NEET questions
18092 published questions with worked solutions.
- Identify the type of plant tissue being represented by the set of statements given below. I. Their cells are isodiametric (they...
- Xylem tissue is composed of
- Which of the above following are simple tissues? I. Parenchyma, II. Collenchyma, III. Sclerenchyma
- I. Made up of sclerenchymatous cells. II. Generally absent in primary phloem. III. Much elongated and pointed. Given above...
- I. Elongated or tube like cell with thick and lignified walls and tapering ends. II. These are dead and without the protoplasm....
- Among the following attributes of xylem, which are mainly mechanical in function?
- I. Long cylindrical tube like structure made up of many cells called vessel members, lignified cell wall and large central...
- Sclerenchyma mainly provides
- Gymnosperms lack which of the following structure?
- I. Phloem transports the food materials usually from the leaves to other parts of the plant. II. Phloem in the angiosperm is...
- Roots apical meristem occupies the …A… of roots, while shoot apical meristem occupies the distant most region of the …B… axis....
- The protoxylem and metaxylem in the stem lies towards
- Permanent or mature cells are formed by
- The …A… cells are specialised parenchymatous cells, which are closely associated with sieve tube elements. The sieve tube...
- Cells of collenchyma have thickened corners due to the deposition of
- Simple permanent living tissues which are made up of thin-walled similar isodiametric cells are called
- Simple tissues which occurs in layers below the epidermis in dicotyledonous plants are
- Which element of xylem is the characteristic feature of angiosperms?
- I. These tissue are found in layers or patches. II. It consists of cells which are thickened at the corners. III. It often...
- The first formed primary phloem is referred as …A… . The later formed primary phloem is referred as …B… . Choose the correct...