Advertisements
Advertisements
प्रश्न
Which of these options are not a function of Ribosomes?
- It helps in manufacture of protein molecules
- It helps in manufacture of enzymes
- It helps in manufacture of hormones
- It helps in manufacture of starch molecules
पर्याय
(i) and (ii)
(ii) and (iii)
(iii) and (iv)
(iv) and (i)
उत्तर
(iii) and (iv)
Explanation -
Ribosomes are dense, spherical, and granular particles that remain freely in the matrix or remain attached to the endoplasmic reticulum. They are not bound by a membrane and are present in both prokaryotic and eukaryotic cells. They play important role in the synthesis of proteins. All enzymes are proteins but all hormones are not proteins
APPEARS IN
संबंधित प्रश्न
Indicate whether the following statements are True (T) or False (F).
Muscle cells are branched. (T / F)
Growth of cell wall during cell elongation take place by ______.
______ cells are specialised cells that can be transformed into any kind of cells.
All the cells can be seen with our naked eye.
Analogy:
Smallest cell: virus.
Biggest cell: ______.
Cell theory was given by
Name the organelles which show the analogy written as under
Power house of the cell——
Match the terms given in column I with their functions given in column II and fill the blanks given below the table :
| Column I | Column II |
| A. Chloroplast | i) carries hereditary characters |
| B. Cell membrane | ii) controls the activities of cells |
| C. Nucleus | iii) site of photosynthesis |
| D. Chromosome | iv) controls the movement of materials into and out of cells. |
A - ______ ; B - ______ ; C - ______ ; D - ______
Fill in the blanks with the terms given in the box below :
| Nucleus | chromosomes | cell wall | cell membrane | protoplasm | cytoplasm | ribosome | cell organelles |
The outermost layer of plant cells is the __(a)____ beneath which is the __(b)____ The term ___(c)___ refers to the jelly-like substance containing all the ___(d)___ The __(e)____ contains thread-like structures called ___(f)___.
Name the following:
A pigment which is not found in plastids.
