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Consider the following statements regarding sexual reproduction in plants: 1. Reproduction in plants takes place only through asexual methods. 2. Reproduction in spirogyra takes place through the process of fragmentation. 3. Vegetative propagation in plants can be achieved only by natural method. Which of the statements from above is/are correct?

Consider the following statements regarding sexual reproduction in plants: 1. Reproduction in plants takes place only through asexual methods. 2. Reproduction in spirogyra takes place through the process of fragmentation. 3. Vegetative propagation in plants can be achieved only by natural method. Which of the statements from above is/are correct? Correct Answer 2 only

  • There are two methods by which reproduction occurs in plants by Sexual and Asexual methods. Hence statement 1 is incorrect.
  • The reproduction in which only one parent plays a role, and in which cohesion (combination) of two nuclei do not take place is known as ‘Asexual Reproduction’.
  • The reproduction in which one new cell is formed by the fusion of two-parent cells from two different parents is known to be ‘Sexual Reproduction.
  • It is a process in which a parent organism breaks into fragments, each capable of growing independently into a new organism. This type of reproduction is seen in the Spirogyra. Hence statement 2 is Correct.
  • Vegetative propagation is a type of asexual reproduction in which new plants are produced from roots, stems, leaves, and buds.
  • Since reproduction is through the vegetative parts of the plant, it is known as ‘vegetative propagation.
  • Vegetative propagation in plants can occur both naturally or also can be artificially induced by horticulturists. Hence statement 3 is incorrect.

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2. Organisms which reproduce by fission are yeast and bacteria.
3. Reproduction by budding occurs in yeasts.
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Which of the following statements regarding static methods are correct?
1. Static methods are difficult to maintain, because you can not change their implementation.
2. Static methods can be called using an object reference to an object of the class in which this method is defined.
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4. Static methods do not have direct access to non-static methods which are defined inside the same class.