CBSE Questions for Class 7 Biology Reproduction In Plants Quiz 2 - MCQExams.com

The transfer of pollens from anther to stigma of the same flower or different flower of the same plant is called: 
  • Cross-pollination
  • Self-pollination
  • Cross-breeding
  • Hybridization
Why is it important for plants to scatter or disperse their seeds?
  • To avoid overcrowding which results in unhealthy plants
  • To prevent the seeds from becoming parasites to the parent plants
  • To ensure that plants get spread to new places
  • Both A and C
In Bryophyllum, multiplication is most rapid through ?
  • Fruits
  • Seeds
  • Stem cuttings
  • Leaf
The reproductive part of a plant is:
  • Leaf
  • Stem
  • Root
  • Flower
Which part of the plant is involved in sexual reproduction?
  • Root
  • Flower
  • Leaf
  • Stem
The classification of the flowers as unisexual and bisexual is on the basis of:
  • Presence of flowers at the tip of plant
  • Presence of anther and filament of plant
  • Presence of stamen and pistil in the flower
  • Both A and C
Which one of the following parts of the plant when put into the soil is likely to produce a new plant?
  • Pedicel
  • A stem with a node
  • Root hair 
  • Part of a flower
The 'eye' of the potato plant is what 
  • The root is to any plant.
  • The bud is to a flower.
  • The bud is to Bryophyllum leaf.
  • The anther is to stamen.
Which of the following is not correct regarding sexual reproduction?
  • It is usually biparental.
  • Gametes are always formed.
  • It is a slow process.
  • It involves only mitosis.
Asexual reproduction is seen in members of Kingdom.
  • Monera
  • Plantae
  • Animalia
  • All of these
Pollination refers to the:
  • Transfer of pollen from anther to ovary.
  • Transfer of female gametes from anther to stigma.
  • Transfer of pollen from anther to stigma.
  • Transfer of pollen from anther to ovule.
Identify X in the given figure. 
888042_a7e8049c3ce94808a7e06716bd401358.png
  • Roots
  • Eyes
  • Branches
  • Leaves
Statement $$1$$ : Unisexual flowers are either staminate flowers or pistillate flowers.
Statement $$2$$ : Both monoecious and dioecious plants have unisexual flowers.
  • Both statement $$1$$ and $$2$$ are correct
  • Statement $$1$$ is correct but statement $$2$$ is incorrect
  • Statement $$1$$ is incorrect but statement $$2$$ is correct
  • Both statement $$1$$ and $$2$$ are incorrect
Placing seeds on or in the ground for future growth is called_______
  • Fragmentation
  • Budding
  • Sowing
  • Reproduction
If the pollen lands on the stigma of the same flower it is called cross-pollination.
  • True
  • False
The ovule develops and becomes the fruit. 
  • True
  • False
The part of the flower that gives rise to the seed is:
  • Ovary
  • Petal
  • Ovule
  • Pollen grain
Pollen is a very fine powder produced in plants to fertilize other plants of the same species.
  • True
  • False
All organisms multiply or reproduce their ________.
  • Own kind
  • Different kind
  • Both A and B
  • None of the above
Megha and Farheen were performing an experiment on plant reproduction. They both placed a potato in the soil and observed the changes after a few days. Which of the following will they observe?
  • Young roots will rise from the potato.
  • Young shoots will rise from the potato.
  • Potato will increase in number.
  • Both A and B
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