WorksheetsPlant Biology Quiz
Total questions: 30
Worksheet time: 15mins
Which of the following is NOT a function of the leaf?
Food manufacture
Exchange of gases
Absorption of water from soil
Evaporation of water
The stalk of the leaf that connects the blade to the stem is called:
Leaf base
Lamina
Petiole
Rachis
A compound leaf with leaflets arising from a common point is called:
Pinnately compound
Palmately compound
Reticulate compound
Parallel compound
Phyllotaxy refers to:
Shape of the leaf blade
Arrangement of leaves on the stem
Type of venation
Pattern of stomatal distribution
In a decussate arrangement, leaves are:
Single leaf per node in spiral
Three or more per node
Opposite at right angles at successive nodes
Clustered near the base
The male reproductive part of a flower is called:
Gynoecium
Pistil
Androecium
Corolla
The receptacle is defined as:
The outer whorl of green leaves
The base of the flower where parts are attached
The stalk of the stamen
The stalk supporting the flower
A flower that lacks one or more floral parts is classified as:
Complete
Incomplete
Perfect
Sympetalous
The stigma functions as:
Site of ovule production
Support for pollen sacs
Receptive surface for pollen
Food storage organ
Tepals are:
Sepals and petals indistinguishable from each other
Modified stamens
Female reproductive organs
Fused carpels
The scar on the seed coat where it was attached to the fruit wall is:
Micropyle
Hilum
Plumule
Cotyledon
A seed that dries naturally on the mother plant and can tolerate very low moisture content is:
Orthodox
Recalcitrant
Intermediate
Dormant
Which of the following is an example of a recalcitrant seed?
Rice
Corn
Jackfruit
Beans
The plumule in a seed develops into:
Primary root
Protective coat
Embryonic shoot
Cotyledon
Intermediate seeds lose viability more rapidly at:
High temperature
Low temperature
Moderate temperature
Drying conditions
A drupe is characterized by:
Fleshy pericarp with papery carpels
Hard, stony pit surrounding the seed
Dry, one-seeded indehiscent fruit
Fleshy ovary with leathery rind
Which of the following fruits is an aggregate fruit?
Mango
Strawberry
Corn
Pineapple
A samara is a type of fruit that:
Has a leathery rind
Splits open along two sutures
Has membranous wings for dispersal
Develops from an inflorescence
Parthenocarpic fruits are:
Fruits that develop without fertilization
Fruits that develop only after cross-pollination
Fruits with double fertilization
Fruits with multiple carpels
Stimulative parthenocarpy requires:
Pollination or external stimulation
No pollination at all
High temperature only
Vegetative propagation
Who first classified plants based on structure and size?
Carolus Linnaeus
Aristotle
Mendel
Darwin
The phylogenetic system of classification is based on:
Convenience
Morphological characters only
Evolutionary relationships
Economic use
An annual crop completes its life cycle in:
One year or less
Two years
More than two years
Several decades
A plant that grows on another but is not parasitic is called:
Saprophyte
Parasite
Epiphyte
Lithophyte
Biennial plants are characterized by:
Dying after flowering in the first year
Completing life cycle in one season
Growing two seasons, vegetative in first and reproductive in second
Living indefinitely
A cover crop is primarily used to:
Trap pests away from the main crop
Prevent soil erosion and suppress weeds
Provide direct feed for animals
Produce latex
Which of the following is an example of a xerophyte?
Rice
Lotus
Cactus
Fern
Sciophytes are plants that thrive in:
Full sunlight
Low light or shade
Salty environments
Waterlogged soils
A trap crop functions by:
Providing shade for the main crop
Attracting pests away from the main crop
Enhancing soil fertility
Reducing transpiration
Which of the following is an example of an ecological classification?
Root crops
Fiber crops
Halophytes
Beverage crops
