Biology questions
20584 published questions with worked solutions.
- In hydrophilous plant, specific gravity of pollen grain is controlled by
- The following statements about ornithophilous flower are true except
- Pollination in Anthocephallus and Kigellia pinnata is
- Which of the following involves comparatively greater wastage of pollen?
- Largest amount of pollen is produced by plants which show
- In Vallisneria, pollination occurs
- Salvia flower bears two anther lobes, in which
- Bottle brush is pollinated by
- Adaptation shown by pollen grain by hydrophilous flower is
- Pollination was discovered by
- In Rose, pollination is affected by
- Which of the following characteristic is a wind pollinated flower likely to have?
- Pollination between flowers on the same plant is
- Pollination taking place below the surface of water in hydrophytes bearing submerged female flowers is called
- The transfer of pollen grains through the agency of water is called
- Chiropterophily is the pollination carried out by
- When pollination occurs on the surface of water it is called
- Pollination by birds is
- Events from deposition of pollen grain on the stigma to the entry of pollen tube in the ovule are called
- Find the odd statement about cross-pollination from the following