Write one function each of ribosome and lysosome.
WBBSE
Class X
Life Science
02 (a) Cell Division and Cell Cycle
02 Mark
2022
- Ribosome – helps in protein synthesis.
- Lysosome – helps in intracellular digestion of worn-out organelles.
Explanation: Ribosomes produce proteins necessary for cell growth and repair. Lysosomes contain enzymes to break down waste materials, dead cells, and foreign particles.
Related Questions
More WBBSE Easy level questions
1/12
Q.
Which cell organelle is termed as “power house” of cell?
A.
Mitochondria is termed as the power house of the cell because it...
Q.
Write the functions of each of the following parts of a neurone : (a) Dendron...
A.
Functions of Parts of a Neurone Part Function Dendron Receives impulses from...
Q.
Draw a scientific diagram of a neurone and label the following parts
A.
Or
Q.
In which phase of Interphase are the proteins essential for the formation of spindle fibres...
A.
G₂ phase Explanation: During the G₂ phase of Interphase, the cell prepares...
Q.
What happens if the functions of checkpoints in the cell cycle get hampered?
A.
Cell division becomes uncontrolled which may lead to cancer. Explanation: Checkpoints in...
Q.
A pair of related terms is given below. On the basis of the relationship in...
A.
Thymine Explanation: Adenine is a purine base, while thymine is a pyrimidine...
Q.
State True or False: Each nucleoside contains a nitrogenous base and phosphoric acid.
A.
False Explanation: A nucleoside is composed of a nitrogenous base and a...
Q.
Select the correct pair in the case of humans: (a) Normal pattern of chromosome of...
A.
(c) Normal pattern of chromosome of ovum — 22A + X Explanation...
Q.
The name of the terminal parts of the Chromosome is — (a) Centromere (b) Telomere...
A.
(b) Telomere Explanation The telomere is the terminal part or end of...
Q.
Select the correct pair — (a) Telophase — Movement of daughter chromosomes towards poles (b)...
A.
(d) Telophase — Reappearance of Nuclear Membrane and Nucleolus Explanation During telophase,...
Q.
Write one function each of chromoplast and Golgi apparatus.
A.
Chromoplast – provides color to fruits and flowers. Golgi apparatus – helps...
Q.
Write one function each of mitochondria and centrosome.
A.
Mitochondria: Generates energy in the form of ATP. Centrosome: Helps in the...