Criteria for Autogamy to Take Place

Q.

What is dispersal of seeds and pollination

Q. Flowers that have bright coloured petals rather than dull petals are pollinated by

1. wind
2. human
3. rain
4. insect

Q. The following image shows pollination by an agent. Identify the agent and name this mode of cross-pollination.

1. Bat, Chiropterophily
2. Bat, Anemophily
3. Insect, Entomophily
4. Bird, Ornithophily

Q. Pollination occurs in

1. Conifers
2. Ferns
3. Flowering plants
4. Fungi

Q. 12.1. Explain briefly the disadvantages of asexual reproduction.

12.2. Define pollination. What are the two types of pollination?

12.3. a) What is reflex action?
b) Draw a well-labelled diagram of neuron.
c) Describe the central nervous system.

Q.

The one advantage of cleistogamy is:

1. It leads to greater genetic diversity

2. Seed dispersal is more efficient and widespread

3. Seed set is not dependent on pollinators

4. Each visit of pollinator results in the transfer of hundreds of pollen grains.

Q.

In which one of the following pollinations is autogamous?

1. Cleistogamy

2. Chasmogamy

3. Geitonogamy

4. Xenogamy