Reproduction in plants – General Science MCQs class 7

general science mcqs with answers

Class 7 General Science, Chapter # 3, MCQs with answers 

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  1. Asexual reproduction in plants is a kind of reproduction in which only ____ parent plant is involved.
  • One
  • Two
  • Three
  • Four 
  1. A sexual reproducation produces plants that are identical to the _____ 
  • Unique 
  • Parent
  • Their male
  • Female
  1. Plants that are identical to the parent because no mixing of male and female gametes take place in _____
  • Sexual reprodution
  • Pollination
  • Asexual reproduction
  • Fertilization 
  1. _____ is known as vegetative reproduction or vegetative propagation.
  • Fertilization
  • Pollination
  • Sexual reprodution
  • Asexual reprodution
  1. When the cut stems or branches of rose and mint are placed in the soil, they develop into new plants are example of:
  • Layering
  • Grafting
  • Runners
  • Cutting
  1. Cutting are grafted on other plants of same kind, to improve quality and quantity of yield is
  • Grafting
  • Cutting
  • Runners
  • Layering
  1. The branches of jasmine and lachi are buried in the soil they develop roots and new plant is formed in
  • Grafting
  • Cutting
  • Runners
  • Layering
  1. The branch which goes under the soil is cut off from the main plant which grows independently in
  • Layering
  • Grafting
  • Runners
  • Cutting
  1. Some plants like strawberries and cactus, stem grows just above the surface of the soil and produces ______
  • Stem
  • Seeds
  • Buds
  • roots
  1. The stem which grow just above of the soil and produces buds, these buds are detached from the parent plant and grow into new plant in
  • Grafting
  • Cutting
  • Runners
  • Layering
  1. Potato tubers are grown and their eyes or buds develop into new plants in method of
  • Grafting
  • Cutting
  • Tubers 
  • Layering
  1. The sex cells are involed in
  • Asexual reproduction
  • Sexual reproduction
  • Both of them
  • None of these
  1.  Male and female sex cells fuse togather to form 
  • Flower
  • Zygote
  • Fruit 
  • roots
  1. The zygote develops into a ____
  • Flower
  • Seed
  • Stem
  • leaves
  1. Flower is the _____ part of the flowering plants
  • Basic
  • Main
  • Reproductive 
  • Non-reproductive 
  1. ____ are usually green and leaf-like structures that protect the inner parts of the flower.
  • Sepals
  • Petals
  • Stamens
  • carpels
  1. ____ are often brightly coloured and leaf-like parts.
  • Sepals
  • Petals
  • Stamens
  • carpels
  1. Sepals and petals are _____ parts of the flower.
  • sexual
  • Asexual
  • same 
  • parent
  1. ____ are the male reproductive organs.
  • Sepals
  • Petals
  • Stamens
  • Carpels 
  1. Each _____  consist of a long filament and anther.
  • Sepals
  • Petals
  • Stamen
  • Carpels 
  1. Pollen grains are produced in the _____
  • Sepals
  • Petals
  • Anther 
  • Carpels
  1. The filament of stamen holds the anther _____
  • Up
  • Down
  • Both of them
  • None of these
  1. _____ is the female reproductive organ
  • Sepals
  • Petals
  • Stamens
  • Carpels
  1. Ovary, style, and stigma are the three parts of each ______
  • Sepals
  • Petals
  • Stamen
  • Carpel
  1. One parents is involved to produce offsprings in _______
  • Asexual reproduction
  • Sexual reproduction
  • Both of them
  • None of these
  1. The offspring arises from the body of parent in
  • Asexual reproduction
  • Sexual reproduction
  • Both of them
  • None of these
  1. The transfer of pollen grains from the anther to the stigma of the carpel is called
  • Fertilization
  • Pollination
  • zygote
  • Asexual reprodution
  1. Pollination is necessary for successful ________
  • Asexual reproduction
  • Sexual reproduction
  • Both of them
  • None of these
  1. ______ is the transfer of pollen grains from the stamen to the stigma of the same flower or to the different flower of the same plant.
  • Cross-pollination 
  • Self pollination
  • Fertilization
  • Fruit formation
  1. _____ is is the transfer of pollen grains from the another to the stigma of a flower on another plant of the same species.
  • Cross-pollination 
  • Self pollination
  • Fertilization
  • Fruit formation
  1. Cross pollination is responsible for bringing ______ among plants
  • Similarities
  • Gametes
  • Variations
  • seeds
  1. ______ flowers are not brightly coloured and may have no nectar.
  • Water pollinated 
  • Birds pollinated
  • Insect pollinated
  • Water pollinated
  1. _____ is the fusion of male and female sex cells, fo form zygote.
  • Fertilization
  • Fruits 
  • Roots 
  • Asexual reprodution
  1. The pollen grains produces a pollen tube after falling on the ____
  • Sepals
  • Petals
  • Stamen
  • Stigma 
  1. The pollen tube grows into the _____ of the carpel and reaches the ovule containing an egg
  • Ovary
  • Stigma
  • Style
  • petals
  1. The _____ nucleus from the pollen grains reaches the egg and a result fertilization occurs
  • Male
  • Female
  • Both
  • None of these
  1. Testa, endosperm and embryo are collectively called the _____
  • Flower
  • Stem
  • Roots
  • Seeds 
  1. _____ are developed from the ovule after fertilization.
  • Flower
  • Stem
  • Roots
  • Seeds 
  1. The wall of the ovary store food and make a _____
  • Flower
  • Fruit 
  • Roots
  • Seeds
  1. Which one of the following is the female sex organ?
  • Stamen
  • Carpel
  • Petal
  • Sepal 
  1. Potato is asexually produced through:
  • Layering
  • Tubers
  • Cutting
  • grafting
  1. Self-pollination occurs between:
  • Same flower
  • Different flower
  • Flowers of different plants
  • Same or different flowers of the same plant
  1. Seed develops from:
  • Ovule 
  • Ovary
  • Anther
  • Both ovary and ovule
  1. Which one of the following is not a reproductive structure:
  • Sepals
  • Carpel 
  • Ovule
  • Pollen grain

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