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प्रश्न
__________ is present in unisexual flower.
पर्याय
Both androecium and gynoecium
Only androecium
Only gynoecium
Androecium or gynoecium
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उत्तर
Androecium or gynoecium is present in unisexual flower.
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संबंधित प्रश्न
Match the following:
| Column A | Column B |
| (i) Stigma | (a) Neuron |
| (ii) Pepsin | (b) Carpel |
| (iii) Dendrites | (c) Protein |
| (d) Stamen |
Name the parts A, B and C shown in the following diagram and state one function of each.
A student identified the various parts of an embryo of a gram seed and listed them as given below :
(I) Testa
(II) Plumule
(III) Radicle
(IV) Cotyledon
(V) Tegmen
Out of these the actual parts of the embryo are :
(A) I, II, III
(B) II, III, IV
(C) III, IV, V
(D) II, IV, V
Name the male part of the flower.
Where are the pollen grains produced?
Where are a plant's sex organs located?
What is the name of female part of a flower?
Where is the male gamete formed in flowering plants?
Fill in the following blank with suitable word :
Pollen grains contain ............ gametes of a plant.
Fill in the following blank with suitable word :
Ovules contain ......... gametes of a plant.
Fill in the following blank with suitable word :
Flowering plants reproduce by ...........method of reproduction.
Fill in the following blank with suitable word :
The.......... at the base of the carpel contains egg cells.
Draw a neat sketch of the stamen of a flower. Mark in it filament and anther.
Explain the terms 'self pollination'
In the figure given alongside, the parts marked A, B and C are sequentially :
(a) cotyledon, plumule and radicle
(b) plumule, radicle and cotyledon
(c) plumule, cotyledon and radicle
(d) radicle, cotyledon and plumule
Put a tick mark (✓) against the correct alternative in the following statement
Reproductive whorls of a flower are:
What is a flower ? Draw a neat labelled diagram showing the L.S. of a typical flower.
Fill in the blanks:
A carpel consists of ________ , ________ and ________.
Identify A, B, C and D in the given diagram and write their names.
Draw a diagram of the longitudinal section of a flower and label on it sepal, petal, ovary and stigma.
What is phototropism?
Fill in the blanks and rewrite the completed statements:
Lymph flows in _______________ direction.
Answer the following question.
How does suitable pollination lead to fertilization?
Pollen grains are formed by _________ division in locules of anthers.
Give scientific reason.
Fertilization in plants is called double fertilization.
The male reproductive part of a flower is ______.
Write the events involved in the sexual reproduction of a flowering plant.
a. Discuss the first event and write the types.
b. Mention the advantages and the disadvantages of that event.
The process of release of eggs from the ovary is called ______
Pollen grains are produced by ______
Is the chromosome number of zygote, embryonal cells and adult of a particular organism always constant? How is the constancy maintained in these three stages?
Where is the zygote located in the flower after fertilization?
State the number of sets of chromosomes present in a zygote.
Name the reproductive parts of an angiosperm. Where are these parts located? Explain the structure of its male reproductive part.
What is puberty?
Consider the following three flowers namely X, Y and Z. Which flower(s) would develop into a fruit?
| Flower X | Flower Y | Flower Z |
 |
 |
 |
Given below is a diagram of a germinating seed. Label the parts that:
- gives rise to future shoot.
- gives rise to future root system.
- stores food.
- Assertion: Primary endosperm nucleus is diploid.
- Reason: It is the product of double fertilisation.
