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प्रश्न
A Plant called X possesses small flower with reduced perianth and versatile anther. The probable agent for pollination would be
विकल्प
water
air
butterflies
beetles
उत्तर
Air
संबंधित प्रश्न
Write the name of the organism that is referred to as the 'Terror of Bengal'.
Distinguish between asexual and sexual reproduction
Why is vegetative reproduction also considered as a type of asexual reproduction?
Differentiate between a zoospore and a zygote.
Identify the correctly matched pair
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 are clones?
Why are the offsprings of oviparous animal at a greater risk as compared to offsprings of viviparous organisms?
What is the difference between syngamy and fertilization?
In which type of parthenogenesis are only males produced?
The mode of reproduction in bacteria is by ______
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: Offsprings produced by asexual reproduction are genetically identical to the parent.
- Reason: Asexual reproduction involves only mitosis and no meiosis.
A B C D
Asexual reproduction is common among ______.
In protists and monerans, asexual reproduction occurs by ______.
Fleshy buds produced in the axil of leaves, which grow to form new plants when shed and fall on the ground are called ______.
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 ______.
Amoeba and Yeast reproduce asexually by fission and budding respectively, because they are ______.
Which of the following statements is true of yeast?
Which of the following statements is true of Hydra?
A population of genetically identical individuals, obtained from asexual reproduction is ______.
Vegetative propagation in mint occurs ______.
What is common between vegetative reproduction and apomixis?
Which one of the following is the correct match of the product and the producer?
Although potato tuber is an underground plant part, it is considered as a stem. Give two reasons.
Match the organisms given in Column-’A’ with the vegetative propagules given in column ‘B’.
| Col. A | Col. B | ||
| i. | Bryophyllum | a) | offset |
| ii. | Agave | b) | eyes |
| iii. | Potato | c) | leaf buds |
| iv. | Water hyacinth | d) | bulbils |
Draw the sketches of a zoospore and a conidium. Mention two dissimilarities between them and atleast one feature common to both structures.
