Similarities between Mitochondria and Chloroplasts

Q.

Why do plant cells need both chloroplasts and mitochondria?

Q.

Mention the similarities and differences between mitochondria and plastid

Q.

Select the wrong statement from the following:

1. Both chloroplast and mitochondria contain an inner and an outer membrane.

2. Both chloroplasts and mitochondria have an internal compartment, the thylakoid space bounded by the thylakoid membrane.

3. Both chloroplasts and mitochondria contain DNA

4. The chloroplasts are generally much larger than mitochondria.

Q.

Which of the following statement is true regarding mitochondria and chloroplast?

1. Some cells produce chloroplasts

2. Mitochondria and chloroplasts maybe found in the same cell

3. Mitochondria and chloroplasts are not found in the same cell

4. Chloroplasts can revert to mitochondria in certain conditions.

Q.

Are cristae found in mitochondria?

Q.

Differentiate between mitochondria and chloroplast.

Q. Read the statements given and choose the right option.
Statement 1: In eukaryotes, transcription occurs in the nucleus.
Statement 2: In bacteria, transcription occurs in the cytoplasm.

1. Both statements 1 and 2 are correct
2. Both statements 1 and 2 are incorrect
3. Statement 1 is correct and statement 2 is incorrect
4. Statement 1 is incorrect and statement 2 is correct

Q. Which of the following diagram represents ATP synthesis in mitochondria by chemiosmotic hypothesis?
IM = Inner membrane
M = Matrix
OC = Outer Chamber

1. 
2. 
3. 
4. 

Q. Chloroplasts are very similar to mitochondria in having

1. circular DNA
2. 70S ribosome
3. all of the above
4. double layered membrane

Q.

Question 32

Is extragenomic DNA present in prokaryotes and eukaryotes? If yes, indicate their location in both the types of organisms.

Q. The inner membrane of mitochondrion is highly convoluted forming a series of infoldings known as ______.

1. lamellae
2. cristae
3. grana
4. thylakoids

Q.

What do mitochondria do in plants?

Q.

Which of the following statements is not true –

1. Both mitochondria and chloroplasts provide energy to cells in the same way.

2. Both mitochondria and chloroplasts have more than one membrane.

3. Only chloroplasts contain the pigment chlorophyll.

4. Both animal and plant cells contain mitochondria.

Q.

Which of the following statements is not true:

1. Both mitochondria and chloroplasts provide energy to cells in the same way.

2. Both mitochondria and chloroplasts have more than one membrane.

3. Only chloroplasts contain the pigment chlorophyll

4. Both animal and plant cells contain mitochondria.

Q. What would have happened if RBC has mitochondria?

Q. Mitochondria and chloroplast are;

1. Semi-autonomous organelles
2. Formed by division of pre-existing organelles and they contain DNA but lack protein synthesizing machinery
3. Extranuclear
   
4. Both A and B
   

Q. The convoluted structure formed by the inner membrane of mitochondria is called .

1. thylakoid
2. grana
3. cristae
4. stroma

Q. Synthesis of A.T.P in mitochondria takes place

1. In the matrix
2. in the inter membrane space
3. None of the above
4. At the cristae

Q. Chloroplasts are very similar to mitochondria in having

1. double layered membrane
2. circular DNA
3. 70S ribosome
4. all of the above

Q. Cell respiration is carried out by ________.

1. Ribosome
2. Mitochondria
3. Chloroplast
4. Golgi bodies

Q. Why do we believe chloroplast and mitochondria to be semi-autonomous organelle ?

Q. What is the difference between mitochondria and plastids?

Q. Which of the following is not a technique for introducing recombinant DNA into host cells?

1. Microinjection
2. Infection by Agrobacterium
3. Electrophoresis
4. Infection by bacteriophage

Q. Which statement is correct for bacterial transduction?

1. Transfer of some genes from one bacteria to another bacteria through virus
2. Transfer of genes from one bacteria to another bacteria by conjugation
3. Bacteria obtained its DNA directly
4. Bacteria obtained DNA from other external source

Q.

Can you name the two organelles we have studied that contain their own genetic material?

Q. Assertion: DNA found in mitochondria and chloroplast are called prochromosome.
Reason: They are similar to prokaryotic chromosome.

1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
3. If both the assertion and reason are false
4. If the assertion is true but the reason is false
5. If the assertion is false but reason is true

Q. what does this statement mean: " in prokaryotic cells, in addition to genomic DNA (the single chromosome/circular DNA) many bacteria have small circular DNA outside the genomic DNA". Also, what is this genomic DNA, circular DNA and small circular DNA, single chromosome(does it mean that it has only 1 chromosome?)

Q. The convoluted structure formed by the inner membrane of mitochondria is called .

1. thylakoid
2. grana
3. cristae
4. stroma

Q. Respiratory enzymes of aerobic bacteria are mainly located in

1. Mitochondria
2. Chondrioids
3. Phagosomes
4. Sphaerosomes
5. Polysomes

Q. Which of the following is not a feature of plasmids?

1. Independent replication
2. Circular structure
3. Transferable
4. Single-stranded