Nivedita Bose and Madhur Gupta Solutions for Chapter: Reproduction in Plants, Exercise 2: Worksheet FA

Botany
Plants are one of the two groups into which all living things were traditionally divided; the other is animals. The division goes back at least as far as Aristotle (384-322 BCE) who distinguished between plants which generally do not move, and animals which often are mobile to catch their food. Much later, when Linnaeus (1707-78) created the basis of the modern system of scientific classification, these two groups became the kingdoms Vegetabilia (later Metaphyta or Plantae) and Animalia (also called Metazoa). Since then, it has become clear that the plant kingdom as originally defined included several unrelated groups and the fungi and several groups of algae were removed to new kingdoms. However, these organisms are still often considered plants, particularly in popular contexts.

Outside the formal scientific contexts, the term plant' implies an association with certain traits, such as being multicellular, possessing cellulose and having the ability to carry out photosynthesis. Plants are living organisms and include trees, herbs, bushes, grasses, vines, ferns, mosses and green algae. The scientific study of plants is known as botany. All plants are classified and have scientific names. A plant's scientific name is the key to finding out all sorts of information about that plant species. Plants have a life cycle. Plants have the ability to adapt to their environment.

1. The first division into plants and animals was given by _____.
2. Who gave the basis of the modern system of scientific classification:
3. The traits listed which are unique for plants are:
4. The study of plants is known as _____.
5. List out the characteristics which are unique for plants.
6. What is the key to finding out all sorts of information about any plant species?

A gardener is growing some carrots. How do carrots reproduce?

What is the advantage of sexual reproduction?

What is the advantage of asexual reproduction?

Which of the following conditions is not necessary for a seed to germinate?

What will happen if the pollens from one species of plants are deposited on the flowers of a different species? Will the fertilization occur? Give a reason for your answer.

Plants having small and dull flowers are often pollinated during the night. Give reasons.

Vegetative propagation is more prevalent in lower species of plants. Is it related to evolution? How are the plants showing sexual reproduction different from those showing asexual reproduction? Explain with two examples.