Instructions: Choose the correct option for each question.
- How many main whorls are present in a typical bisexual flower?
a) 2 b) 3 c) 4 d) 5
- The outermost whorl of a flower is called:
a) Corolla b) Calyx c) Androecium d) Gynoecium
- The green, leaf-like structures that protect the flower bud are:
a) Petals b) Sepals c) Stamens d) Carpels
- The main function of petals is to:
a) Protect the bud b) Produce pollen c) Attract pollinators d) Store food
- The male reproductive part of a flower is called:
a) Gynoecium b) Androecium c) Corolla d) Calyx
- Each stamen consists of:
a) Anther only b) Filament only c) Anther and filament d) Stigma and style
- The sac-like structure that produces pollen is:
a) Filament b) Anther c) Stigma d) Style
- The female reproductive part of a flower is:
a) Stamen b) Anther c) Gynoecium d) Filament
- The receptive tip that receives pollen is called:
a) Style b) Ovary c) Stigma d) Anther
- The ovary contains:
a) Pollen grains b) Nectar c) Ovules d) Stamens
- The transfer of pollen from anther to stigma is called:
a) Fertilization b) Germination c) Pollination d) Reproduction
- When pollen transfers within the same flower, it is:
a) Cross-pollination b) Self-pollination c) Wind pollination d) Water pollination
- Cross-pollination occurs between:
a) Same flower b) Different flowers of same plant c) Different plants of same species d) Different species
- Wind pollination is called:
a) Entomophily b) Hydrophily c) Anemophily d) Zoophily
- Water pollination is termed as:
a) Anemophily b) Hydrophily c) Entomophily d) Ornithophily
- Insect pollination is known as:
a) Anemophily b) Hydrophily c) Entomophily d) Chiropterophily
- Wind-pollinated flowers are typically:
a) Large and colorful b) Small and inconspicuous c) Fragrant d) Rich in nectar
- Which is an example of wind-pollinated plant?
a) Rose b) Hibiscus c) Maize d) Sunflower
- Insect-pollinated flowers are usually:
a) Small and dull b) Large and colorful c) Without nectar d) Odorless
- The fusion of male and female gametes is called:
a) Pollination b) Fertilization c) Germination d) Dispersal
- After fertilization, the ovary develops into:
a) Seed b) Fruit c) Root d) Leaf
- After fertilization, ovules develop into:
a) Fruits b) Flowers c) Seeds d) Roots
- The fruit wall is called:
a) Testa b) Pericarp c) Endosperm d) Cotyledon
- Fruits with dry pericarp at maturity are:
a) Fleshy fruits b) Dry fruits c) Simple fruits d) Compound fruits
- Which is an example of dry fruit?
a) Mango b) Apple c) Pea pod d) Orange
- The outermost layer of pericarp is:
a) Mesocarp b) Endocarp c) Epicarp d) Exocarp
- The middle fleshy layer of fruit is:
a) Epicarp b) Mesocarp c) Endocarp d) Pericarp
- The innermost layer of pericarp is:
a) Epicarp b) Mesocarp c) Endocarp d) Exocarp
- A fertilized ovule is called:
a) Fruit b) Flower c) Seed d) Embryo
- The outer protective layer of seed is:
a) Pericarp b) Seed coat c) Cotyledon d) Endosperm
- The embryonic root is called:
a) Plumule b) Radicle c) Cotyledon d) Hypocotyl
- The embryonic shoot is termed:
a) Radicle b) Plumule c) Cotyledon d) Epicotyl
- Seed leaves are called:
a) Sepals b) Petals c) Cotyledons d) Stamens
- Seeds with one cotyledon are:
a) Dicots b) Monocots c) Polycots d) Acotyledons
- Seeds with two cotyledons are:
a) Monocots b) Dicots c) Polycots d) Acotyledons
- Which is a monocot seed?
a) Bean b) Pea c) Rice d) Gram
- Which is a dicot seed?
a) Maize b) Rice c) Wheat d) Bean
- The process by which seed sprouts is:
a) Pollination b) Fertilization c) Germination d) Photosynthesis
- For germination, seeds require:
a) Only water b) Only air c) Only warmth d) Water, air, and warmth
- In epigeal germination:
a) Cotyledons remain below soil b) Cotyledons come above soil c) Only roots emerge d) Nothing emerges
- In hypogeal germination:
a) Cotyledons come above soil b) Cotyledons remain below soil c) Seeds don't germinate d) Only leaves emerge
- Bean shows which type of germination?
