Collar cells are found in

Related MCQs

• Several statements are given here in reference to cone cells which of the following option indicates all correct statements for cone cells ? Statements (i) cone cells are less sensitive than Rod cells (ii) They are responsible for colour vision (iii) Erythrolobe is photopigment which is sensitive to red colour light (iv) They are absent in fovea of retina
• Which option is correct for endemism.. 1. Any group which can be found in small region. 2. Any group which can be found in large region. 3. Group of species which can be found in definite region. 4. Any group which can be not found anywhere else. 5. Endemic species which can be found everywhere.
• Four healthy people in their twenties got involved in injuries resulting in damage and death of a few cells of the following . Which of the cells are least likely to be replaced by new cells ?(C.B.S.E 2005)
• Assertion (A) : Phase of cell division is also known as dividing phase. Reason (R) : In mitotic phase new cells are produced from pre-existing cells through meiosis division.
• What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its root tip cells ?
• Who proposed that new cells arise through cell division of pre-existing cells.
• Heat killed pathogenic cells and live non pathogenic cells are mixed and injected into Mice The result would be (Kerala - 2001)
• What is true for the following statements ? Statement X : Marine fishes have chlorine secretory cells. while riverine fishes have chlorine cells. Statement Y : Compared to marine water, fluid present in fish is hypotonic while reverine water is hypertonic compared to fluid present in fish. X Y X Y
• Stomatal aperature is surrounded by guard cells and opens when guard cells are
• Guard cells differ from epidermal cells in having. (CPMT 1993, CBSE 2011)