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Question
In a plant flower the female whorl is ______.
Options
Corolla
Calyx
Androecium
Gynoecium
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Solution
In a plant flower the female whorl is Gynoecium.
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RELATED QUESTIONS
A student has to perform the experiment "To identify the different parts of an embryo of a dicot seed." Select from the following an appropriate group of seeds:
(a) Pea, gram, wheat
(b) Red kidney bean, maize, gram
(c) Maize, wheat, red kidney bean
(d) Red kidney bean, pea, gram
You are asked by your teacher to study the different parts of an embryo of a gram seed. Given below are the steps to be followed for the experiment:
I. Soak the gram seeds in plain water and keep them overnight.
II. Cut open a soaked seed and observe its different parts.
III. Take some dry gram seeds in a petri dish.
IV. Drain the excess water.
V. Cover the soaked seeds with a wet cotton cloth and leave them for a day.
The correct sequence of these steps is :
(A) III, I, V, IV, II
(B) III, I, II, IV, V
(C) III, IV, V, I, II
(D) III, I, IV, V, II
State the function of flowers in the flowering plants.
How is the process of pollination different from fertilization?
State the name of the functional unit concerned with sexual reproduction.
Name the swollen lower part of the carpel.
Fill in the following blank with suitable word :
Pollen grains contain ............ gametes of a plant.
Draw a neat sketch of the carpel of a flower. Mark in it stigma, style and ovary.
What is made in ovary of a flower?
Name the part of a seed which contains stored food.
In tobacco plant, the male gametes have 24 chromosomes.
What is the number of chromosomes in the zygote?
What changes take place in the flower after fertilisation which lead to the formation of seeds and fruit?
The part of a seed which grows and develops into root on germination is :
(a) cotyledon
(b) plumule
(c) follicle
(d) radicle
Put a tick mark (✓) against the correct alternative in the following statement
Pollen is produced in the:
State whether the following statement is true (T) or false (F):
Flowers which possess stamens and carpel are called unisexual.
You have to perform the experiment, "To identify the different parts of an embryo of a gram seed." Describe the procedure that you would follow.
A student is asked to study the different parts of an embryo of pea seeds. Given below are the essential steps for the experiment :
(I) Soak the pea seeds in plain water and keep them overnight.
(II) Cut open the soaked seed and observe its different parts.
(III) Take some pea seeds in a petri dish.
(IV) Drain the excess water. Cover the seeds with a wet cotton cloth and leave them as it is for a day.
The correct sequence of these steps is
(A) III, I, IV, II
(B) III, IV, I, II
(C) III, I, II, IV
(D) III, II, I, IV
“Cell division is a type of reproduction in unicellular organism.” Justify.
Sketch the labeled diagram:
Flower with its sexual reproductive organs
__________ is present in unisexual flower.
Bisexual : Hibiscus : : Unisexual : ___________
Pollen tube reaches the embryo sac via style.
Pollen grains from anther are transferred to the stigma.
Distinguish between self-pollination and cross-pollination.
Draw a neat and labelled diagram.
Double fertilization in angiosperms
The male reproductive part of a flower is ______.
In which part of the flower germination of pollen grains takes place?
The anther wall consists of four wall layers where ______
The ovule of an angiosperm is technically equivalent to ______
Which type of development is observed in male gametophytes of plants?
Length of pollen tube depends on the distance between ______
Complete the table
| Carly x | ______ | ______ |
| ______ | petal | attract insects |
| Androecium | ______ | Male reproductive part |
| ______ | ______ | Female reproductive part. |
Which among the following statements are true for unisexual flowers?
- They possess both stamen and pistil
- They possess either stamen or pistil
- They exhibit cross pollination
- Unisexual flowers possessing only stamens cannot produce fruits
Which among the following statements are true for sexual reproduction in flowering plants?
- It requires two types of gametes
- Fertilisation is a compulsory event
- It always results in formation of zygote
- Offspring formed are clones
Double fertilization is essential for formation of ______.
The figure below shows the concept of double fertilization. Complete the flow chart showing the progress at each step:
What is puberty?
The pollen tube usually enters the embryo sac ______.
