Biology MCQs

Botany MCQs with Answers

What is the scientific study of plants called?
a) Botany
b) Zoology
c) Mycology
d) Ecology
Answer: a) Botany

Which of the following is NOT a plant tissue system?
a) Dermal tissue
b) Ground tissue
c) Vascular tissue
d) Muscular tissue
Answer: d) Muscular tissue

What is the primary function of the root system in plants?
a) Photosynthesis
b) Reproduction
c) Anchoring and absorption
d) Transpiration
Answer: c) Anchoring and absorption

What is the process by which plants convert light energy into chemical energy?
a) Respiration
b) Transpiration
c) Photosynthesis
d) Germination
Answer: c) Photosynthesis

Which of the following is NOT a primary pigment involved in photosynthesis?
a) Chlorophyll a
b) Chlorophyll b
c) Carotenoids
d) Xanthophylls
Answer: d) Xanthophylls

Which plant hormone promotes cell elongation and growth?
a) Gibberellins
b) Abscisic acid
c) Cytokinins
d) Ethylene
Answer: a) Gibberellins

What is the male reproductive organ in flowers called?
a) Pistil
b) Stamen
c) Sepal
d) Petal
Answer: b) Stamen

What is the process by which pollen is transferred from the anther to the stigma of a flower?
a) Pollination
b) Fertilization
c) Germination
d) Seed dispersal
Answer: a) Pollination

Which of the following is a type of modified stem that grows horizontally underground?
a) Rhizome
b) Tuber
c) Bulb
d) Stolon
Answer: a) Rhizome

Which of the following is NOT a type of plant tissue?
a) Epidermis
b) Parenchyma
c) Collenchyma
d) Stomata
Answer: d) Stomata

What is the outermost layer of cells in plant stems and roots called?
a) Cortex
b) Xylem
c) Phloem
d) Epidermis
Answer: d) Epidermis

What is the process by which water moves through a plant from the roots to the leaves?
a) Transpiration
b) Osmosis
c) Photosynthesis
d) Respiration
Answer: a) Transpiration

Which of the following is a type of asexual reproduction in plants?
a) Budding
b) Fragmentation
c) Pollination
d) Fertilization
Answer: b) Fragmentation

What is the term used to describe the loss of water vapor from plant leaves?
a) Transpiration
b) Osmosis
c) Diffusion
d) Respiration
Answer: a) Transpiration

What is the female reproductive organ in flowers called?
a) Stamen
b) Pistil
c) Sepal
d) Petal
Answer: b) Pistil

Which of the following is the primary pigment responsible for capturing light energy in photosynthesis?
a) Chlorophyll
b) Carotenoids
c) Xanthophylls
d) Anthocyanins
Answer: a) Chlorophyll

What is the process by which plants release excess water vapor through small openings in their leaves?
a) Respiration
b) Transpiration
c) Photosynthesis
d) Germination
Answer: b) Transpiration

Which of the following is a plant hormone involved in leaf abscission (shedding)?
a) Gibberellins
b) Abscisic acid
c) Cytokinins
d) Ethylene
Answer: d) Ethylene

What is the process by which plants release oxygen into the atmosphere?
a) Respiration
b) Transpiration
c) Photosynthesis
d) Germination
Answer: c) Photosynthesis

Which of the following is a type of modified stem that stores food reserves?
a) Rhizome
b) Tuber
c) Bulb
d) Stolon
Answer: b) Tuber

What is the term used to describe the specialized cells in plants that allow for gas exchange?
a) Xylem
b) Phloem
c) Stomata
d) Epidermis
Answer: c) Stomata

Which of the following is a type of plant tissue responsible for transporting water and nutrients throughout the plant?
a) Dermal tissue
b) Ground tissue
c) Vascular tissue
d) Meristematic tissue
Answer: c) Vascular tissue

What is the term used to describe the outer protective layer of cells in leaves, stems, and roots?
a) Epidermis
b) Xylem
c) Phloem
d) Cortex
Answer: a) Epidermis

What is the process by which plants produce new individuals from seeds?
a) Germination
b) Pollination
c) Fertilization
d) Reproduction
Answer: a) Germination

