Anatomy of Plants
This test is standardised achievment test in Biology suitable for the students of icse and all other boards of class 7 and also useful for the students of different competitions and olympiads.
Questions
Which of the following tissues is composed of cells with primary walls thickened at the corners that provide support for immature parts of the cell body?
- Xylem
- Phloem
- Collenchyma
- Sclerenchyma
- Parenchyma
For a critical study of secondary growth in plants, which of the following plants is suitable?
- Sugarcane
- Fern
- Teak
- Wheat
- Coconut
Anatomically, jute fibres are ____________________.
- xylem fibres
- bast fibres
- rayon fibres
- pith fibres
- cortical fibres
Which one of the following is an embryonic tissue type found at the apex of roots and shoots?
- Apical meristem
- Lateral meristem
- Ground tissue
- Parenchyma tissue
- Vascular tissue
Which of the following is a primary meristem?
- Intercalary meristem
- Vascular cambium
- Cork cambium
- Lateral meristem
- Arenchyma
Companion cells are found in
- xylem
- phloem
- both xylem and phloem
- parenchyma
- collenchyma
Which is correct about transport of conduction of substances?
- Organic food moves up through phloem and down by xylem.
- Organic food moves up through xylem.
- Inorganic food moves upward and downward through xylem.
- Organic food moves upward and downward through phloem.
- Both inorganic and organic food moves upward through phloem.
In which of the following types of tissue does the inner wall of cell show the deposition of pectin?
- Chlorenchyma tissue
- Parenchyma tissue
- Sclerenchyma tissue
- Collenchyma tissue
- Meristematic tissue
The term parenchyma was given by
- Mattenius
- Schleiden
- N. Grew
- Nageli
- M. Malpighi
Which of the following cells consist of an organised and differentiated cellular structure having cytoplasm without any nucleus at maturity?
- Phloem parenchyma
- Xylem parenchyma
- Tracheids
- Sieve tubes
- Companion cells
Which of the following plant cells show totipotency?
- Cork cells
- Bast fibres
- Sieve tubes
- Xylem vessels
- Meristem
Which of the following cells are present in angiosperms, but absent in pteridophytes and gymnosperms?
- Tracheids
- Sieve tubes
- Companion cells
- Phloem fibres
- Xylem parenchyma
Which of the following parenchyma cells protect plants from infection and drying out?
- Palisade parenchyma
- Spongy parenchyma
- Secretory parenchyma
- Epidermal parenchyma
- Storage parenchyma
Dalchini is obtained from the bark of
- Acacia
- Betula
- Cinnamon
- Salix
- Chinchona
Many chloroplasts are found in
- palisade tissue
- spongy tissue
- sclereids
- xylem
- phloem
Which of the following is not true about ‘sclereids’?
- These are groups of living cells.
- These are found in nut shells, guava pulp and pear.
- These are also called stone cells.
- These are form of sclerenchyma with fibres.
- These provide protection/support.
Axillary bud and terminal buds are derived from the activity of which of the following?
- Apical meristem
- Lateral meristem
- Both apical and lateral meristem
- Intercalary meristem
- Parenchyma
Which of the following statements is not true about the primary plant growth?
- Only woody plants show primary growth.
- Primary growth increases the length of the plant.
- The ground meristem is a primary meristem that produces ground tissues.
- The procambium is a primary meristem that produces primary vascular tissues.
- The protoderm is a primary meristem that produces the more mature dermal tissue.
Which of the following groups of tissues was discovered by Nageli (1858)?
- Both simple permanent and complex permanent tissues
- Meristems and simple permanent tissues
- Meristems and complex permanent tissues
- Only meristems
- Simple permanent tissues
Which one of the following cells is more efficient in conducting water than others?
- Sieve tube element
- Companion cell
- Tracheid
- Sclereid
- Vessel element