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प्रश्न
Write the names of those parts of a flower which serve the same function as the following do in the animals :
(i) testis,
(ii) sperm,
(iii) ovary,
(iv) egg
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उत्तर
(i) Testis : Anther
In animals, testis is the male reproductive organ that produces sperms. Similarly, in plants, anther is the male reproductive part that produces pollen grains.
(ii) Sperm : Pollen grains
Sperm is a male gamete in animals. In plants, pollens are male gametes. The generative cell of pollen divides to produce two nuclei called male gametes.
(iii) Ovary : Ovary
In animals, ovary is the female reproductive organ that produces eggs. Similarly, in plants, ovary is the female reproductive organ that contains ovules.
(iv) Egg : Ova/Ovum
Eggs in animals are also called ova. In plants, eggs are present inside the female gametophyte, i.e., ovule.
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संबंधित प्रश्न
"The chromosomal number of the sexually producing parents and their offspring is the same." Justify this statement.
Give one example of a unisexual flower.
Name the swollen lower part of the carpel.
In tobacco plant, the male gametes have 24 chromosomes.
What is the number of chromosomes in the zygote?
Fill in the blanks:
A carpel consists of ________ , ________ and ________.
Which of the following is not an unisexual flower?
a) Coconut
b) Papaya
c) Gulmohor
d) Maize
Find the odd one out:
Gloriosa superba exhibits ______.
Variations occur as a result of ______
In a bisexual flower inspite of the young stamens being removed artificially, the flower produces fruit. Provide a suitable explanation for the above situation.
