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questions & answers.
Q1.
Multiple choice questions.
- The kind of reproduction in which a new plant grows from the body parts of a plant is called:
- vegetative propagation
- spore formation
- sexual reproduction
- conjugation
- Which of the following plants grows from the bulbs of the mother plant?
- Gladioli
- Lilies
- Tuberoses
- All the above
- The buds of a potato are also called:
- radicle
- plumule
- eyes
- bulb
- The individual unit of androecium is called
- carpel
- stamen
- sepal
- petal
- Which part of a flower encloses the rest of the flower parts in the bud stage?
- Sepals
- Petals
- Stamens
- Carpels
- The anther of a flower contains a yellow powder like substance called:
- ovule
- anthrospore
- pollen grain
- none of these
- The outer covering which protects the baby plant inside the seed is called the
- seedling
- seed coat
- cotyledons
- embryo
- The coconut seed is dispersed by
- water
- animal
- explosion
- wind
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- (a) vegetative propagation
- (d) All the above
- (c) eyes
- (b) stamen
- (a) Sepals
- (c) pollen grain
- (b) seed coat
- (a) water
Q2.
Fill in the blanks.
leaves, wind, flower, radicle, kharif, organic |
- ______________ fertilizers are obtained from decaying plants.
- Crops grown in the summer season are called ______________ crops.
- Seeds of cotton are dispersed by ______________.
- The ______________ develops into a root.
- ______________ is the reproductive organ of a plant.
- Bryophyllum ______________ produce buds along their margins.
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- Organic
- kharif
- wind
- radicle
- Flower
- leaves
Q3.
Describe the different parts of a flower.
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answer not shownQ4.
What is seed dispersal? Name two agents of dispersal.
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Seed dispersal is the process by which seeds are spread away from the parent plant to grow in new locations. Two agents of dispersal are wind and animals.
Q5.
Name the conditions necessary for germination.
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