Which of the following is a type of plant tissue responsible for photosynthesis?
a) Dermal tissue
b) Ground tissue
c) Vascular tissue
d) Meristematic tissue
Answer: b) Ground tissue

What is the term used to describe the protective covering of a seed?
a) Exocarp
b) Endocarp
c) Seed coat
d) Embryo
Answer: c) Seed coat

Which of the following is a type of asexual reproduction in which a new plant develops from a bud on the parent plant?
a) Budding
b) Fragmentation
c) Pollination
d) Fertilization
Answer: a) Budding

What is the process by which plants convert glucose and oxygen into energy, carbon dioxide, and water?
a) Respiration
b) Transpiration
c) Photosynthesis
d) Germination
Answer: a) Respiration

Which of the following is a type of modified leaf that surrounds and protects the developing flower bud?
a) Stamen
b) Sepal
c) Petal
d) Pistil
Answer: b) Sepal

What is the term used to describe the growth response of plants to light?
a) Phototropism
b) Gravitropism
c) Thigmotropism
d) Hydrotropism
Answer: a) Phototropism

Which of the following is a plant hormone involved in cell division and differentiation?
a) Gibberellins
b) Abscisic acid
c) Cytokinins
d) Ethylene
Answer: c) Cytokinins

What is the term used to describe the reproductive structure of flowering plants?
a) Stamen
b) Pistil
c) Sepal
d) Petal
Answer: b) Pistil

Which of the following is a type of modified stem that grows horizontally above the ground?
a) Rhizome
b) Tuber
c) Bulb
d) Stolon
Answer: d) Stolon

What is the process by which pollen grains fuse with the egg cell to form a zygote?
a) Pollination
b) Fertilization
c) Germination
d) Seed dispersal
Answer: b) Fertilization

Which of the following is a type of plant tissue responsible for protecting the plant from external factors?
a) Dermal tissue
b) Ground tissue
c) Vascular tissue
d) Meristematic tissue
Answer: a) Dermal tissue

What is the term used to describe the process of shedding leaves from a plant?
a) Transpiration
b) Deciduous
c) Photosynthesis
d) Germination
Answer: b) Deciduous

Which of the following is a plant hormone involved in seed dormancy and stress response?
a) Gibberellins
b) Abscisic acid
c) Cytokinins
d) Ethylene
Answer: b) Abscisic acid

What is the term used to describe the opening and closing of stomata in response to environmental factors?
a) Tropism
b) Circadian rhythm
c) Transpiration
d) Guard cell movement
Answer: d) Guard cell movement

Which of the following is a type of plant tissue responsible for water transport?
a) Dermal tissue
b) Ground tissue
c) Xylem
d) Phloem
Answer: c) Xylem

What is the term used to describe the process by which a plant embryo resumes growth?
a) Germination
b) Pollination
c) Fertilization
d) Reproduction
Answer: a) Germination

Which of the following is a type of plant tissue responsible for sugar transport?
a) Dermal tissue
b) Ground tissue
c) Xylem
d) Phloem
Answer: d) Phloem

What is the term used to describe the loss of water vapor from plant leaves?
a) Transpiration
b) Osmosis
c) Diffusion
d) Respiration
Answer: a) Transpiration

Which of the following is a plant hormone involved in fruit ripening and senescence?
a) Gibberellins
b) Abscisic acid
c) Cytokinins
d) Ethylene
Answer: d) Ethylene

What is the process by which plants produce new individuals without the involvement of gametes?
a) Vegetative propagation
b) Fertilization
c) Pollination
d) Germination
Answer: a) Vegetative propagation

Which of the following is a type of modified leaf that is brightly colored and attracts pollinators?
a) Stamen
b) Sepal
c) Petal
d) Pistil
Answer: c) Petal

What is the term used to describe the response of plants to touch or physical contact?
a) Phototropism
b) Gravitropism
c) Thigmotropism
d) Hydrotropism
Answer: c) Thigmotropism

Which of the following is a type of asexual reproduction in which a new plant develops from a fragment of the parent plant?
a) Budding
b) Fragmentation
c) Pollination
d) Fertilization
Answer: b) Fragmentation

What is the process by which plants convert carbon dioxide and water into glucose and oxygen?
a) Respiration
b) Transpiration
c) Photosynthesis
d) Germination
Answer: c) Photosynthesis

Which of the following is a type of modified stem that stores food reserves and consists of swollen, underground structures?
a) Rhizome
b) Tuber
c) Bulb
d) Stolon
Answer: b) Tuber

What is the term used to describe the protective covering of a seed?
a) Exocarp
b) Endocarp
c) Seed coat
d) Embryo
Answer: c) Seed coat

Which of the following is a plant hormone involved in stem elongation and seed germination?
a) Gibberellins
b) Abscisic acid
c) Cytokinins
d) Ethylene
Answer: a) Gibberellins

What is the process by which plants receive pollen from the anthers of one flower to the stigma of another flower of the same species?
a) Pollination
b) Fertilization
c) Germination
d) Seed dispersal
Answer: a) Pollination

Which of the following is a type of plant tissue responsible for providing support and structure?
a) Dermal tissue
b) Ground tissue
c) Vascular tissue
d) Meristematic tissue
Answer: b) Ground tissue

What is the term used to describe the opening and closing of flowers in response to environmental factors?
a) Phototropism
b) Gravitropism
c) Thigmotropism
d) Nyctinasty
Answer: d) Nyctinasty

Which of the following is a type of modified root that stores food reserves?
a) Adventitious root
b) Taproot
c) Fibrous root
d) Storage root
Answer: d) Storage root

What is the term used to describe the process of pollen tube growth towards the ovary in order to deliver sperm cells?
a) Pollination
b) Fertilization
c) Germination
d) Seed dispersal
Answer: b) Fertilization

Which of the following is a plant hormone involved in cell expansion and fruit ripening?
a) Gibberellins
b) Abscisic acid
c) Cytokinins
d) Ethylene
Answer: d) Ethylene

What is the term used to describe the process of bending or growing towards gravity?
a) Phototropism
b) Gravitropism
c) Thigmotropism
d) Hydrotropism
Answer: b) Gravitropism

Which of the following is a type of plant tissue responsible for water and mineral transport?
a) Dermal tissue
b) Ground tissue
c) Xylem
d) Phloem
Answer: c) Xylem

What is the term used to describe the process of shedding mature leaves from a plant?
a) Transpiration
b) Deciduous
c) Photosynthesis
d) Germination
Answer: b) Deciduous

Which of the following is a type of asexual reproduction in which a new plant develops from a lateral branch on the parent plant?
a) Budding
b) Fragmentation
c) Pollination
d) Fertilization
Answer: a) Budding

What is the term used to describe the process of plant growth towards or away from touch or contact with objects?
a) Phototropism
b) Gravitropism
c) Thigmotropism
d) Hydrotropism
Answer: c) Thigmotropism

Which of the following is a plant hormone involved in cell division and lateral bud growth?
a) Gibberellins
b) Abscisic acid
c) Cytokinins
d) Ethylene
Answer: c) Cytokinins

What is the term used to describe the process of pollen transfer from the anther to the stigma of the same flower?
a) Autogamy
b) Geitonogamy
c) Xenogamy
d) Apomixis
Answer: a) Autogamy

Which of the following is a type of plant tissue responsible for sugar storage?
a) Dermal tissue
b) Ground tissue
c) Xylem
d) Phloem
Answer: b) Ground tissue

What is the term used to describe the process of shedding fruits or seeds from a plant?
a) Dispersal
b) Release
c) Germination
d) Reproduction
Answer: a) Dispersal

Which of the following is a plant hormone involved in seed germination and dormancy?
a) Gibberellins
b) Abscisic acid
c) Cytokinins
d) Ethylene
Answer: a) Gibberellins

What is the term used to describe the process of bending or growing towards light?
a) Phototropism
b) Gravitropism
c) Thigmotropism
d) Hydrotropism
Answer: a) Phototropism

Which of the following is a type of plant tissue responsible for protection against pathogens and pests?
a) Dermal tissue
b) Ground tissue
c) Vascular tissue
d) Meristematic tissue
Answer: a) Dermal tissue

What is the term used to describe the process of bending or growing towards water or moisture?
a) Phototropism
b) Gravitropism
c) Thigmotropism
d) Hydrotropism
Answer: d) Hydrotropism

 

 

Leave a Reply

Your email address will not be published. Required fields are marked *

Back to top button