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Friday, March 14, 2014

Chapter 12 Reproduction in plants

One word

Q- The instinct, which helps product of new ones to similar to parents?

   A- Survival  instinct

Q- The process by which yeast cells multiply is called?

A-Budding

Q-The process in which one cell divides into two, two into four and so on is called?

A-Binary fusion

Q- Transfer of pollen grains from anther to stigma of a pistil is called?

A- Pollination

Q-Process of fusion of male gamete with a female gamete is called?

Fertilization

Q- Name the product of fertilization?

A-Zygote

Q-Who are the carrier of pollens to different plants

A-Pollinators

Q-New organism coming from single parent is called?

A- Asexual

Q-Development of a fruit without pollination or fertilization?

A-Parthenocarphy

Q-Bryophyllum is an example of?

A-leaf buds propagation

Q-The plant which bears unisexual flowers is called?

A-papaya

Q-Food in ginger is stored in which part?

A-stem

Q-Reproduction of budding is found in which plant?

A-Yeast

Q-Pollen grains are formed in which part of plant?

A-Anther

Q- Reproduction by fragmentation is common in which plant?

A-Spirogyra

Q-Colorful and fragrant flowers with nectarines are pollinated by ?

A-Insects

Q-Fruit on a plant develops from?

A-Carpel

Q-List the various agents of dispersal of seeds?

A-Wind, animal, explosion, water.

Q-Examples of seeds which are diperssed by animals?

A-Xanthium and Urena

Q-Seeds are dispersed which are sudden jerks?

A-Castor and Balsam

Q-Mention two modes of reproduction?

A-Sexual and asexual

Q-Methods of asexual reproduction?

A-Fragmentation, budding, spore formation, vegetative propagation.

Q-Name the reproductive part of plant?

A-Flower

Q-Mention the types of pollination?

A-Self pollination and cross pollination


Q-Mention the Benefit of seed dispersal?
  • Prevent overcrowding
  • Avoid completion for sunlight,water and  minerals
  • Invade new habitats
  • A spore producing plant
  • Bread mould

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