Photosynthesis takes place in the _____ of the plants.

stomata
pistil
leaves
phloem
pigment

leaves

Hydrogen combines with carbon dioxide to form a _____. Select all that apply.

carbonates
heat
water
sugar
hydrocarbon

water

sugar

To find the answer to your question, we need to understand the process of photosynthesis. Photosynthesis is the process by which plants convert sunlight, carbon dioxide, and water into glucose and oxygen. This process occurs in a specific part of the plants called the chloroplasts.

Now, let's consider the options you've provided:

1. Stomata: Stomata are tiny openings found on the surface of leaves and stems. They allow gases (such as carbon dioxide and oxygen) to enter and exit the plant. While stomata play a crucial role in photosynthesis by allowing carbon dioxide to enter, they are not where photosynthesis actually takes place.

2. Pistil: The pistil is the female reproductive part of a flower. It consists of the stigma, style, and ovary. While the pistil is involved in the reproductive process of plants, it is not directly involved in photosynthesis.

3. Leaves: Yes, you are correct! Photosynthesis primarily takes place in the leaves of plants. Specifically, it occurs in specialized organelles called chloroplasts, which are present in the cells of leaves. Chloroplasts contain green pigments called chlorophyll, which capture sunlight energy and initiate the photosynthetic process.

4. Phloem: Phloem is a type of plant tissue responsible for the transport of sugars, nutrients, and other organic compounds in plants. While phloem is involved in the distribution of the glucose produced during photosynthesis, it is not the site where photosynthesis occurs.

5. Pigment: Pigment refers to any colored molecule that absorbs certain wavelengths of light. In the context of photosynthesis, chlorophyll is the pigment responsible for absorbing light energy and driving the process. However, photosynthesis itself does not occur within the pigment.

In conclusion, photosynthesis takes place primarily in the leaves of plants, specifically in the chloroplasts within the leaf cells.