Crossing over results the exchange of genetic material, which occurs between

• A) Non-sister chromosomes
• B) Sister chromatids
• C) Non-homologous chromosome
• D) Homologous chromosomes

Q25. The number of chromosome and the amount of DNA are changed in

• A) Metaphase and M phase
• B) Anaphase and S phase
• C) Interphase and S phase
• D) None of these