Advertisements
Advertisements
प्रश्न
A Plant called X possesses small flower with reduced perianth and versatile anther. The probable agent for pollination would be
पर्याय
water
air
butterflies
beetles
उत्तर
Air
संबंधित प्रश्न
Name the vegetative propagules in the following :
Agave
How does the progeny formed from asexual reproduction differ from those formed by sexual reproduction?
Name the vegetative propagules in the following
Bryophyllum
State two advantages of vegetative propagation.
Answer the following question.
A pollen grain in angiosperm at the time of dehiscence from an anther could be 2-celled or 3-celled.Explain.How are the cells placed within the pollen grain when shed at a 2-celled stage?
Consider the following statement(s)
- In Protandrous flowers, pistil matures earlier
- In Protogynous flowers, pistil matures earlier
- Herkogamy is noticed in unisexual flowers
- Distyle is present in Primula
What is reproduction?
Identify the correctly matched pair
Differentiate between the following:
Budding in yeast and budding in Hydra
In the following question, there are two statements. One is the assertion (A) and the other is reasoning (R). Mark the correct answer as
- Assertion: In-bee society, all the members are diploid except drones.
- Reason: Drones are produced by parthenogenesis.
A B C D
Asexual reproduction is common among ______.
Sugarcane is propagated by ______.
______ refers to the process of asexual reproduction by multiplication of genetically identical copies of individual plants.
Offspring formed by sexual reproduction exhibit more variation than those formed by Asexual reproduction because ______.
Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because ______.
The term ‘clone’ cannot be applied to offspring formed by sexual reproduction because ______.
Which of the following statements is true of yeast?
Which of the following statements is true of Bryophyllum?
A population of genetically identical individuals, obtained from asexual reproduction is ______.
What is common between vegetative reproduction and apomixis?
Which one of the following is the correct match of the product and the producer?
During free cell formation:
Asexual reproduction involves ______
Why do we refer to offspring formed by asexual method of reproduction as clones?
Although potato tuber is an underground plant part, it is considered as a stem. Give two reasons.
Is it possible to consider vegetative propagation observed in certain plants like Bryophyllum, water hyacinth, ginger etc., as a type of asexual reproduction? Give two/three reasons.
Although sexual reproduction is a long drawn, energy-intensive complex form of reproduction, many groups of organisms in Kingdom Animalia and Plantae prefer this mode of reproduction. Give atleast three reasons for this.
