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प्रश्न
Give one example of a unisexual flower.
Give two examples of ‘unisexual flowers’.
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उत्तर
- Cucumber
- Pumpkin
- Watermelon
- Papaya
Notes
Student can refer to the provided solution based on their preferred question.
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संबंधित प्रश्न
A student while observing an embryo of a pea seed in the laboratory listed various parts of the embryo as given below:
Testa, Tegmen, Radicle, Plumule, Micropyle, Cotyledon.
On examining the list the teacher remarked that only three parts are correct. Select three correct parts from the above list:
(a) Testa, Radicle, Cotyleddon
(b) Tegmen, Radicle, Micropyle
(c) Cotyledon, Plumule, Testa
(d) Radicle, Cotyledon, Plumule
A flower may have either male or female reproductive parts. Such a flower is called ______.
Fill in the following blank with suitable word :
The name of the structure in the flower in which the male gamete is formed is...........
How is the process of pollination different from fertilization?
Explain the term 'fertilisation'.
Name the part of a seed which grows into root.
In tobacco plant, the male gametes have 24 chromosomes.
What is the number of chromosomes in the female gamete?
Which of the following is the correct sequence of events of sexual reproduction in a flower?
(a) pollination, fertilisation, seed, embryo
(b) seed, embryo, fertilisation, pollination
(c) pollination, fertilisation, embryo, seed
(d) embryo, seed, pollination, fertilisation
What are the male and female gametes in a flowering plant?
Draw a diagram of the longitudinal section of a flower and label on it sepal, petal, ovary and stigma.
Draw a diagram of the longitudinal section of a flower and label the following parts.
Give scientific reason.
Fertilization in plants is called double fertilization.
Observe the figure below. Write functions of the labelled parts.
How many middle layers are generally present in the wall of the anther lobes?
The 3-celled egg apparatus at the micropylar end comprises of ______
Sperm and egg nuclei fuse due to ______.
In human beings, fertilization occurs in the ______
What are the agents for pollination?
Sexual maturation of reproductive tissues and organs are necessary link for reproduction. Elucidate.
- Assertion: Primary endosperm nucleus is diploid.
- Reason: It is the product of double fertilisation.
