Biology Class 9 Chapter 1 in Hindi. We covered all the Biology Class 9 Chapter 1 in Hindi MCQs in this post for free so that you can practice well for the exam.
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Biology Class 9 Chapter 1 Objective in Hindi for Students
The role of chlorophyll in photosynthesis is:
(a) Absorption of water
(b) Absorption of light energy
(c) Absorption of CO₂
(d) None of the above
The first compound that is fixed during photosynthesis is:
(a) Phosphoglyceric acid
(b) Starch
(c) Glucose
(d) Diphosphoglyceric acid
Option a - Phosphoglyceric acid
Flower colors of red, pink, blue, and purple come mainly from the pigments called:
(a) Carotenoids
(b) Lycopene
(c) Chlorophyll
(d) Anthocyanins
Option d - Anthocyanins
Solar energy is converted into ATP in:
(a) Mitochondria
(b) Chloroplast
(c) Ribosome
(d) Peroxisome
Option b - Chloroplast
Which one of the following gases comes out during photosynthesis?
(a) Oxygen
(b) Carbon dioxide
(c) Hydrogen
(d) Chlorine
Option a - Oxygen
The evolved oxygen during photosynthesis comes from the splitting of:
(a) Water
(b) Carbon dioxide
(c) Oxygen
(d) Light
Option a - Water
Which of the following organelles of a cell is/are involved in photosynthesis?
(a) Chloroplast
(b) Mitochondrion
(c) Endoplasmic reticulum
(d) Golgi bodies
Option a - Chloroplast
The by-product of photosynthesis is:
(a) CO2
(b) O₂
(c) Energy
(d) Sugar
Option b - O₂
Which one of the following gases is essential for photosynthesis?
(a) CO
(b) CO₂
(c) N₂
(d) O₂
Option b - CO₂
Most of the photosynthesis process occurs in:
(a) Blue and red region of light.
(b) Green and yellow region of light.
(c) Blue and orange region of light.
(d) Violet and orange region of light.
Option a - Blue and red region of light
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