1. Protective layer
2. Nourishing layer
3. Vestigial part
4. None of the these
Nourishing layer
1. 250
2. 500
3. 1000
4. 2500
1000
1. Fact green
2. Acid fusion
3. Aceto carmine
4. Janus green
Janus green
1. 4 nuclei
2. 14 nuclei
3. 8 nuclei
4. 18 polysaccharide
8 nuclei
1. To draw food materials from the microspores
2. To digest the sporocytes
3. To supply food materials to the developing microsporocytes
4. To give protection to the inner tissues
To supply food materials to the developing microsporocytes
1. Living organisms have more gold in them than inanimate objects
2. Living organisms have more water in their body than inanimate objects
3. Living organisms have more carbon, oxygen and hydrogen per unit mass than inanimate objects
4. Living organisms have more calcium in them than inanimate objects
Living organisms have more carbon, oxygen and hydrogen per unit mass than inanimate objects
1. Pectocellulose
2. Lignocelluloses
3. Sporopollenin
4. Pollen kit
Sporopollenin
1. Silicon
2. Magnesium
3. Iron
4. Sodium
Silicon
1. Microspore-Pollen
2. Megasporangium-ovule
3. Microsporangium -anther lobes
4. None of the above
None of the above
1. Endothecium and tapetum
2. Tapetum and middle layers
3. Endothecium, middle layers and tapetum
4. Epidermis, endothecium, middle layers and tapetum
Epidermis, endothecium, middle layers and tapetum