Mitochondria

Q.

Name two organelles that contains their own genetic material.

Q.

Why plastids are absent in animal cells?

Q.

Which of the following organelles have its own DNA?

1. Mitochondria

2. Golgi complex

3. Endoplasmic reticulum

4. Ribosomes

Q.

Puzzle time fill in the blanks with parts of the body to complete the phrases. For eg. _______ bowl will be finger bowl 1. ________ beans 2. ________ biting finish 3. ________ the line 4. ________ opener 5. ________ dive 6. ________ twister 7. water ________ nut 8. ________ watch 9. cut _____ competition 10. bottle _______ 11. stiff upper_______ 12. _______ dancer 13. _______ stool 14. _______ leather 15. _______ chair 16. _______ room 17. ______ & ______ above d others 18. _______some 19. shake a _____ 20. aqua _____

Q.

Are prokaryotes older than the eukaryotes?

Q.

Where do protons accumulate in the mitochondria?

Q. The organelle that takes in nutrients breaks them down and creates energy rich molecules for the cell is:

1. Endoplasmic reticulum
2. Chloroplast
3. Mitochondrion
4. Lysosome

Q.

What type of cell is mitochondria?

Q.

Do all eukaryotes have mitochondria?

Q. Which cell organelle is responsible for the production of energy in the form of ATP?

1. Lysosome
2. Ribosome
3. Plastid
4. Mitochondria

Q.

Which organelle is called the 'powerhouse of the cell'?

1. Golgi apparatus

2. Mitochondrion

3. Endoplasmic reticulum

4. Nucleus

Q.

What is ATP?

Q.

Which of these is not present in an animal cell?

1. Mitochondria

2. Nucleus

3. Cell membrane

4. Plastids

Q.

Cells that have a high energy requirement generally have many

1. ribosomes

2. nucleus

3. mitochondria

4. chloroplast

Q.

How many ATP do we get per glucose in cellular respiration?

Q. Which of the following organelles is/are semiautonomous?
(i) Mitochondria
(ii) Ribosomes
(iii) Chloroplasts
(iv) Lysosomes

1. (i) and (ii)
2. Only (i)
3. (i) and (iii)
4. Only (iv)

Q.

Why do diatoms form chains?

Q.

Q.

What type of protein is cytochrome c oxidase?

Q. What is mitotic apparatus?

Q. Bacterial cell wall is composed of

1. Lipid
2. Cellulose
3. Chitin
4. Mucopeptide$/$ Peptidoglycan

Q.

Where does oxidative phosphorylation of ADP occur?

Q.

Name the cell organelle also called the "powerhouse of a cell".

Q.

Which two organelles are semi-autonomous?

Q. Identify a cell organelle that is non-membranous.

1. Ribosomes
2. Mitochondria
3. Chloroplast
4. Golgi body

Q. Which organelle is called the "Power house of the cell"?

1. Golgi apparatus

2. Mitochondria
3. Endoplasmic reticulum
4. Nucleus

Q.

The cell organelle in animals which contains its own DNA, other than the nucleus is __

Q.

Which of the following characteristics make mitochondria and chloroplast semiautonomous (semi-independent) organelles?

1. They oxidise carbohydrates and fatty acids

2. They have their own DNA and ribosomes

3. They capture sunlight to synthesise food

4. They provide energy to the cell

Q. Does bacteria has atp synthesizing machinery

Q. What is ATP? Why it is called energy currency of the cell?