(FREE) UPSC Current Affairs 2025 PDF
NEW! The Gist (SEP-2025) | E-BOOKS
(IGP) GS Paper 1 - General Science - "Photosynthesis - MCQ"
Integrated Guidance Programme of General Studies for IAS (Pre) - 2013
Subject - General Science
Chapter : Photosynthesis
1. Consider the following statements:
- 
	Plants are the only photosynthetic organisms to have leaves.
- 
	Not all plants have leaves.
- 
	A leaf may be viewed as a solar collector.
Which of the above statements is/are correct?
- 
	1 & 2 only
- 
	2 & 3 only
- 
	3 only
- 
	All of the above
2. Consider the following statements:
- 
	A pigment is any substance that absorbs light.
- 
	The color of pigment comes from the wavelength of light reflected.
- 
	Black pigments absorb all wavelengths that strike them.
Which of the above statements is/are false?
- 
	1 & 2 only
- 
	2 & 3 only
- 
	None of the above
- 
	3 only
