Plant Physiology MCQs with Answers

adminApril 6, 2024

0 125 2 minutes read

Welcome to the Plant Physiology MCQs with Answers. In this post, we have shared Plant Physiology Online Test for different competitive exams. Find practice Plant Physiology Practice Questions with answers in Biology Tests exams here. Each question offers a chance to enhance your knowledge regarding Plant Physiology.

That is, plant physiology is part of botany which science researches how plants work and how they react toward their environment. It would be interested in the vital processes which maintain life in a plant. Indeed, it has played an important role in improving agricultural practice, crop yields, and developing sustainable farming solutions.

Some of the basic concepts of plant physiology involve photosynthesis whereby plants convert light energy to chemical energy with glucose and oxygen being produced. Respiration in the plant is also vital in providing with energy. Respiration in plants is another essential process that breaks down glucose to provide energy within the plant. Also, it plays a crucial role in cellular functions within the plant.

Other fundamental concepts include uptake of water and nutrients. Water and minerals absorbed by the roots of the plant are carried throughout the plant by vascular tissues. Regulating the state of water balance, which includes transpiration, and conserving water mechanisms ensures survival of plants, especially ones that experience drought conditions.

Besides, plant physiology can be defined as the regulation of hormones, which can be elements governing growth, development, and responses to environmental stimuli by auxins, gibberellins, and cytokinins in plants.

Knowledge of plant physiology can thus be used to develop strategies to improve crop resilience, increase productivity, and solve the challenges of climate change as well as resource management. Insights from plant physiology are vital for further research in developing plant science and agriculture in sustainability, for agronomists, botanists, and environmental scientists.

Plant Physiology Online Quiz

By presenting 3 options to choose from, Plant Physiology Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Plant Physiology Questions and Answers and click over the correct answer.

Test Name: Plant Physiology MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply click on question and comment below that question. so that we can update the answer in the quiz section.

Plant Physiology

Please fill out the form before starting Quiz.

1 / 40

Which pigment primarily absorbs light energy for photosynthesis?

Chlorophyll b

Carotenoids

Chlorophyll a

2 / 40

In photosynthesis, light energy is absorbed by _____.

Chlorophyll

Mitochondria

Stomata

3 / 40

In respiration, glucose is broken down into _____.

ATP and carbon dioxide

Carbon dioxide and water

Oxygen and glucose

4 / 40

The process of photosynthesis occurs primarily in the _____.

Cell membrane

Chloroplasts

Mitochondria

5 / 40

The opening and closing of stomata is regulated by _____.

Xylem

Guard cells

Phloem

6 / 40

The process by which plants absorb nutrients from the soil is called _____.

Transpiration

Osmosis

Absorption

7 / 40

The process by which plants convert light energy into chemical energy is called _____.

Transpiration

Respiration

Photosynthesis

8 / 40

Transpiration primarily occurs through _____.

Xylem

Stomata

Phloem

9 / 40

The energy currency of the cell is _____.

Starch

Glucose

ATP

10 / 40

Which of the following is NOT a stage of respiration?

Krebs cycle

Calvin cycle

Glycolysis

11 / 40

The movement of sugars from leaves to other parts of the plant is called _____.

Respiration

Translocation

Photosynthesis

12 / 40

The process by which plants release energy from glucose molecules to fuel cellular activities is called _____.

Transpiration

Photosynthesis

Respiration

13 / 40

Which of the following is NOT a primary pigment involved in photosynthesis?

Hemoglobin

Carotenoids

Chlorophyll

14 / 40

The energy currency of the cell is _____.

Starch

ATP

Glucose

15 / 40

Which of the following is NOT a function of plant roots?

Absorbing water and nutrients

Anchoring the plant

Photosynthesis

16 / 40

The breakdown of glucose molecules to release energy in the absence of oxygen is called _____.

Aerobic respiration

Fermentation

Anaerobic respiration

17 / 40

The process by which water is absorbed by roots and released as vapor through leaves is called _____.

Transpiration

Respiration

Photosynthesis

18 / 40

The opening and closing of stomata is regulated by _____.

Phloem

Guard cells

Xylem

19 / 40

The gas required for photosynthesis is _____.

Oxygen

Nitrogen

Carbon dioxide

20 / 40

The opening and closing of stomata is regulated by _____.

Guard cells

Phloem

Xylem

21 / 40

Which of the following is NOT a function of plant roots?

Photosynthesis

Absorbing water and nutrients

Anchoring the plant

22 / 40

The products of photosynthesis are _____.

ATP and NADPH

Carbon dioxide and water

Glucose and oxygen

23 / 40

The process by which plants use energy from sunlight to convert carbon dioxide and water into glucose and oxygen is called _____.

Respiration

Photosynthesis

Transpiration

24 / 40

Which of the following is NOT a factor affecting photosynthesis?

Atmospheric pressure

Temperature

Light intensity

25 / 40

The process by which excess water is lost from plant leaves through small openings called stomata is called _____.

Osmosis

Transpiration

Photosynthesis

26 / 40

The process by which plants release energy from glucose molecules to fuel cellular activities is called _____.

Photosynthesis

Respiration

Transpiration

27 / 40

The study of how plants function is known as _____.

Botany

Plant physiology

Ecology

28 / 40

The process by which water is absorbed by roots and released as vapor through stomata is called _____.

Photosynthesis

Respiration

Transpiration

29 / 40

In respiration, glucose is broken down into _____.

ATP and carbon dioxide

Oxygen and glucose

Carbon dioxide and water

30 / 40

Which of the following is NOT a function of plant roots?

Photosynthesis

Anchoring the plant

Absorbing water and nutrients

31 / 40

Plant physiology focuses on the _____.

Genetics of plants

Function of plant cells

Classification of plants

32 / 40

Which of the following is NOT a macronutrient required by plants?

Phosphorus

Nitrogen

Iron

33 / 40

The process by which green plants produce glucose from carbon dioxide and water using light energy is called _____.

Respiration

Transpiration

Photosynthesis

34 / 40

The organelle where photosynthesis occurs in plant cells is the _____.

Chloroplasts

Mitochondria

Nucleus

35 / 40

Which of the following is NOT a major theme in plant physiology?

Photosynthesis

Animal behavior

Reproduction

36 / 40

The breakdown of glucose molecules to release energy in the absence of oxygen is called _____.

Fermentation

Aerobic respiration

Anaerobic respiration

37 / 40

The process by which green plants produce glucose from carbon dioxide and water using light energy is called _____.

Respiration

Photosynthesis

Transpiration

38 / 40

The primary site of respiration in plant cells is the _____.

Nucleus

Chloroplasts

Mitochondria

39 / 40

The primary site of respiration in plant cells is the _____.

Mitochondria

Nucleus

Chloroplasts

40 / 40

Which of the following is NOT a stage of respiration?

Krebs cycle

Calvin cycle

Glycolysis

Download Certificate of Quiz Plant Physiology

On the end of Quiz, you can download the certificate of the quiz if you got more than 70% marks. Add a certificate to your job application or social profile (like LinkedIn) and get more job offers.

Download Plant Physiology MCQs with Answers Free PDF

You can also download 100 Plant Physiology Questions with Answers free PDF from the link provided below. To Download file in PDF click on the arrow sign at the top right corner.

If you are interested to enhance your knowledge regarding English, Physics, Chemistry, Computer, and Biology please click on the link of each category, you will be redirected to dedicated website for each category.

adminApril 6, 2024

0 125 2 minutes read