Cell Structure and Organelles MCQs Quiz 14

1. The conversion of chloroplasts into chromoplasts occurs during _______

 Cell division

 Seed germination

 Fruit ripening

 Leaf fall

2. Fusion of autophagosomes with lysosomes is mediated by _____________

 Polymerases

 DNA ligases

 ATP synthase

 SNARE proteins

3. Telomere shortening occurs mainly due to _______________

 Protein degradation

 RNA instability

 Incomplete replication of chromosome ends

 Excess ATP production

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

 Stroma

 Granum

 Cytoplasm

 Thylakoid

5. Telocentric chromosomes have _______

 Two centromeres

 Terminal centromere

 No centromere

 Central centromere

6. Chromosomes lacking a centromere are called _______

 Polycentric chromosomes

 Acentric chromosomes

 Metacentric chromosomes

 Telocentric chromosomes

7. Which plastid contains chlorophyll?

 Chloroplast

 Amyloplast

 Chromoplast

 Leucoplast

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

 Anaphase

 Prophase

 Telophase

 Metaphase

9. Telocentric chromosomes are _______ in humans

 Rare

 Highly abundant

 Absent

 Common

10. Telomeres are best described as ______________

 Protein-only structures at chromosome ends

 RNA sequences in the nucleus

 Short, repetitive DNA sequences at the ends of linear chromosomes

 Random DNA segments in the cytoplasm

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Cell Structure and Organelles MCQs Quiz 14

Cell Biology Multiple Choice Questions