Structure of Microsporangium
Trending Questions
Transmission tissue is the characteristic feature of
Wet stigma
Dry stigma
Solid style
Hollow style
Identify the parts labelled in the given transverse section of anther.
(i) - Epidermis, (ii) - Endothecium, (iii) - Middle layers, (iv) - Tapetum
(i) -Tapetum, (ii) - Middle layers, (iii) - Endothecium, (iv) - Epidermis
(i) - Endothecium, (ii) - Epidermis, (iii) - Middle layers, (iv) - Tapetum
(i) - Epidermis, (ii) - Tapetum, (iii) - Middle layers, (iv) - Endothecium
The position of tapetum in the anther wall is
Inner to middle layers
Inner to epidermis
Inner to endothecium
Outer to middle layers
Match the following.
Column−IColumn−II(i). Epidermis(a). Nutritive layer(ii). Endothecium(b). Dehiscence of anther(iii). Tapetum(c). Protective layer(iv). Middle layers(d). Short−lived layer(i) - (c), (ii) - (b), (iii) - (d), (iv) - (a)
(i) - (a), (ii) - (b), (iii) - (c), (iv) - (d)
(i) - (c), (ii) - (b), (iii) - (a), (iv) - (d)
(i) - (d), (ii) -(c), (iii) - (b), (iv) - (a)
Which of the following anther wall layers is short-lived?
Epidermis
Tapetum
Middle fibrous layers
Endothecium
Which one of the following statements is correct?
Hard outer layer of pollen is called intine
Sporogenous tissue is haploid
Tapetum nourishes the developing pollen
Endothecium produces the microspores
- Chemotaxis
- Chemoreception
- Chemotropism
- Chemonasty
Which one of the following statement is correct?
Hard outer layer of pollen is called intine
Sporogenous tissue is haploid
Tapetum nourishes the developing pollen
Endothecium produces the microspores
Identify the correct statements with respect to an anther.
An anther is always bilobed.
Anther lobe with one theca is called dithecous.
The bilobed nature of anther is distinct in its longitudinal section.
A typical anther is tetragonal and tetrasporangiate.
The correct sequence of cell layers in an anther is
- Epidermis - Middle layers - Endothecium - Tapetum - Sporogenous tissues.
- Epidermis - Endothecium - Middle layers - Tapetum - Sporogenous tissue.
Epidermis - Tapetum - Middle layers - Endothecium - Sporogenous tissues.
Epidermis - Middle layers - Tapetum - Sporogenous tissue
- Endothecium produces the microspores
- Hard outer layer of pollen is called intine
- Tapetum nourishes the developing pollen
- Sporogenous tissue is haploid