Cell Structure and Organelles MCQs Quiz 14

1. The conversion of chloroplasts into chromoplasts occurs during _______

 Seed germination

 Leaf fall

 Fruit ripening

 Cell division

2. Telomere shortening occurs mainly due to _______________

 Incomplete replication of chromosome ends

 RNA instability

 Protein degradation

 Excess ATP production

3. Chromatid separation,  is a key event that occurs during _______ of meiosis or mitosis

 Metaphase

 Prophase

 Anaphase

 Telophase

4. Telomeres are best described as ______________

 Short, repetitive DNA sequences at the ends of linear chromosomes

 RNA sequences in the nucleus

 Protein-only structures at chromosome ends

 Random DNA segments in the cytoplasm

5. Fusion of autophagosomes with lysosomes is mediated by _____________

 DNA ligases

 SNARE proteins

 ATP synthase

 Polymerases

6. Chromosomes lacking a centromere are called _______

 Metacentric chromosomes

 Acentric chromosomes

 Polycentric chromosomes

 Telocentric chromosomes

7. Telocentric chromosomes have _______

 Two centromeres

 Central centromere

 Terminal centromere

 No centromere

8. The dark reaction (Calvin cycle) occurs in _______ of the chloroplast

 Stroma

 Cytoplasm

 Thylakoid

 Granum

9. Which plastid contains chlorophyll?

 Chloroplast

 Chromoplast

 Leucoplast

 Amyloplast

10. Telocentric chromosomes are _______ in humans

 Rare

 Common

 Highly abundant

 Absent

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Cell Structure and Organelles MCQs Quiz 14

Cell Biology Multiple Choice Questions