Plant Science Exam Prep Quiz

Question 1

Which organelle is the site of photosynthesis?

Accepted Answer

Chloroplast

Question 2

The plant cell wall is made mainly of:

Accepted Answer

Cellulose

Question 3

Which gas is released as a by-product of photosynthesis?

Accepted Answer

Oxygen

Question 4

The Calvin cycle takes place in the:

Accepted Answer

Stroma

Question 5

Water is transported upward through the:

Accepted Answer

Xylem

Question 6

Movement of sugars in the phloem is called:

Accepted Answer

Translocation

Question 7

Which hormone promotes fruit ripening?

Accepted Answer

Ethylene

Question 8

Growth of a shoot towards light is:

Accepted Answer

Phototropism

Question 9

The end products of aerobic respiration are:

Accepted Answer

CO₂, water and energy

Question 10

Meiosis in flowering plants occurs in the:

Accepted Answer

Anthers and ovules

Question 11

Crossing over happens during:

Accepted Answer

Prophase I

Question 12

Stomata are opened and closed by:

Accepted Answer

Guard cells

Question 13

Transpiration rate increases when:

Accepted Answer

Wind speed increases

Question 14

The male part of a flower is the:

Accepted Answer

Stamen

Question 15

Which is the correct way to write the scientific name of maize?

Accepted Answer

Zea mays

Question 16

Plants that bear naked seeds in cones are:

Accepted Answer

Gymnosperms

Question 17

Which crop is a monocot?

Accepted Answer

Maize

Question 18

Vascular bundles arranged in a ring are typical of:

Accepted Answer

Dicot stems

Question 19

Coconut is mainly dispersed by:

Accepted Answer

Water

Question 20

Which is NOT required for seed germination?

Accepted Answer

Light (for most seeds)

Question 21

Yellowing of older leaves first usually indicates deficiency of:

Accepted Answer

Nitrogen

Question 22

Bacteria in legume root nodules belong to the genus:

Accepted Answer

Rhizobium

Question 23

Which soil has the best water-holding capacity?

Accepted Answer

Clay

Question 24

Glyphosate is an example of a:

Accepted Answer

Non-selective herbicide

Question 25

The most water-efficient irrigation method is:

Accepted Answer

Drip

Question 26

In a Tt × Tt cross, the phenotypic ratio is:

Accepted Answer

3:1

Question 27

The disease triangle consists of host, pathogen and:

Accepted Answer

Environment

Question 28

Late blight of potato is caused by:

Accepted Answer

Phytophthora infestans

Question 29

Crop rotation controls disease mainly by:

Accepted Answer

Breaking the pathogen life cycle

Question 30

A systemic fungicide differs from a contact fungicide because it:

Accepted Answer

Is absorbed and moves within the plant

Free Exam Prep Quiz

1. Which organelle is the site of photosynthesis?

2. The plant cell wall is made mainly of:

3. Which gas is released as a by-product of photosynthesis?

4. The Calvin cycle takes place in the:

5. Water is transported upward through the:

6. Movement of sugars in the phloem is called:

7. Which hormone promotes fruit ripening?

8. Growth of a shoot towards light is:

9. The end products of aerobic respiration are:

10. Meiosis in flowering plants occurs in the:

11. Crossing over happens during:

12. Stomata are opened and closed by:

13. Transpiration rate increases when:

14. The male part of a flower is the:

15. Which is the correct way to write the scientific name of maize?

16. Plants that bear naked seeds in cones are:

17. Which crop is a monocot?

18. Vascular bundles arranged in a ring are typical of:

19. Coconut is mainly dispersed by:

20. Which is NOT required for seed germination?

21. Yellowing of older leaves first usually indicates deficiency of:

22. Bacteria in legume root nodules belong to the genus:

23. Which soil has the best water-holding capacity?

24. Glyphosate is an example of a:

25. The most water-efficient irrigation method is:

26. In a Tt × Tt cross, the phenotypic ratio is:

27. The disease triangle consists of host, pathogen and:

28. Late blight of potato is caused by:

29. Crop rotation controls disease mainly by:

30. A systemic fungicide differs from a contact fungicide because it: