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Short & Long Questions: Plants | Let's Look Around & Learn 2: Solutions, Notes & Worksheets - Class 2 PDF Download

Short Answer Questions

Q1: What are the four types of plants?
Ans: Herbs, shrubs, climbers, and trees.

Q2: What is the main purpose of a herb in terms of its usage?
Ans: Herbs are used to make medicine and add flavor to food.

Q3: Describe a shrub based on its characteristics.
Ans: A shrub is a small plant with a hard stem and branches.

Q4: Why do climbers need support?
Ans: Climbers are weak plants that cannot stand on their own, so they climb onto something for support.

Q5: What is the key feature of a tree, and give an example of a long-lived tree.
Ans: Trees have a strong stem called a trunk. An example is the banyan tree, which lives for hundreds of years.

Q6: Explain the process by which flowers turn into fruits.
Ans: Flowers change into fruits, and some fruits have seeds. Seeds grow into plants.

Q7: What are the essential elements that plants need to grow?
Ans: Plants need air, water, and sunlight to grow.

Q8: List five types of food items that we get from plants.
Ans: Cereals, pulses, fruits, vegetables, and spices.

Q9: Name two things we get from plants other than food.
Ans: Wood and fibers (cotton and jute) for making various products.

Q10: Why is it mentioned that we should plant more trees?
Ans: Planting more trees is emphasized because trees are essential for various resources, including clean air and raw materials.

Long Answer Questions

Q1: Explain the different parts of a plant based.
Ans: Plants have roots, stems, leaves, flowers, and fruits. Each part serves a specific function, such as roots for support and nutrient absorption, stems for transportation, leaves for photosynthesis, flowers for reproduction, and fruits for seed protection and dispersal.

Q2: Describe the importance of oxygen in the relationship between humans and plants.
Ans: Plants give out oxygen through a process called photosynthesis. We breathe in this oxygen, and in return, we exhale carbon dioxide, which plants take in. This interdependence is vital for maintaining the balance of gases in the atmosphere.

Q3: Discuss the various uses of wood obtained from plants.
Ans: Wood from plants is used to make doors, windows, and furniture. Additionally, it serves as a fuel source.

Q4: Provide examples of spices and explain how they make food tasty.
Ans: Spices include those like pepper and cinnamon. They add flavor and aroma to food, making it more enjoyable.

Q5: Explain the process of obtaining rubber from a rubber tree.
Ans: Latex, a white thick juice, is collected from the rubber tree. This latex is then processed to produce rubber, which is used for various purposes, including making tires.

Q6: How do flowers contribute to the production of perfumes?
Ans: Some sweet-smelling flowers are used to make perfumes. Essential oils extracted from these flowers are key ingredients in perfume production.

Q7: Discuss the importance of seeds in the life cycle of plants.
Ans: Seeds are crucial as they allow plants to reproduce. When seeds are planted, they grow into new plants, continuing the life cycle.

Q8: Explain the role of jute plants in providing a useful fiber.
Ans: Jute plants provide jute fiber, which is used to make various products, including bags and textiles.

Q9: Why are herbs and trees in terms of their lifespan?
Ans: Herbs to have a short lifespan, while trees, like the banyan tree, can live for hundreds of years. This highlights the diversity in the lifespans of different types of plants.

Q10: In your own words, summarize the key lessons learned about the importance of plants.
Ans: Plants are valuable as they provide us with food, oxygen, raw materials, and various products. They play a crucial role in our environment, and it is emphasized that we should plant more trees to maintain this balance.

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FAQs on Short & Long Questions: Plants - Let's Look Around & Learn 2: Solutions, Notes & Worksheets - Class 2

1. What is photosynthesis?
Ans. Photosynthesis is the process by which green plants, algae, and some bacteria convert sunlight, carbon dioxide, and water into glucose (a type of sugar) and oxygen. This process takes place in the chloroplasts of plant cells and is essential for their growth and survival.
2. How do plants obtain water?
Ans. Plants obtain water through their roots. The roots have specialized structures called root hairs, which increase the surface area for absorption. The water is absorbed through the root hairs and transported upwards through the xylem vessels to the leaves and other parts of the plant.
3. What is the role of leaves in plants?
Ans. Leaves play a crucial role in plants. They are the main site of photosynthesis, where sunlight is captured and converted into chemical energy. Leaves also regulate the exchange of gases, such as oxygen and carbon dioxide, with the environment through tiny openings called stomata. Additionally, leaves help in the process of transpiration, where excess water is released as vapor through the stomata.
4. How do plants reproduce?
Ans. Plants can reproduce through two main methods: sexual reproduction and asexual reproduction. In sexual reproduction, plants produce flowers and seeds. The male reproductive organs (stamen) produce pollen, which is transferred to the female reproductive organs (pistil) for fertilization. This leads to the formation of seeds. In asexual reproduction, plants can produce new individuals without the involvement of seeds. This can occur through methods such as vegetative propagation, where new plants are formed from stems, leaves, or roots of the parent plant.
5. Why do plants need sunlight?
Ans. Sunlight is essential for plants as it provides the energy needed for photosynthesis. During photosynthesis, plants use sunlight to convert carbon dioxide and water into glucose and oxygen. This glucose serves as a source of energy for the plant's growth and development. Additionally, sunlight helps in the production of chlorophyll, the green pigment responsible for capturing light energy. Without sunlight, plants would not be able to carry out photosynthesis and would eventually die.
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