Question: Can you find a plant in your house or in your neighborhood which has a long but a weak stem? Write its name. In which category would you classify it?
Answer: Yes, we find a money plant in our house. It is a climber.
Question: What is the function of a stem in a plant?
Answer: A stem performs following functions:
- The stem and its branches hold leaves to get maximum sunlight.
- It transports water from roots to different parts of the plant.
- It transports food from leaves to different parts of the plant.
- It bears leaves, flowers and fruits.
Question: Which of the following leaves have reticulate venation?Wheat, tulsi, maize, grass, coriander (dhania), china rose.
Answer: Tulsi, china rose.
Question: If a plant has fibrous root, what type of venation are its leaves likely to have?
Answer: Parallel venation.
Question: If a plant has leaves with reticulate venation, what kind of roots will it have?
Answer: Tap root.
Question: Is it possible for you to recognise the leaves without seeing them? How?
Answer: We cannot exactly recognise the leaves without seeing them. We may be able to have some idea by touching and smelling them.
Question: Write the names of the parts of a flower in sequence, from outside to inside.
Answer: The names of various parts of a flower from outside to inside are:
- Sepals
- Petals
- Stamens
- Pistil
Question: Name the part of the plant which produces its food. Name this process.
Answer: Leaves produce food for the plant. This process is called photosynthesis.
Question: In which part of a flower you are likely to find the ovary?
Answer: We find ovary in pistil. It is the lowermost part of the pistil.
Question: Name two flowers, each with joined and separates sepals.
Answer:
Flowers with joined sepals:
- Datura
- Loki
Flowers with separate sepals:
- Gurhal
- Mustard