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UPSC Exam  >  UPSC Test  >  Science & Technology CSE  >  Test: Nutrition In Plants - UPSC MCQ

Nutrition In Plants - Free MCQ Practice Test with solutions, UPSC Sci


MCQ Practice Test & Solutions: Test: Nutrition In Plants (5 Questions)

You can prepare effectively for UPSC Science & Technology for UPSC CSE with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Nutrition In Plants". These 5 questions have been designed by the experts with the latest curriculum of UPSC 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 10 minutes
  • - Number of Questions: 5

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Test: Nutrition In Plants - Question 1
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The opening and closing of stomata is controlled by:

Detailed Solution: Question 1

Stomata closed by guard cell and it regulate opening and closing of stomata. When stomata swell up when water is full and guard cell open that's why opening of stomata. When water release from stomata then guard cell shrink that's why closing of stomata.

Test: Nutrition In Plants - Question 2
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The stomatal pore opens when:

Detailed Solution: Question 2

The swelling of guard cells due to absorption of water causes opening of stomatal pores while shrinking of guard cells closes the pores. Opening and closing of stomata occurs due to turgor changes in guard cells. When guard cells are turgid, stomatal pore is open while in flaccid conditions, the stomatal aperture.

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Test: Nutrition In Plants - Question 3
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During photosynthesis, light energy from the sun is absorbed by:

Detailed Solution: Question 3

Chlorophyll is a green coloured photosynthesis pigment occurs in chloroplast. It is site where photosynthesis take place. It traps solar energy and changes it into chemical energy.

Test: Nutrition In Plants - Question 4
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A minute pore which helps in exchange of gases is:

Detailed Solution: Question 4

The exchange of oxygen and carbon dioxide in the leaf (as well as the loss of water vapor in transpiration) occurs through pores called stomata (singular = stoma).
The pores through which leaves exchange gases are STOMATA

Test: Nutrition In Plants - Question 5
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Chlorophyll is found in oval-shaped structures called as

Detailed Solution: Question 5

The 'chlorophyll' is found in the oval shaped structures known as Chloroplast.

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About this UPSC Practice Test

This test contains 5 MCQs on Nutrition In Plants with detailed solutions for each question. It is part of the Science & Technology for UPSC CSE course on EduRev, designed to align with the current UPSC syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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