Read the following statements regarding meristematic cells and select the correct ones. (i) Cells possess the ability to grow and divide. (ii) Cells have dense cytoplasm with prominent nucleus. (iii) Well developed ER and mitochondria are present.
Meristematic cells which are also known as undifferentiated cells are found in plants where growth take place and are capable of continued cell division.
These cells are small and have a dense protoplasm and a prominent nucleus.
The vacuoles are extremely small and the cytoplasm contains proplastids and immature mitochondria.
So, the correct answer is 'i) and ii)'.
Mention the ploidy of the following: 1. Protonemal cell of a moss, 2. Primary endosperm nucleus in dicot, 3. Leaf cell of a moss, 4. Prothallus cell of a fern, 5. Gemma cell in Marchantia, 6. Meristem cell of a monocot, 7. Ovum of a liverwort, 8. Zygote of a fern.
Meristematic tissues are composed of
Select the correct option: The growth of roots and stems in length with the help of apical meristem is called
Select the correct option: Which one of the following is not a characteristic of meristematic cells?
Meristematic cells are characterized by
In virus-infected plants the meristematic tissues in both apical and axillary buds are free of virus because
A nail is inserted in the trunk of a tree at a height of 1 metre from the ground level. After 3 years the nail will:
Give reasons for Meristematic cells have a prominent nucleus and dense cytoplasm but they lack vacuole.
Which of the following statements is not related to meristematic tissue?
In virus-infected plants the meristematic tissues in both apical and axillary buds are free of virus because