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Clear you botany concepts with our comprehensive nutrition in plants class 7 MCQ. CBSE Class 7 Science Chapter 1, “Nutrition in Plants,” explores the fascinating mechanisms by which plants feed themselves. We’ve developed an extensive set of nutrition in plants MCQ questions with answers to help students thoroughly understand the concepts and excel in their studies.
Our class 7 science chapter 1 MCQ collection tests a range of key topics, from photosynthesis to nutrient cycles, making it an invaluable resource for revision. Each question is crafted to align with the CBSE syllabus, ensuring that students are well-prepared and confident. Get ready to tackle your exams with our nutrition in plants mcq class 7 with answers, designed to enhance your learning experience and academic performance. You can also download NCERT solutions for class 7 Science.
Science Chapter 1 Nutrition in Plants Class 7 MCQ with Answers
Here are the set of various nutrition in plants class 7 extra questions with answers mcq:
1. What is the primary mode of nutrition in plants?
- Heterotrophic
- Autotrophic
- Saprotrophic
- Parasitic
Sol: Autotrophic
2. Which part of the plant is mainly involved in the absorption of light energy?
Sol: Leaves
3. What is the green pigment called that is essential for photosynthesis?
- Xanthophyll
- Chlorophyll
- Anthocyanin
- Carotene
Sol: Chlorophyll
4. Through which part of the plant does carbon dioxide enter the leaves?
Sol: Stomata
5. What are the organisms called that synthesize their food from inorganic materials?
- Autotrophs
- Heterotrophs
- Saprotrophs
- Parasites
Sol: Autotrophs
6. Which of the following is not a product of photosynthesis?
- Oxygen
- Carbon dioxide
- Water
- Carbohydrate
Sol: Carbon dioxide
7. Which of the following is a parasite?
Sol: Cuscuta
8. What is the process called where plants make their food using sunlight?
- Respiration
- Transpiration
- Photosynthesis
- Digestion
Sol: Photosynthesis
9. What kind of plants are called saprotrophs?
- Plants that feed on dead and decaying matter
- Plants that prepare their own food
- Plants that feed on insects
- Plants that feed through parasitic means
Sol: Plants that feed on dead and decaying matter
10. What is nitrogen fixed by in the soil to become usable for plants?
Sol: Bacteria
11. In which part of the plant does photosynthesis primarily occur?
- Stem
- Root
- Leaf
- Flower
Sol: Leaf
12. What is the role of chlorophyll in photosynthesis?
- It absorbs carbon dioxide
- It captures light energy
- It releases oxygen
- It transports water
Sol: It captures light energy
13. Which type of nutrition do fungi use?
- Autotrophic
- Heterotrophic
- Saprotrophic
- Parasitic
Sol: Saprotrophic
14. What are stomata?
- A type of fungus
- Small openings on the surface of leaves
- Water-absorbing roots
- Part of the flower
Sol: Small openings on the surface of leaves
15. What do guard cells do?
- Protect the plant from insects
- Regulate the opening and closing of stomata
- Absorb minerals from the soil
- Capture light energy
16. What is the main product of photosynthesis?
Sol: Glucose
17. Which gas is absorbed by plants during photosynthesis?
- Oxygen
- Nitrogen
- Carbon dioxide
- Hydrogen
Sol: Carbon dioxide
18. Which mineral is essential for the synthesis of proteins in plants?
Sol: Nitrogen
19. What is transpiration?
- Absorption of water by roots
- Loss of water from leaves
- Synthesis of food in leaves
- Growth of roots in soil
Sol: Loss of water from leaves
20. What type of relationship do Rhizobium bacteria and leguminous plants have?
- Parasitic
- Saprotrophic
- Symbiotic
- Predatory
Sol: Symbiotic
21. Why do farmers add manure to the soil?
- To increase water absorption
- To add nutrients to the soil
- To prevent soil erosion
- To remove weeds
Sol: To add nutrients to the soil
22. What is the main reason plants need nitrogen?
- To make chlorophyll
- To create a strong structure
- To synthesize proteins
- To store energy
Sol: To synthesize proteins
23. How do plants absorb minerals from the soil?
- Through leaves
- Through flowers
- Through roots
- Through seeds
Sol: Through roots
24. What happens to oxygen produced during photosynthesis?
- It is used in respiration
- It is stored in the leaves
- It is converted into carbon dioxide
- It is released into the atmosphere
Sol: It is released into the atmosphere
25. How do insectivorous plants obtain nutrients?
- Through photosynthesis
- From the insects they trap
- From the soil
- From water
Sol: From the insects they trap
26. What are lichens an example of?
- Parasitism
- Symbiosis
- Saprotrophism
- Autotrophism
Sol: Symbiosis
27. What role do fungi play in ecosystems?
