Plant Biology MCQs with Answers

adminJune 13, 2024Last Updated: October 15, 2024

0 36 2 minutes read

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

Plant biology is the study of the structure, functions, growth, and evolution of plants. Aspects about life, in as far as plants-how they go on with photosynthesis, reproduce, and adapt in their surroundings-are studied in plant biology. Knowledge of plant biology has proven to be important for scientists in regard to advancing agriculture, environmental conservation, and biotechnology.

The major areas that encompass the activities of the plant inside are known as plant physiology. These major areas encompass photosynthesis and uptake of nutrients. On the other hand, plant anatomy deals with structural features; it is simply tissues and organs of the plants like the leaf, stem, and roots. Other important areas of plant biology include studies into how plants grow and differentiate through their life cycles, including germination, flowering, and fruiting.

Then, there is the case of plant genetics. In this, it is concerned with knowledge on plant genes and heritability. This would give a researcher an opportunity to produce crops for given desirable traits such as increased yield, increased resistance to pathogens, and elevated nutritional value using genetic modification techniques.

Even research in plant biology includes plant ecology: here it represents the interaction of plants with environmental surroundings and other biota. It contributes to the understanding of the ecosystem and solutions to other problems like climate change and loss of habitats. Altogether it offers an overview of fundamental processes that support life on Earth and is very well suited to efforts in sustainable agriculture and environmental management. Thus deep understanding in plant biology can trigger innovation in solving global challenges for researchers, educators, and industry professionals.

Plant Biology Online Quiz

By presenting 3 options to choose from, Plant Biology 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 Biology Questions and Answers and click over the correct answer.

Test Name: Plant Biology 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 Biology

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1 / 40

The outermost layer of cells in plant roots responsible for absorption is called the _______________.

Cortex

Epidermis

Endodermis

2 / 40

The process by which plants respond to environmental cues such as day length is called _______________.

Phototropism

Photoperiodism

Photoinhibition

3 / 40

The waxy layer on the surface of plant leaves that helps reduce water loss is called the _______________.

Epidermis

Cuticle

Stomata

4 / 40

The plant hormone responsible for promoting fruit ripening is _______________.

Auxin

Ethylene

Gibberellin

5 / 40

Plants that complete their life cycle in one growing season are called _______________.

Perennials

Annuals

Biennials

6 / 40

Which of the following is NOT a primary tissue type in plants?

Ground

Vascular

Dermal

7 / 40

The region of the stem where leaves are attached is called the _______________.

Axil

Node

Internode

8 / 40

The tissue responsible for protecting plant organs and providing support is called _______________.

Dermal

Ground

Vascular

9 / 40

The process by which water vapor is released from plant leaves into the atmosphere is called _______________.

Photosynthesis

Respiration

Transpiration

10 / 40

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

Photosynthesis

Respiration

Transpiration

11 / 40

Plants that require very little water to survive are called _______________.

Xerophytes

Hydrophytes

Epiphytes

12 / 40

The layer of cells in plant stems responsible for photosynthesis is called the _______________.

Pith

Epidermis

Cortex

13 / 40

The plant hormone responsible for promoting cell division and root growth is _______________.

Gibberellin

Auxin

Cytokinin

14 / 40

The process by which plants bend toward light is called _______________.

Phototropism

Thigmotropism

Gravitropism

15 / 40

The process by which plants respond to changes in day length is called _______________.

Photoinhibition

Photoperiodism

Phototropism

16 / 40

The process by which plants release water vapor through small openings in their leaves is called _______________.

Photosynthesis

Transpiration

Respiration

17 / 40

The plant hormone responsible for promoting cell elongation and growth is _______________.

Ethylene

Gibberellin

Auxin

18 / 40

The process by which plants respond to touch is called _______________.

Thigmotropism

Gravitropism

Phototropism

19 / 40

Plants that live for more than two years are called _______________.

Biennials

Perennials

Annuals

20 / 40

The pigment responsible for capturing light energy during photosynthesis is _______________.

Anthocyanin

Chlorophyll

Carotenoid

21 / 40

The tissue responsible for transporting water and nutrients throughout a plant is called _______________.

Vascular

Ground

Dermal

22 / 40

The tissue responsible for providing support and protection in woody plants is called _______________.

Bark

Wood

Cambium

23 / 40

The region of the root where new cells are produced is called the _______________.

Zone of maturation

Root cap

Zone of elongation

24 / 40

The specialized pores on the surface of plant leaves that regulate gas exchange are called _______________.

Epidermis

Stomata

Cuticle

25 / 40

The tissue responsible for producing new cells for plant growth is called _______________.

Cambium

Epidermis

Meristem

26 / 40

The female reproductive structure of a flower is called the _______________.

Petal

Stamen

Pistil

27 / 40

The male reproductive structure of a flower is called the _______________.

Pistil

Stamen

Petal

28 / 40

The process by which plants take in carbon dioxide and release oxygen is called _______________.

Transpiration

Photosynthesis

Respiration

29 / 40

The layer of cells in plant stems responsible for secondary growth is called the _______________.

Cambium

Epidermis

Cortex

30 / 40

Plants that grow on or in other plants without parasitizing them are called _______________.

Epiphytes

Saprophytes

Parasites

31 / 40

The layer of cells in plant roots responsible for storage is called the _______________.

Cortex

Pericycle

Endodermis

32 / 40

The outermost layer of cells in plant leaves that serves as a protective barrier is called the _______________.

Mesophyll

Epidermis

Cuticle

33 / 40

Plants that grow in response to gravity exhibit _______________ growth.

Thigmotropism

Gravitropism

Phototropism

34 / 40

The region of a plant stem where growth occurs is called the _______________.

Meristem

Node

Internode

35 / 40

The process by which plants absorb water and nutrients from the soil is called _______________.

Photosynthesis

Transpiration

Absorption

36 / 40

The process by which plants shed leaves in response to changing seasons is called _______________.

Abscission

Transpiration

Dormancy

37 / 40

The process by which water moves through a plant from roots to leaves is called _______________.

Osmosis

Diffusion

Transpiration

38 / 40

The plant hormone responsible for promoting leaf abscission is _______________.

Ethylene

Gibberellin

Abscisic acid

39 / 40

Plants that absorb water and nutrients from the atmosphere are called _______________.

Halophytes

Epiphytes

Xerophytes

40 / 40

The part of a plant embryo that develops into the shoot system is called the _______________.

Cotyledon

Radicle

Plumule

Download Certificate of Quiz Plant Biology

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adminJune 13, 2024Last Updated: October 15, 2024

0 36 2 minutes read