Lysosomes

Q.

Which enzyme is present in lysosomes?

Q. Choose the incorrect match.

1. Nucleus − RNA
2. Cytoskeleton − Microtubules
3. Lysosome − Protein synthesis
4. Mitochondria − Respiration

Q.

Excess salt inhibits growth of bacteria in pickles by:

1. endosmosis

2. exosmosis

3. oxidation

4. denaturation

Q.

Question 17

Mention a single membrane bound organelle which is rich in hydrolytic enzymes.

Q.

Why do lysosome enzymes not digest lysosomes?

Q. What type of enzymes is present in lysosomes?

1. Lyases
2. Oxidoreductases
3. Ligases
4. Hydrolases

Q. Lysosomes are known as suicidal bags of the cell? Why?

Q. Lysosomes originate from

1. Golgi apparatus
2. Plasmalemma
3. Both A and B
4. R.E.R

Q. Which among the following is incorrect with reference to lysosomes?

1. They contain acid hydrolases
2. They are autophagic
3. They can digest proteins, lipids but not carbohydrates
4. They are covered by a single membrane

Q. Which of the following organelles is contributed to the zygote by the sperm?

1. Mitochondria
2. Lysosomes
3. Centriole
4. Smooth endoplasmic reticulum

Q. In temperate region plants, the wood with fewer xylary elements and narrow vessels, is termed as

1. Heart wood
2. Spring wood
3. Sap wood
4. Autumn wood

Q.

Why lysosomes cannot be destroyed?

Q. Match the following and choose the correct option.

$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{A. Head}& \text{1. Enzymes}\\ \text{B. Middle Piece}& \text{2. Sperm motility}\\ \text{C. Acrosome}& \text{3. Energy}\\ \text{D. Tail}& \text{4. Genetic material}\end{array}$

1. $\begin{array}{cccc}A-2& B-4& C-1& D-3\end{array}$
2. $\begin{array}{cccc}A-4& B-3& C-1& D-2\end{array}$
3. $\begin{array}{cccc}A-4& B-1& C-2& D-3\end{array}$
4. $\begin{array}{cccc}A-2& B-1& C-3& D-4\end{array}$

Q. Purkinje coined the term protoplasm in

1. 1739
2. 1839
3. 1779
4. 1879.

Q. Match column 1 with column 2 and choose the correct option.
$\begin{array}{cc}\text{Column 1}& \text{Column 2}\\ \text{A. Acrosome}& \text{1. Antrum}\\ \text{B. Tertiary follicle}& \text{2. Zona pellucida}\\ \text{C. Middle piece}& \text{3. Enzymes}\\ \text{D. Secondary oocyte}& \text{4. Mitochondria}\end{array}$

1. A-2, B-4, C-1, D-3
2. A-3, B-2, C-4, D-1
3. A-3, B-1, C-4, D-2
4. A-4, B-3, C-1, D-2

Q.

Why would a cell self destruct?

Q. Lysosomes are called ‘suicide bags of cell’ because they have

1. hydrolytic enzymes
2. parasitic activity
3. food vacuole
4. anabolic enzymes

Q. Which of the following is devoid of DNA?

1. Mitochondria
2. Chloroplast
3. Nucleus
4. Lysosome

Q. In cell chapter we came across two things :
Who coined the term 'name'?
Who discovered it?
of any cell organelle.
Can you provide me all the name of discover of different organlle of cell and also who coined the name so that It become easy for me?

Q. Lysosomes are called ‘suicide bags of cell’ because they have

1. hydrolytic enzymes
2. parasitic activity
3. food vacuole
4. anabolic enzymes

Q. In which of the following events, lysosomal activity is absent?

1. Entry of the sperm cell into the Egg cell
2. Autolysis of cells in tadpole
3. Renewal of cells and organelles
4. Movement of the sperm cell toward the egg cell

Q. Which of the following correctly matches an organelle with its function?

1. Lysosome –movement
2. central vacuole –storage
3. Nucleus - cellular respiration
4. ribosome -manufacture of lipids

Q.

Acrosome is a type of

1. Lysosome

2. Flagellum

3. Ribosome

4. Basal body

Q. What is Photo oxidation? What prevents photo oxidation of chlorophyll a?

Q.

Which of these options are not a function of Ribosomes?

(i) It helps in the manufacture of protein molecules.

(ii) It helps in the manufacture of enzymes.

(iii) It helps in the manufacture of hormones.

(iv) It helps in the manufacture of starch molecules.

1. (i) and (ii)

2. (ii) and (iii)

3. (iii) and (iv)

4. (iv) and (i)

Q. In meromyosin, the part that plays the role of ATPase is

1. LMM
2. tail
3. globular head
4. HMM

Q. Which of the following breaks down macromolecules in the cell?

1. Golgi complex
2. ER
3. Lysosomes
4. Ribosomes

Q.

How Are Lysosomes Related to Golgi?

Q. Degradation of $H_2{O}_2$ takes place in

1. Peroxisome
2. chloroplast
3. Vacuole
4. Lysosome

Q.

Which of the following organelles act as a digestive system within the cells?

1. Golgi bodies

2. Centrosomes

3. Lysosomes

4. Mitochondria