DIRECTION

Choose the letter of the best answer. Write the chosen letter on a separate sheet of paper.

ANSWER

1. Which structure makes plants capable of producing their own food?

A. chloroplast

C stomata

B mitochondria

D. thyinkoid

2. Which structure allows carbon dioxide to enter a plant system?

A. Chloroplast

C. Stomata

B. Mitochondrion

D. Thylakoid

3. Which pigment is responsible for the green color of plants?

A Carotene

C Mesophyll

B. Chlorophyll

D. Xanthophyll

4 Which organisms can undergo photosynthesis?

l. Phytoplanktons

II. Blue-green algae

llI. Amoeba and Paramecium

А. I and II only

C. II and III only

B. I and III only

D. I, II and III

5. A farmer is experiencing a problem in growing his crops. Most of the leaves of the crops are turning yellow Which of the following will likely result from the yellowing of the leaves of the crops?

A. It will increase the production of the food

B it will decrease the production of the food.

C. The production of food can stay the same

D. none of the above

6. Which is the primary product of light-independent reactions?

А. АТР

C. Oxygen

B. Water

D. Glucose

7. Which best describes light-independent reactions?

A. They create energy rich ATP and NADPH

B. They are the first phase of photosynthesis.

C. They use carbon dioxide to make proteins

D. They utilize the energy stored in ATP and NADPH.

Hope it helps.

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