The hilum is a scar on the:
Which one of the following may require pollinators, but is genetically similar to autogamy?
1. | Geitonogamy | 2. | Xenogamy |
3. | Apogamy | 4. | Cleistogamy |
Which one of the following statements is not true?
1. | Pollen grains are rich in nutrients and they are used in the form of tablets and syrups |
2. | Pollen grains of some plants cause severe allergies and bronchial afflictions in some people |
3. | The flowers pollinated by flies and beetles secrete foul odour to attract them |
4. | Honey is made by bees by digesting pollen collected from flowers |
Transmission tissue is a characteristic feature of:
In ginger vegetative propagation occurs through:
Which of the following are the important floral rewards to animal pollinators?
How many pairs of contrasting characters in pea plants were studied by Mendel in his experiments?
1. | Five | 2. | Six |
3. | Eight | 4. | Seven |
Which is the most common mechanism of genetic variation in the population of a sexually reproducing organism?
A technique of micro-propagation is:
The movement of a gene from one linkage group to another is called: