50 Botany Questions

* What is the main component of the cell wall in fungi?

a) Cellulose
b) Lignin
c) Chitin
d) Pectin
* The term "heterosporous" refers to plants that produce:
a) One type of spore
b) Two different types of spores
c) Three different types of spores
d) No spores
* The process of a plant growing in response to a chemical stimulus is known as:
a) Chemotropism
b) Hydrotropism
c) Phototropism
d) Thigmotropism
* Which part of the flower develops into the seed after fertilization?
a) Ovary
b) Ovule
c) Stigma
d) Anther
* The tissue that provides mechanical support and is composed of dead cells with thick, lignified
walls is:
a) Parenchyma
b) Collenchyma
c) Sclerenchyma
d) Meristem
* Match the following with their phylum:
| Column I | Column II |
|---|---|
| A. Algae | 1. Thallophyta |
| B. Mosses | 2. Bryophyta |
| C. Ferns | 3. Pteridophyta |
| D. Conifers | 4. Gymnosperms |
a) A=1, B=2, C=3, D=4
b) A=2, B=1, C=4, D=3
c) A=3, B=4, C=1, D=2
d) A=4, B=3, C=2, D=1
* Which of the following is an example of a simple leaf?
a) Neem
b) Mango
c) Rose
d) Coconut
* The site of the Kreb's cycle in a plant cell is the:
a) Chloroplast
b) Cytoplasm
c) Mitochondria
d) Nucleus
* The phenomenon of a single plant producing both male and female flowers is called:
a) Dioecious
b) Monoecious
c) Hermaphrodite
d) Unisexual
* What is the primary function of the casparian strip in plant roots?
a) To regulate water absorption
b) To transport food
c) To provide support
d) To perform photosynthesis
* Which of the following is a type of underground stem?
a) Ginger
b) Onion
c) Carrot
d) Potato
* The male reproductive organ of a moss is the:
a) Archegonium
 b) Antheridium
c) Oogonium
d) Sporangium
* The process of the fusion of male and female gametes is called:
a) Pollination
b) Fertilization
c) Germination
d) Transpiration
* What is the primary function of the taproot system?
a) To provide anchorage and absorb water from deep soil
b) To store food
c) To transport water
d) To perform photosynthesis
* The plant hormone that promotes dormancy in seeds and buds is:
a) Auxin
b) Gibberellin
c) Abscisic acid
d) Ethylene
* Match the following with their types of inflorescence:
| Column I | Column II |
|---|---|
| A. Racemose | 1. The main axis continues to grow indefinitely |
| B. Cymose | 2. The main axis terminates in a flower |
| C. Spike | 3. Sessile flowers on an unbranched axis |
| D. Corymb | 4. The lower flowers have longer stalks than the upper ones |
a) A=1, B=2, C=3, D=4
b) A=2, B=1, C=4, D=3
c) A=3, B=4, C=1, D=2
d) A=4, B=3, C=2, D=1
* Which of the following is a type of vascular tissue in plants?
a) Parenchyma
b) Collenchyma
c) Meristem
d) Phloem
* The process of a plant's roots growing towards a source of water is known as:
a) Hydrotropism
b) Geotropism
c) Phototropism
d) Thigmotropism
* The female reproductive organ of a fern is the:
a) Antheridium
b) Archegonium
c) Sporangium
d) Ovary
* The plant tissue responsible for the transport of food from the leaves to the rest of the plant is the:
a) Xylem
b) Phloem
c) Parenchyma
d) Meristem
* The phenomenon of a single plant producing both male and female reproductive structures is
called:
a) Dioecious
b) Monoecious
c) Unisexual
d) Hermaphrodite
* Which of the following is a type of asexual reproduction in plants?
a) Fertilization
b) Pollination
c) Vegetative propagation
d) Germination
* The part of the plant embryo that develops into the stem and leaves is the:
a) Radicle
b) Plumule
c) Cotyledon
d) Endosperm
* The process of a plant's leaves responding to the direction of light is known as:
a) Positive phototropism
b) Negative phototropism
c) Positive geotropism
d) Negative geotropism
* The plant tissue responsible for continuous growth in length is the:
a) Apical meristem
b) Lateral meristem
c) Intercalary meristem
d) Sclerenchyma
* Which of the following is a characteristic of a monocot stem?
a) Presence of vascular cambium
b) Scattered vascular bundles
c) Secondary growth
d) All of the above
* The process of a plant's leaves losing water vapor is called:
a) Photosynthesis
b) Respiration
c) Transpiration
d) Osmosis
* The main site of gas exchange in a plant is the:
a) Roots
b) Stems
c) Stomata
d) Flowers
* The process of a plant's roots growing downwards in response to gravity is known as:
a) Positive geotropism
b) Negative geotropism
c) Positive phototropism
d) Negative phototropism
* The movement of water through the cell walls and intercellular spaces of a plant root is called:
a) Apoplast pathway
b) Symplast pathway
c) Osmosis
d) Diffusion
* Match the following with their classifications:
| Column I | Column II |
|---|---|
| A. Ferns | 1. Vascular, non-seed plants |
| B. Mosses | 2. Non-vascular plants |
| C. Pine trees | 3. Gymnosperms |
| D. Apple trees | 4. Angiosperms |
a) A=1, B=2, C=3, D=4
b) A=2, B=1, C=4, D=3
c) A=3, B=4, C=1, D=2
d) A=4, B=3, C=2, D=1
* The plant hormone that promotes cell division and differentiation is:
a) Auxin
b) Gibberellin
c) Cytokinin
d) Ethylene
* Which of the following is a dicot plant?
a) Rice
b) Wheat
c) Corn
d) Pea
* The process of a plant's roots absorbing water from the soil is called:
a) Transpiration
b) Photosynthesis
c) Respiration
d) Osmosis
* The part of a flower that protects the developing flower bud is the:
a) Petal
b) Sepal
c) Ovary
 d) Stamen
* The transfer of pollen from the anther to the stigma is called:
a) Fertilization
b) Pollination
c) Germination
d) Dispersal
* The process of a plant's leaves wilting due to water loss is called:
a) Photosynthesis
b) Respiration
c) Transpiration
d) Guttation
* Which of the following is a characteristic of Gymnosperms?
a) They produce flowers
b) They have naked seeds
c) They are non-vascular plants
d) They reproduce by spores
* The main site of the light-dependent reactions of photosynthesis is the:
a) Stroma
b) Thylakoids
c) Cytoplasm
d) Mitochondria
* The process of a plant producing its own food is known as:
a) Heterotrophy
b) Autotrophy
c) Saprotrophy
d) Parasitism
* Match the following with their types of venation:
| Column I | Column II |
|---|---|
| A. Parallel venation | 1. Monocot leaves |
| B. Reticulate venation | 2. Dicot leaves |
| C. Pinnate venation | 3. A single main vein with side veins branching off |
| D. Palmate venation | 4. Multiple main veins originating from a single point |
a) A=1, B=2, C=3, D=4
b) A=2, B=1, C=4, D=3
c) A=3, B=4, C=1, D=2
d) A=4, B=3, C=2, D=1
* The plant tissue that transports water and minerals from the roots to the leaves is the:
a) Xylem
b) Phloem
c) Cambium
d) Meristem
* The process of a fruit developing without fertilization is called:
a) Parthenocarpy
b) Apomixis
c) Budding
d) Germination
* Which of the following is a modified root for food storage?
a) Ginger
b) Potato
c) Radish
d) Onion
* The male gamete in a plant is the:
a) Ovule
b) Pollen grain
c) Zygote
d) Embryo
* The process of a plant's stem growing towards light is known as:
a) Positive phototropism
b) Negative phototropism
c) Positive geotropism
d) Negative geotropism
* The smallest known flowering plant is:
a) Rose
b) Wolffia
 c) Sunflower
d) Pea
* The process of a plant's roots growing away from a source of light is known as:
a) Positive phototropism
b) Negative phototropism
c) Positive geotropism
d) Negative geotropism
* What is the primary function of the root hairs?
a) Support
b) Anchorage
c) Water and mineral absorption
d) Photosynthesis
* The process of a plant's roots growing towards gravity is known as:
a) Positive geotropism
b) Negative geotropism
c) Positive phototropism
d) Negative phototropism
50 Zoology Questions
* Which of the following is the primary site of nutrient absorption in the human body?
a) Stomach
b) Small intestine
c) Large intestine
d) Liver
* The process of a larval insect shedding its exoskeleton is an example of:
a) Metamorphosis
b) Hibernation
c) Molting
d) Estivation
* The main function of the white blood cells is to:
a) Transport oxygen
b) Fight infection
c) Clot blood
d) Transport nutrients
* Which of the following is a characteristic of all mammals?
a) Presence of a backbone
b) Absence of a backbone
c) Presence of scales
d) Presence of mammary glands
* The largest bone in the human body is the:
a) Stapes
b) Femur
c) Humerus
d) Tibia
* Match the following with their functions:
| Column I | Column II |
|---|---|
| A. Lungs | 1. Gas exchange |
| B. Kidney | 2. Filter blood and produce urine |
| C. Liver | 3. Produces bile and detoxifies blood |
| D. Pancreas | 4. Produces digestive enzymes and insulin |
a) A=1, B=2, C=3, D=4
b) A=2, B=1, C=4, D=3
c) A=3, B=4, C=1, D=2
d) A=4, B=3, C=2, D=1
* Which of the following is a warm-blooded animal?
a) Lizard
b) Snake
c) Dolphin
d) Frog
* The main function of the enzymes in the human body is to:
a) Transport oxygen
b) Fight infection
c) Speed up chemical reactions
d) Regulate bodily functions
* Which of the following is a disease caused by a virus?
 a) Malaria
b) Typhoid
c) Rabies
d) Tuberculosis
* The process of an animal entering a state of inactivity during a cold period is known as:
a) Hibernation
b) Estivation
c) Migration
d) Molting
* The main function of the small intestine is to:
a) Absorb water
b) Digest food and absorb nutrients
c) Produce hormones
d) Filter blood
* The process of an animal's body maintaining a stable internal environment is called:
a) Thermoregulation
b) Homeostasis
c) Metabolism
d) Respiration
* The part of the brain that controls balance and coordination is the:
a) Cerebrum
b) Cerebellum
c) Medulla oblongata
d) Hypothalamus
* The smallest functional unit of the kidney is the:
a) Neuron
b) Nephron
c) Alveolus
d) Glomerulus
* The nitrogenous waste product in reptiles is:
a) Urea
b) Uric acid
c) Ammonia
d) Amino acids
* Match the following with their respiratory organs:
| Column I | Column II |
|---|---|
| A. Fish | 1. Lungs |
| B. Earthworm | 2. Gills |
| C. Insect | 3. Skin |
| D. Bird | 4. Trachea |
a) A=2, B=3, C=4, D=1
b) A=1, B=2, C=4, D=3
c) A=3, B=4, C=1, D=2
d) A=4, B=2, C=3, D=1
* Which of the following is a type of sexual reproduction?
a) Budding
b) Binary fission
c) Fertilization
d) Fragmentation
* The process of an organism's body breaking down food to produce energy is called:
a) Photosynthesis
b) Respiration
c) Digestion
d) Metabolism
* The part of the heart that receives deoxygenated blood from the body is the:
a) Right atrium
b) Left atrium
c) Right ventricle
d) Left ventricle
* The process of a cell dividing into two daughter cells is called:
a) Mitosis
b) Meiosis
c) Fertilization
d) Respiration
* Which of the following is a characteristic of birds?
a) Scales
b) Feathers
c) Moist, glandular skin
d) Laying eggs without shells
* The most abundant organic compound in the human body is:
a) Water
b) Protein
c) Carbohydrates
d) Lipids
* The site of aerobic respiration in an animal cell is the:
a) Nucleus
b) Cytoplasm
c) Mitochondria
d) Ribosome
* The phenomenon of an organism mimicking another to gain an advantage is called:
a) Camouflage
b) Mimicry
c) Adaptation
d) Symbiosis
* The part of the brain responsible for higher functions such as thought, memory, and voluntary
action is the:
a) Cerebrum
b) Cerebellum
c) Medulla oblongata
d) Hypothalamus
* Which of the following is a characteristic of fish?
a) Gills for respiration
b) Moist, glandular skin
c) Scales
d) Two-chambered heart
* The process of a cell taking in large molecules or food particles is called:
a) Exocytosis
b) Endocytosis
c) Diffusion
d) Osmosis
* The main function of the platelets in the human body is to:
a) Transport oxygen
b) Fight infection
c) Clot blood
d) Transport nutrients
* The smallest structural and functional unit of life is the:
a) Tissue
b) Organ
c) Cell
d) System
* The process of a blood cell producing an antibody in response to an antigen is called:
a) Phagocytosis
b) Immune response
c) Homeostasis
d) Respiration
* Match the following with their types of circulatory systems:
| Column I | Column II |
|---|---|
| A. Fish | 1. Single circulation |
| B. Amphibians | 2. Double circulation |
| C. Birds | 3. Incomplete double circulation |
| D. Mammals | 4. Complete double circulation |
a) A=1, B=3, C=4, D=2
b) A=2, B=1, C=4, D=3
c) A=3, B=4, C=1, D=2
d) A=4, B=3, C=2, D=1
* The process of an animal producing offspring from a single parent is called:
a) Sexual reproduction
b) Asexual reproduction
 c) Fertilization
d) Parthenogenesis
* Which of the following is the simplest animal?
a) Fish
b) Frog
c) Sponge
d) Starfish
* The process of an animal maintaining its body temperature is called:
a) Homeostasis
b) Thermoregulation
c) Metabolism
d) Respiration
* The main function of the lungs is to:
a) Digest food
b) Filter blood
c) Gas exchange
d) Produce hormones
* The hormone responsible for regulating the body's metabolism is:
a) Insulin
b) Adrenaline
c) Thyroxin
d) Estrogen
* The process of an animal's body breaking down food is called:
a) Respiration
b) Digestion
c) Metabolism
d) Assimilation
* Which of the following is a characteristic of reptiles?
a) Feathers
b) Moist, glandular skin
c) Laying eggs with leathery shells
d) Gills for respiration
* The most abundant gas in the atmosphere that animals need for respiration is:
a) Nitrogen
b) Oxygen
c) Carbon dioxide
d) Argon
* The smallest organelle in an animal cell is the:
a) Nucleus
b) Mitochondria
c) Ribosome
d) Lysosome
* Match the following with their types of fertilization:
| Column I | Column II |
|---|---|
| A. External fertilization | 1. Fish |
| B. Internal fertilization | 2. Birds |
| C. Viviparity | 3. Mammals |
| D. Oviparity | 4. Laying eggs |
a) A=1, B=2, C=3, D=4
b) A=2, B=1, C=4, D=3
c) A=3, B=4, C=1, D=2
d) A=4, B=3, C=2, D=1
* The process of a cell using oxygen to produce energy is called:
a) Anaerobic respiration
b) Aerobic respiration
c) Photosynthesis
d) Fermentation
* Which of the following is a coelenterate?
a) Earthworm
b) Jellyfish
c) Starfish
d) Sponge
* The process of a cell removing waste products is called:
a) Excretion
 b) Secretion
c) Respiration
d) Digestion
* The part of the brain responsible for voluntary actions is the:
a) Cerebrum
b) Cerebellum
c) Medulla oblongata
d) Hypothalamus
* The smallest bone in the human body is the:
a) Malleus
b) Incus
c) Stapes
d) Patella
* The process of an organism's body forming new blood cells is called:
a) Hemopoiesis
b) Glycolysis
c) Photosynthesis
d) Respiration
* The study of the classification of living organisms is called:
a) Ecology
b) Genetics
c) Taxonomy
d) Anatomy
* What is the primary function of the kidneys?
a) Digest food
b) Filter blood
c) Produce hormones
d) Transport nutrients
* The process of a cell taking in liquid droplets is called:
a) Phagocytosis
b) Pinocytosis
c) Exocytosis
d) Endocytosis