a) Hypogeal b) Epigeal c) Aerial d) Underground
- Maize shows which type of germination?
a) Epigeal b) Hypogeal c) Aerial d) Surface
- The part of flower stalk to which flower parts are attached:
a) Pedicel b) Receptacle c) Peduncle d) Rachis
- Nectar guides help in:
a) Protection b) Attracting pollinators c) Seed dispersal d) Water storage
- Large and feathery stigmas are found in:
a) Insect-pollinated flowers b) Water-pollinated flowers c) Wind-pollinated flowers d) Self-pollinated flowers
- Sticky pollen is found in:
a) Wind-pollinated flowers b) Insect-pollinated flowers c) Water-pollinated flowers d) All flowers
- Vallisneria is pollinated by:
a) Wind b) Water c) Insects d) Birds
- The male gametes travel through:
a) Style b) Pollen tube c) Filament d) Anther
- The zygote develops into:
a) Seed coat b) Fruit c) Embryo d) Endosperm
- Which part of flower withers after fertilization?
a) Ovary b) Ovules c) Petals d) All parts
- The edible part of mango is:
a) Epicarp b) Mesocarp c) Endocarp d) Seed
- The stone of mango is:
a) Epicarp b) Mesocarp c) Endocarp d) Seed
- In orange, the endocarp is:
a) Hard and stony b) Membranous c) Fleshy d) Absent
- Food for developing embryo is stored in:
a) Seed coat b) Cotyledons c) Radicle d) Plumule
- The first structure to emerge during germination is:
a) Plumule b) Radicle c) Cotyledon d) Leaf
- Oxygen is required during germination for:
a) Photosynthesis b) Respiration c) Transportation d) Protection
- Enzymes become active during germination due to:
a) Light b) Water c) Air d) Soil
- The hypocotyl is the part of stem:
a) Above cotyledons b) Below cotyledons c) Between leaves d) In roots
- Groundnut is an example of:
a) Fleshy fruit b) Dry fruit c) Simple fruit d) Multiple fruit
- Tomato is classified as:
a) Dry fruit b) Fleshy fruit c) Aggregate fruit d) Composite fruit
- The function of filament is to:
a) Produce pollen b) Support anther c) Receive pollen d) Store nectar
- Cross-pollination is advantageous because it:
a) Requires less energy b) Produces genetic variation c) Is faster d) Needs no agents
- Self-pollination results in:
a) Genetic variation b) Hybrid vigor c) Genetic uniformity d) Sterile offspring
- Pollen grains contain:
a) Female gametes b) Male gametes c) Zygotes d) Seeds
- The style connects:
a) Anther to filament b) Stigma to ovary c) Ovary to ovules d) Petals to sepals
- Bisexual flowers contain:
a) Only male parts b) Only female parts c) Both male and female parts d) Neither male nor female parts
- The process after fertilization where flower changes to fruit is:
a) Pollination b) Germination c) Fruit development d) Seed formation
- Unwettable pollen is characteristic of:
a) Wind pollination b) Water pollination c) Insect pollination d) Self pollination
- Pine is pollinated by:
a) Insects b) Water c) Wind d) Birds
- Hibiscus is pollinated by:
a) Wind b) Water c) Insects d) Self
- The receptacle is part of:
a) Stem b) Root c) Leaf d) Flower
- After germination, radicle develops into:
a) Shoot system b) Root system c) Leaf d) Flower
- After germination, plumule develops into:
a) Root system b) Shoot system c) Fruit d) Seed
- Water is needed for germination to:
a) Provide food b) Soften seed coat c) Provide minerals d) Make soil fertile
- Temperature affects germination by influencing:
a) Seed color b) Enzyme activity c) Seed size d) Soil type
- The part of embryo that emerges first during germination:
a) Cotyledon b) Plumule c) Radicle d) Hypocotyl
- In wheat, the pericarp is:
a) Fleshy b) Dry c) Juicy d) Soft
- The transfer of food from endosperm is done by:
a) Radicle b) Plumule c) Cotyledons d) Seed coat
- Grasses are examples of:
a) Insect pollination b) Water pollination c) Wind pollination d) Self pollination
- The bright colors of petals are for:
a) Protection b) Attracting pollinators c) Photosynthesis d) Storing food
- Spiny pollen is found in:
a) Wind-pollinated flowers b) Insect-pollinated flowers c) Water-pollinated flowers d) All flowers
- The optimal conditions for germination include:
a) Darkness only b) Light only c) Moisture, warmth, and air d) Cold and dry conditions
- Sunflower is an example of:
a) Wind pollination b) Water pollination c) Insect pollination d) Self pollination
- The embryo consists of:
a) Only radicle b) Only plumule c) Radicle and plumule d) Only cotyledons
- Pea is an example of:
a) Monocot b) Dicot c) Polycot d) Non-cotyledon
- The seed coat protects:
a) Fruit b) Flower c) Embryo d) Root
- Hydrilla is pollinated by:
a) Wind b) Water c) Insects d) Animals
- The function of sepals is mainly:
a) Attraction b) Protection c) Reproduction d) Nutrition
- Large amounts of pollen are produced by:
a) Insect-pollinated flowers b) Water-pollinated flowers c) Wind-pollinated flowers d) Self-pollinated flowers
- The apple we eat is mainly:
a) Epicarp b) Mesocarp c) Endocarp d) Seed
- Gram seed is:
a) Monocot b) Dicot c) Polycot d) Acotyledon
- The stalk of anther is:
a) Style b) Stigma c) Filament d) Pedicel
- Rose is pollinated by:
a) Wind b) Water c) Insects d) Self
- The part of pistil that contains ovules:
a) Stigma b) Style c) Ovary d) Filament
- Fertilization occurs in:
a) Anther b) Stigma c) Ovule d) Petal
- The skin of fruit is:
a) Mesocarp b) Endocarp c) Epicarp d) Pericarp
- Cotyledons provide:
a) Protection b) Support c) Food d) Water
- Maize grain is actually a:
a) Seed b) Fruit c) Root d) Stem
- The development of seed from ovule occurs after:
a) Pollination b) Fertilization c) Germination d) Fruit formation
Instructions: Write brief answers in one or two sentences.
- Define pollination.
- What is the function of sepals?
- Name the male reproductive part of a flower.
- What are the two parts of a stamen?
- Define fertilization.
- What develops from the ovary after fertilization?
- What develops from ovules after fertilization?
- Name the three layers of pericarp.
- What is germination?
- Name the embryonic root.
- Name the embryonic shoot.
- What are cotyledons?
- Define self-pollination.
- Define cross-pollination.
- What is anemophily?
- What is entomophily?
- What is hydrophily?
- Name two wind-pollinated plants.
- Name two insect-pollinated plants.
- What is the function of petals?
- What is the receptacle?
- Name the female reproductive part of a flower.
- What are the three parts of carpel?
- What is the function of stigma?
- What is the function of style?
- What does the ovary contain?
- Where are pollen grains produced?
- What is the function of filament?
- What is a bisexual flower?
- Name the four whorls of a flower.
- What is epicarp?
- What is mesocarp?
- What is endocarp?
- What is pericarp?
- Give two examples of dry fruits.
- Give two examples of fleshy fruits.
- What is seed coat?
- What is an embryo?
- What are monocot seeds?
- What are dicot seeds?
- Give two examples of monocot seeds.
- Give two examples of dicot seeds.
- What is epigeal germination?
- What is hypogeal germination?
- Name three conditions required for germination.
- What is the function of radicle?
- What is the function of plumule?
- What is the function of cotyledons?
- Why do wind-pollinated flowers produce large amounts of pollen?
- Why are insect-pollinated flowers colorful?
- What happens to petals after fertilization?
- What happens to stamens after fertilization?
- Why do wind-pollinated flowers lack fragrance?
- Why do insect-pollinated flowers have sticky pollen?
- What is the function of nectar?
- What are nectar guides?
- Why are wind-pollinated flowers small?
- What type of stigma do wind-pollinated flowers have?
- What makes pollen grains suitable for wind dispersal?
- What makes pollen grains suitable for insect dispersal?
- Why is cross-pollination beneficial?
- What is the disadvantage of self-pollination?
- How does water help in germination?
- How does temperature affect germination?
- Why is oxygen needed for germination?
- What emerges first during germination?
- What is hypocotyl?
- What is epicotyl?
- Where does fertilization take place?
- What is a zygote?
- From what does the embryo develop?
- What protects the seed?
- What stores food in dicot seeds?
- What stores food in monocot seeds?
- How many cotyledons does a bean seed have?
- How many cotyledons does a maize seed have?
- What is the edible part of an apple?
- What is the stone in a mango?
- What type of endocarp does an orange have?
- Why are fruits important for plants?
