Mitochondria

Q.

Why are mitochondria called the powerhouse of cells?

Q. Why mitochondria is said to be power house of the cell?

Q. Assertion: Mitochondria and chloroplast are semi-autonomous cells organelles.
Reason: Mitochondria and chloroplast have their own DNA and protein synthesizing machinery.

1. Both A and R are true but R is not the correct explanation of A.
2. A is false but R is true.
3. Both A and R are true and R is the correct explanation of A.
4. A is true but R is false.

Q. What is the meaning of Semi - autonomous?

Q.

Why do animal cells contain more mitochondria than plant cells?

Q. What is the function of ATP?

Q.

Explain the function of mitochondria in a cell.

Q.

The organelles which provide energy for all the activities of a cell are:

1. Mitochondria

2. Golgi bodies

3. Chloroplasts

4. Ribosomes

Q. Why mitochondria is said to be power house of the cell?

Q. Which is the power house of a cell?

Q.

What is mitochondria and what is its functions in plants and animals?

Q. I am a double-membraned cell organelle. I produce energy-rich molecules called ATP. I have my own genetic material. Who am I?

1. Cell membrane
2. Plastid
3. Nucleus
4. Mitochondrion

Q. Which part of a plant cell releases energy from food ?

Q.

Do Eukaryotic cells have Chloroplasts?

Q. Match Column - I with Column - II and select the correct answer using the codes given below the columns.

$\begin{array}{cc}Column-I\left(Organelles\right)& Column-II\left(Membranes\right)\\ A.Mitochondria& P.DeDuve\\ B.Golgi& Q.Camellogolgi\\ C.Nucleus& R.Benda\\ D.Lysosomes& S.RobertBrown\end{array}$

1. A - Q; B - R; C - S; D - A
2. A - R; B - Q; C - S; D - A
3. A - R; B - Q; C - S; D - P
4. A - R; B - Q; C - P; D - S

Q. Which part of a cell carries out respiration ?

Q.

What will happen if all the mitochondria of a cell are destroyed?

Q.

Write a short note on:
1. Mitochondria
2. Golgi apparatus [5 MARKS]

Q.

Whats inside a cell?

Q.

Which is the cell organelle that help to get energy from food ?

Q.

Do Mitochondria have DNA?

Q. Which of the following contain more mitochondria?

1. Dormant seeds
2. Dried sepals
3. Ripe fruits
4. Germinating seeds

Q. ATP is the energy currency of the cell.

1. True
2. False

Q. If this organelle is absent from the cell, it wont be able to produce the energy required for its functioning. Which is that organelle?

1. Vacuole
2. Mitochondria
3. Golgi apparatus
4. Centriole

Q.

Energy stored in mitochondria is in the form of

Q.

What is pie bond? Does ATP (Adenosine Triphosphate) structure contains it?

Q.

How many chromosomes are present in mitochondria?

Q.

Write a short note on:
1. Mitochondria
2. Golgi apparatus [5 MARKS]

Q. What would have happened? If there had been no difference between mitochondria and plastids.[Textbook Question 2b]

Q.

More number of mitochondria are found in actively dividing cells. Give reason.