Which one of the following is wrong for fungi?
1. They are eukaryotic
2. All fungi possess a purely cellulosic cell wall
3. They are heterotrophic
4. They both are unicellular and multicellular
Methanogens belong to:
4. slime moulds
Select the wrong statement:
|1.||The walls of diatoms are easily destructible|
|2.||Diatomaceous earth is formed by the cell walls of diatoms|
|3.||Diatoms are chief producers in the oceans|
|4.||Diatoms are microscopic and float passively in water|
The label of a herbarium sheet does not carry information on:
1. date of collection
2. name of collector
3. local names
4. height of the plant
Conifers are adapted to tolerate extreme environmental conditions because of?
1. broad hardy leaves
2. superficial stomata
3. thick cuticle
4. the presence of vessels
Which one of the following statements is wrong?
|1.||Algae increase the level of dissolved oxygen in the immediate environment|
|2.||Algin is obtained from red algae and carrageenan from brown algae|
|3.||Agar-agar is obtained from Gelidium and Gracilaria|
|4.||Laminaria and Sargassum are used as food|
The term 'polyadelphous' is related to?
How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens with different lengths in their flowers?
Radial symmetry is found in the flowers of?
Free-central placentation is found in?