- How do fruits help in seed dispersal?
- What withers away after fruit formation?
- What is the difference between a fruit and a seed?
- Why do some flowers have bright colors?
- Why do some flowers have fragrance?
- What attracts insects to flowers?
- How is pollen transferred in wind pollination?
- How is pollen transferred in water pollination?
- What type of pollen is found in water-pollinated plants?
- Give an example of water-pollinated plant.
- What happens when pollen grain reaches stigma?
- What grows from the pollen grain?
- Through what structure do male gametes travel?
- What forms when male and female gametes fuse?
- What is the fate of the zygote?
- Why do seeds need a protective coat?
- What activates enzymes during germination?
- What softens the seed coat during germination?
- What provides energy for germination?
- How do cotyledons help in germination?
Instructions: Write detailed answers in 2-3 sentences or provide explanations with examples.
- Describe the structure and function of the androecium.
- Explain the structure and function of the gynoecium.
- Compare self-pollination and cross-pollination with one example each.
- Describe the characteristics of wind-pollinated flowers with two examples.
- Describe the characteristics of insect-pollinated flowers with two examples.
- Explain the process of fertilization in flowering plants.
- Describe what happens to different parts of the flower after fertilization.
- Differentiate between dry fruits and fleshy fruits with examples.
- Describe the three layers of pericarp in fleshy fruits.
- Compare monocotyledonous and dicotyledonous seeds with examples.
- Explain the conditions required for seed germination and why each is important.
- Compare epigeal and hypogeal germination with examples.
- Describe the structure of a seed and the function of each part.
- Explain how wind pollination is adapted in flowering plants.
- Explain how insect pollination is adapted in flowering plants.
- Describe the journey of pollen from anther to fertilization.
- Explain the importance of cross-pollination over self-pollination.
- Describe the formation of fruit from flower after fertilization.
- Explain the role of different agents in cross-pollination.
- Describe the structure of embryo and function of its parts.
- Explain how water-pollinated flowers are adapted for their mode of pollination.
- Compare the pollen characteristics of wind and insect-pollinated flowers.
- Describe the changes that occur in a flower after successful pollination and fertilization.
- Explain the significance of cotyledons in seed germination.
- Describe how the structure of different types of fruits helps in seed protection and dispersal.
Instructions: Write comprehensive answers with proper explanations, examples, and diagrams where necessary.
- Describe the four whorls of a flower in detail, including their structure and functions.
- Explain the different types of pollination and describe the adaptations of flowers for each type.
- Describe the complete process of fertilization in flowering plants, from pollination to zygote formation.
- Explain the formation of fruits and seeds after fertilization, describing the changes in different flower parts.
- Compare and contrast the characteristics of wind-pollinated and insect-pollinated flowers with suitable examples.
- Describe the structure of a seed and explain the process of germination with necessary conditions.
- Explain the different types of seed germination with examples and describe what happens during each type.
- Describe the structure and classification of fruits, explaining the significance of different fruit types.
- Explain the agents of cross-pollination and describe the adaptations of flowers for each agent.
- Describe the male and female reproductive parts of a flower and explain their roles in reproduction.
- Explain how the structure of wind-pollinated flowers is adapted to their mode of pollination, giving specific examples.
- Describe the journey from pollination to seed formation, explaining each step in detail.
- Compare monocotyledonous and dicotyledonous seeds in terms of structure, germination, and examples.
- Explain the importance of different environmental conditions for seed germination and describe what happens if any condition is absent.
- Describe the structure of different types of fruits and explain how each type helps in seed protection and dispersal.
- Explain the process of cross-pollination by insects, describing the adaptations of both flowers and insects.
- Describe the formation and structure of the embryo, explaining the development from zygote to mature embryo.
- Explain the advantages and disadvantages of self-pollination and cross-pollination with suitable examples.
- Describe the complete life cycle of a flowering plant from pollination to germination of the next generation.
- Explain the structural adaptations of water-pollinated flowers and compare them with wind and insect-pollinated flowers.
- Describe the process of fruit development from flower, explaining the fate of each floral part.
- Explain the role of environmental factors in pollination and describe how different pollinators are attracted to flowers.
- Describe the internal structure of a seed and explain how each part contributes to the development of a new plant.
- Explain the significance of sexual reproduction in flowering plants and describe the mechanisms that ensure genetic diversity.
- Describe the different methods of seed dispersal and explain how fruit structure is related to the method of dispersal.
BioNotes