Class 7 Exam > Class 7 Notes > Class 7 Oxford Science: Chapter Notes, Worksheets & Tests > Worksheets: Nutrition in Plants
Nutrition in Plants Class 6 Worksheet Science Chapter 1
Section A: Multiple Choice Questions
Q. 1. Which of the following is not an autotrophic plant?
a. Algae
b. Moss
c. Mushroom
d. None of the above
Q.2. What is the process of making food by the plants called?
a. Respiration
b. Photosynthesis
c. Transpiration
d. Reproduction
Q.3. Which of the following is not a necessary condition for photosynthesis?
a. Carbon dioxide
b. Water
c. Light
d. Nitrogen
Q.4. Which type of nutrition do plants that feed on other living organisms have?
a. Heterotrophic nutrition
b. Autotrophic nutrition
c. Omnivorous nutrition
d. None of the above
Q.5. Which type of plants obtain their nutrition from dead and decaying matter?
a. Parasitic plants
b. Saprophytic plants
c. Insectivorous plants
d. Symbiotic plants
Section B: Short Questions
Q.1. Define autotrophic nutrition.
Q.2. Write the equation for photosynthesis.
Q.3. Why is photosynthesis important for living organisms on Earth?
Q.4. List the necessary conditions for photosynthesis.5. What is heterotrophic nutrition?
Section C: Fill in the blanks
Q.1. The process by which plants make their own food is called ____________.
Q.2. The pigment responsible for absorbing light in photosynthesis is ____________.
Q.3. Plants absorb ____________ from the air and ____________ from the soil during photosynthesis.
Q.4. ____________ plants obtain their food from other living organisms.
Q.5. The process of photosynthesis takes place in the ____________ of a plant cell.
Section D: Match the column
Match the terms in column A with their descriptions in column B.
Section E: True or False
Q.1. Photosynthesis occurs only in the leaves of the plant. ( )
Q.2. The primary function of chlorophyll is to provide energy for photosynthesis. ( )
Q.3. Heterotrophic plants produce their own food through photosynthesis. ( )
Q.4. Insectivorous plants obtain their nutrients from dead organic matter. ( )
Q.5. Symbiotic plants have a mutually beneficial relationship with other organisms. ( )
You can access the solutions to this worksheet here.
The document Nutrition in Plants Class 6 Worksheet Science Chapter 1 is a part of the Class 7 Course Class 7 Oxford Science: Chapter Notes, Worksheets & Tests.
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FAQs on Nutrition in Plants Class 6 Worksheet Science Chapter 1
| 1. What is the process of photosynthesis in plants? |  |
Ans.Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy, usually from the sun, into chemical energy stored in glucose. During this process, plants take in carbon dioxide from the air and water from the soil, using sunlight to transform these raw materials into glucose and oxygen. The overall chemical equation for photosynthesis can be summarized as: 6CO₂ + 6H₂O + light energy → C₆H₁₂O₆ + 6O₂.
| 2. Why are leaves important for plant nutrition? | |
Ans.Leaves are essential for plant nutrition because they are the primary site of photosynthesis. The green pigment chlorophyll in the leaves captures sunlight, which is necessary for the conversion of carbon dioxide and water into glucose. Additionally, leaves have stomata that allow gas exchange, enabling the uptake of carbon dioxide and the release of oxygen.
| 3. What are the different types of nutrients that plants require? | |
Ans.Plants require various nutrients for growth and development, which can be categorized into macronutrients and micronutrients. Macronutrients include nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur, which are needed in larger quantities. Micronutrients, such as iron, manganese, zinc, copper, molybdenum, and boron, are required in smaller amounts but are equally important for processes like enzyme function and chlorophyll production.
| 4. How do plants obtain water and minerals from the soil? | |
Ans.Plants obtain water and minerals from the soil through their root systems. Roots absorb water through osmosis, while minerals are taken up through active transport. The root hairs increase the surface area for absorption, allowing plants to efficiently gather the necessary nutrients and moisture from their growing environment.
| 5. What role do fungi play in plant nutrition? | |
Ans.Fungi play a crucial role in plant nutrition through a symbiotic relationship known as mycorrhizae. In this association, fungal hyphae connect with plant roots, expanding the root system's ability to absorb water and essential nutrients such as phosphorus. In return, the plant provides the fungi with carbohydrates produced during photosynthesis, creating a mutually beneficial relationship that enhances plant growth and health.
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