Biology Class 9 Chapter 1 in Hindi

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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

Option b - Absorption of light energy

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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