Cell Structure and Organelles MCQs Quiz 14

1. Telocentric chromosomes are _______ in humans

 Rare

 Highly abundant

 Common

 Absent

2. Chromosomes lacking a centromere are called _______

 Polycentric chromosomes

 Acentric chromosomes

 Telocentric chromosomes

 Metacentric chromosomes

3. Which plastid contains chlorophyll?

 Leucoplast

 Amyloplast

 Chloroplast

 Chromoplast

4. The conversion of chloroplasts into chromoplasts occurs during _______

 Cell division

 Leaf fall

 Seed germination

 Fruit ripening

5. Telocentric chromosomes have _______

 No centromere

 Two centromeres

 Terminal centromere

 Central centromere

6. Telomere shortening occurs mainly due to _______________

 Excess ATP production

 Incomplete replication of chromosome ends

 RNA instability

 Protein degradation

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

 Granum

 Thylakoid

 Cytoplasm

 Stroma

8. 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

9. Fusion of autophagosomes with lysosomes is mediated by _____________

 Polymerases

 SNARE proteins

 DNA ligases

 ATP synthase

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

 Telophase

 Metaphase

 Anaphase

 Prophase

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Cell Structure and Organelles MCQs Quiz 14

Cell Biology Multiple Choice Questions