Cell Structure and Organelles MCQs Quiz 14

1. Telocentric chromosomes are _______ in humans

 Rare

 Highly abundant

 Absent

 Common

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

 Anaphase

 Prophase

 Metaphase

 Telophase

3. Telomeres are best described as ______________

 RNA sequences in the nucleus

 Protein-only structures at chromosome ends

 Short, repetitive DNA sequences at the ends of linear chromosomes

 Random DNA segments in the cytoplasm

4. Telomere shortening occurs mainly due to _______________

 Excess ATP production

 Protein degradation

 Incomplete replication of chromosome ends

 RNA instability

5. Chromosomes lacking a centromere are called _______

 Acentric chromosomes

 Polycentric chromosomes

 Metacentric chromosomes

 Telocentric chromosomes

6. Fusion of autophagosomes with lysosomes is mediated by _____________

 SNARE proteins

 DNA ligases

 ATP synthase

 Polymerases

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

 Stroma

 Thylakoid

 Cytoplasm

 Granum

8. Which plastid contains chlorophyll?

 Leucoplast

 Chromoplast

 Chloroplast

 Amyloplast

9. Telocentric chromosomes have _______

 Central centromere

 Terminal centromere

 Two centromeres

 No centromere

10. The conversion of chloroplasts into chromoplasts occurs during _______

 Cell division

 Leaf fall

 Seed germination

 Fruit ripening

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Cell Structure and Organelles MCQs Quiz 14

Cell Biology Multiple Choice Questions