- They produce oxygen
- They decompose dead organic matter
- They fix nitrogen
- They absorb light energy
Sol: They decompose dead organic matter
28. What type of plant is Cuscuta?
- Parasitic
- Autotrophic
- Insectivorous
- Saprotrophic
Sol: Parasitic
29. Why is photosynthesis considered a vital process on Earth?
- It produces carbohydrates
- It produces oxygen
- It regulates temperature
- It purifies water
Sol: It produces oxygen
30. What do guard cells regulate?
- Water flow in xylem
- Sugar transport in phloem
- Opening and closing of stomata
- Absorption of sunlight
Sol: Opening and closing of stomata
31. Which plant part acts as the primary site for photosynthesis?
- Leaf
- Root
- Stem
- Flower
Sol: Leaf
32. What is the term for plants that make their food using inorganic substances?
- Heterotrophs
- Autotrophs
- Saprotrophs
- Parasites
Sol: Autotrophs
33. What substance in the leaf captures solar energy for photosynthesis?
- Stomata
- Cellulose
- Chlorophyll
- Cuticle
Sol: Chlorophyll
34. What process do fungi use to obtain nutrients?
- Photosynthesis
- Predation
- Saprotrophic nutrition
- Symbiotic nutrition
Sol: Saprotrophic nutrition
35. What gas do plants take in that is necessary for photosynthesis?
- Oxygen
- Hydrogen
- Nitrogen
- Carbon dioxide
Sol: Carbon dioxide
36. What is not a role of nutrients in plants?
- To build body structures
- To facilitate growth
- To synthesize chlorophyll
- To fix nitrogen
Sol: To fix nitrogen
37. What do legumes use to fix nitrogen?
- Chlorophyll
- Stomata
- Rhizobium bacteria
- Phloem
Sol: Rhizobium bacteria
38. What is the function of manure added to soil?
- To increase water retention
- To kill pests
- To add nutrients
- To increase sunlight absorption
Sol: To add nutrients
39. Plants absorb nutrients through their _______.
- Leaves
- Flowers
- Roots
- Stem
Sol: Roots
40. Which of the following minerals plays a major role in energy storage and transfer of ADP into ATP molecules?
- Molybdenum
- Phosphorus
- None of the above
- Magnesium
Sol: Phosphorus
41. The main mode of nutrition in plants is __________.
- Heterotrophic
- None of the above
- Autotrophic
- Saprophytic
Sol: Autotrophic
42. Which of the following minerals helps in improving both the quantity and quality of dry matter in leafy vegetables and protein in grain crops?
- Molybdenum
- Nitrogen
- Iron
- Copper
Sol: Nitrogen
43. How many essential nutrients does a plant require?
- 20
- 16
- 15
- 17
Sol: 17
44. Which of the following minerals is required by the plants in large quantities?
- Molybdenum
- Manganese
- Chlorine
- Phosphorus
Sol: Phosphorus
45. Which of the following statements is false about nutrition?
- Manganese and molybdenum are micronutrients
- Nutrition provides energy for carrying out various functions.
- Plant hormones are nutrients
- Nitrogen and phosphorus are macronutrients
Sol: Plant hormones are nutrients
46. Chlorosis is yellowing of the leaves, caused due to the deficiency of ________.
- Manganese
- All of the above
- Zinc
- Potassium
Sol: All of the above
47. Which of the following minerals is required for the synthesis of chlorophyll?
- Iron
- Nitrogen
- Copper
- Potassium
Sol: Iron
48. Which of the following minerals is a constituent of cell membranes and nucleic acids?
- Manganese
- Zinc
- Phosphorous
- Potassium
49. What is the primary site for photosynthesis in most plants?
- Stem
- Root
- Leaf
- Flower
Sol: Leaf
50. What is the term for plants that produce their own food?
- Heterotrophs
- Autotrophs
- Saprotrophs
- Parasites
Sol: Autotrophs
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FAQs on Class 7 Science Chapter 1 Nutrition in Plants MCQ
What topics are covered in Chapter 1 of Class 7 Science on Nutrition in Plants?
Chapter 1 covers essential topics related to plant nutrition, including photosynthesis, different types of nutrition, autotrophic and heterotrophic plants, and examples of each.
How can these MCQ questions help in exam preparation?
Practicing these MCQs helps students test their understanding, reinforce key concepts, and improve their speed and accuracy, which is beneficial for exams.
Are the MCQ questions based on the latest CBSE syllabus?
Yes, these MCQ questions are aligned with the latest CBSE syllabus for Class 7 Science to ensure relevance and accuracy.
Is there a solution or answer key provided for these questions?
Yes, answers are provided with each MCQ to help students check their responses and understand the correct answer.
Can these questions be useful for quizzes and class tests?
Absolutely, these MCQs are ideal for quick revisions, quizzes, and class tests to enhance students' recall and comprehension of the chapter's main topics.