Photosynthetic organisms also remove large quantities of carbon dioxide from the atmosphere and use the carbon atoms to build ________________.

Analyze the type of cells present on the surface of leaves of the plants that absorb carbon dioxide from the atmosphere.

1. Mesophyll cells
2. Parenchyma cells
3. Xylem
4. Guard cells

A	1. These are the primary sites of photosynthesis
B	2. The light-dependent reactions
C	3. The light-independent reactions

1. A-2, b-1, c-3
2. A-3, b-1, c-2
3. A-1, b-2, c-3
4. A-2, b-3, c-1

Suggest one word for each of the following statements.
1. Each __________ cell contains organelles called chloroplasts, which are specialized in carrying out the reactions of photosynthesis.
2. The light-dependent reactions take place in the _________membrane and require a continuous supply of light energy.
3. The Calvin cycle, also called the light-independent reactions, takes place in the ___________.
4. Different chemical reactions occur in the different parts of the ________.

1. 1-Mesophyll, 2-stroma, 3-thylakoid, 4-chloroplast
2. 1-Thylakoid, 2-mesophyll, 3-stroma, 4-chloroplast
3. 1-Mesophyll, 2-thylakoid, 3-stroma, 4-chloroplast
4. 1-Mesophyll, 2-chloroplast, 3-thylakoid, 4-stroma

Observe the image and choose the correct statement.

1. Function of algae and autotrophic plants are similar.
2. Algae can produce their own food through the process of cellular respiration.
3. Presence of carotene pigments enhances the process of making food in algae.
4. Such kind of green algae contains xanthophyll pigment, which is responsible for the green color.

Choose the odd one out

1. Thylakoid
2. Stroma
3. Grana
4. Lamina

Carbon dioxide enters the plant through the stroma of the chloroplast. State true or false.

1. True
2. False

Choose the correct statement in terms of photosynthetic pigments.

1. Chloroplasts, or plastids with green color, are found throughout the plant body.
2. The structure of chlorophyll consists of 4 nitrogen atoms that surround a magnesium atom.
3. Chlorophyll is made up of a combination of chlorophylls c and d.
4. Chlorophyll is a green pigment that can be found in the meristematic tissue of cyanobacteria.

________________transform light energy into chemical energy through a process called photosynthesis, which is then used to energize cellular processes.

1. Heterotrophs
2. Phototrophs
3. Chemotrophs
4. None of these

_______________ is a green pigment that can be found in the mesosomes of cyanobacteria and the chloroplasts of plant cells.

1. Chlorophyll
2. Carotene
3. Anthocyanins
4. Xanthophyll

Match the following:

1.Carbon dioxide and water	a. A higher carbon dioxide concentration
2. Formation of glucose	b. The two reactants in the photosynthesis reaction
3. Speed up the process of photosynthesis