Home Quiz Have an Interesting Quiz on "Chloroplast DNA"
Preview (10 questions)
1 Question
30 seconds
Q.


In which year was the presence of chloroplast DNA confirmed by electron microscopy?



1959

1962

1986

1990
2 Question
30 seconds
Q.


What role do chloroplast ribosomes play?



They aid in chlorophyll production.

They assist in cellular respiration.

They store starches.

They perform protein synthesis
3 Question
30 seconds
Q.


Which two species had their complete chloroplast genome sequences published in 1986?



Nicotiana tabacum and Marchantia polymorpha

Arabidopsis thaliana and Zea mays

Pisum sativum and Solanum lycopersicum

Oryza sativa and Musa acuminata
4 Question
30 seconds
Q.

 

What is the typical length range of chloroplast DNA?



30,000–60,000 base pairs

60,000–100,000 base pairs

120,000–170,000 base pairs

200,000–250,000 base pairs
5 Question
30 seconds
Q.


How is chloroplast DNA typically organized in most chloroplasts?



In multiple small plasmids

In a single large ring

As linear strands

As a network of interconnected circles
6 Question
30 seconds
Q.


How many genes are encoded by the chloroplast genome in most plant species?





50 genes

80 genes

120 genes

200 genes
7 Question
30 seconds
Q.


What role does the histone-like chloroplast protein (HC) play in red algae?



It assists in photosynthesis

It transports chloroplast DNA to other organelles

It helps in the replication of chloroplast DNA

It tightly packs each chloroplast DNA ring into a nuclei
8 Question
30 seconds
Q.


What are nucleoids in chloroplasts?



Membrane-bound organelles where chlorophyll is synthesized

Regions that contain several identical chloroplast DNA rings

Sites of photosynthesis within the chloroplast

Small ribosomal complexes within the chloroplast
9 Question
30 seconds
Q.


What happens to the number of chloroplast DNA copies as leaves age?



The number decreases to 15–20 copies

The number remains constant

The number increases

The number fluctuates unpredictably
10 Question
30 seconds
Q.


How many copies of chloroplast DNA are typically found in young leaves?



5–10 copies

15–20 copies

Around 100 copies

200–300 copies