NCERT solutions for Science [English] Class 7 chapter 8 - Reproduction in Plants [Latest edition]

Production of new individuals from the vegetative part of parent is called ______.

A flower may have either male or female reproductive parts. Such a flower is called ______.

The transfer of pollen grains from the anther to the stigma of the same or of another flower of the same kind is known as ______.

The fusion of male and female gametes is termed as ______.

Seed dispersal takes place by means of ______, ______ and ______.

Describe the different methods of asexual reproduction. Give examples. 

Explain what you understand by sexual reproduction.

State the main difference between asexual and sexual reproduction.

Sketch the reproductive parts of a flower.

Explain the difference between self-pollination and cross-pollination.

How does the process of fertilisation take place in flowers?

Describe the various ways by which seeds are dispersed.

Match items in Column I with those in Column II:

The reproductive part of a plant is the ______.

The process of fusion of the male and female gametes is called ______.

Mature ovary forms the ______.

A spore-producing organism is ______.

Bryophyllum can reproduce by its ______.

Make your own cactus garden by collecting pieces cut from different kinds of cacti. Grow the variety in one single flat container or in separate pots.

Visit a fruit market and collect as many local fruits as possible. If many fruits are not available, you can collect tomatoes and cucumbers (these are fruits, though we use them as vegetables). Make drawings of the different fruits. Split the fruits and examine the seeds within. Look for any special characteristics in the fruits and their seeds. You can visit a library also to learn about this.

Think of ten different fruit-bearing plants. Remember that many vegetables are also fruits of the plants. Discuss with your teacher, parents, farmers, fruit growers and agricultural experts (if available nearby) and find out the manner of their dispersal. Present your data in the form of a table as shown below:

Suppose there is one member of a particular kind of organism in a culture dish, which doubles itself in one hour through asexual reproduction. Work out the number of members of that kind of organism which will be present in the culture dish after ten hours. Such a colony of individuals arising from one parent is called a “clone”.