Sexual Reproduction in Flowering Plants questions
847 published questions with worked solutions.
- Anther is generally
- Callase enzyme, which dissolves the callose of pollen tetrads to separate the four pollen grains, is provided by
- Study of pollen grains is called
- How many meiotic divisions are required for the formation of 100 pollen grains?
- One of the most resistant biological materials present in the exine of pollen grain is
- Which of the following statements about sporopollenin is incorrect?
- _____ of the pollen grain divides to form two male gametes.
- Read the given statements. (i) Outer exine is made up of sporopollenin. (ii) Inner intine is pectocellulosic in nature. (iii)...
- Cells found in a pollen grain when it is shed at the 3-celled stage are
- In a fully developed male gametophyte of flowering plants, the number of nuclei is
- Megasporangium along with its protective integuments is called
- A typical angiospermous ovule is attached to the placenta by means of a stalk called X. The body of the ovule fuses with X in the...
- Match column I with column II and select the correct option from the given codes. | Column-I | Column-II | |---|---| | (A)...
- Mature ovules are classified on the basis of funiculus. If the micropyle lies close to the funiculus, the ovule is termed as
- When the micropyle, chalaza and hilum lie in a straight line, the ovule is said to be
- Select the correct option regarding the ploidy level of different structures of an angiospermous ovule.
- Select the correct statement(s) regarding the structure of a typical angiospermic embryo sac. (i) Egg apparatus is situated...
- What is the function of the filiform apparatus in an angiosperm embryo sac?
- The female gametophyte of a typical dicot at the time of fertilization is
- Polygonum type of embryo sac is
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