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Questions
Draw a diagram of the longitudinal section of a flower and label the following parts.
Draw a labelled diagram of the longitudinal section of a flower.
Draw a well-labelled diagram of the longitudinal section of a flower.
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Solution 1
Longitudinal section of a flower:
Solution 2
Longitudinal section of flower
RELATED QUESTIONS
(i) Name the part marked 'A' in the diagram.
(ii) How dose 'A' reachese part 'B'?
(iii) State the importance of the part 'C'.
(iv) What happens to the part marked 'D' after fertilisation is over?
Name the parts A, B and C shown in the following diagram and state one function of each.
Name the parts labelled as A, B, C and D in the diagram given below:
"The chromosomal number of the sexually producing parents and their offspring is the same." Justify this statement.
Give one example of a unisexual flower.
State the function of flowers in the flowering plants.
Sketch the reproductive parts of a flower.
Where are a plant's sex organs located?
Fill in the following blank with suitable word :
Pollen grains contain ............ gametes of a plant.
Fill in the following blank with suitable word :
The female organ of reproduction in the flower is the...........
Fill in the following blank with suitable word :
The male organ of reproduction in the flower is the.......... .
Draw a neat sketch of the carpel of a flower. Mark in it stigma, style and ovary.
What is made in anther of a flower?
Explain the terms 'cross-pollination'?
Name the part of a seed which contains stored food.
Which among the following statements are true for unisexual flowers?
(i) They possess both stamen and pistil
(ii) They possess either stamen or pistil
(iii) They exhibit cross pollination
(iv) Unisexual flower possessing only stamens cannot produce fruits
(a) (i) and (iv)
(b) (ii), (iii) and (iv)
(c) (ii) and (iii)
(d) (i), (iii) and (iv)
In what ways is fertilisation in a plant different from fertilisation in a human?
What is a flower ? Draw a neat labelled diagram showing the L.S. of a typical flower.
Multiple choice question. Tick (✓) the correct choice:
The male gamete is present inside the which germinates.
- the style
- the stigma
- the anther
- the ovary
Fill in the blanks:
A carpel consists of ________ , ________ and ________.
Fill in the blank:
Seeds are formed from________.
State whether the following statement is true (T) or false (F):
Stamens make egg cells.
Draw a labelled diagram of a bisexual flower.
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.
Draw a diagram of a pistil showing pollen tube growth into the ovule and label the following:
Pollen grain, male gamete, female gamete, ovary.
What is phototropism?
Identify the odd. Stigma, Style, Pollen, Ovary.
Mention pollination types.
Answer the following question.
How does suitable pollination lead to fertilization?
A student is observing the temporary mount of a leaf peel under a microscope. Draw a labelled diagram of the structure of stomata as seen under the microscope
Differentiate between self-pollination and cross-pollination.
Find the odd one out:
__________ is present in unisexual flower.
Bisexual : Hibiscus : : Unisexual : ___________
What does germination mean?
Write the functions of sepals
Match the following
| 1. | Petal | Opuntia |
| 2. | Fern | Chrysanthemum |
| 3. | Phylloclade | Attracts insect |
| 4. | Hooks | Spore |
| 5. | Sucker | Bignonia |
Write the events involved in the sexual reproduction of a flowering plant.
Discuss the first event and write the types.
In which part of the flower germination of pollen grains takes place?
Where does the endothecium layer of anther lobes is present?
In which of the following manner the arrangement of megaspores in a tetrad is observed in angiosperms?
The ovule of an angiosperm is technically equivalent to ______
Which of the following are the chemical components of the wall of pollen tube?
Which type of development is observed in male gametophytes of plants?
Sperm and egg nuclei fuse due to ______.
Conidia are formed endogenously while zoospores are formed endogenously.
The seed that contains the future plant is called the ______
Variations occur as a result of ______
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
Where is the zygote located in the flower after fertilization?
Double fertilization is exhibited by ______
What is the structural unit of sexual reproduction in plant?
What are the agents for pollination?
What is the function of calyx?
The figure below shows the concept of double fertilization. Complete the flow chart showing the progress at each step:
Triple fusion involves ______.
The pollen tube usually enters the embryo sac ______.
Explain the post fertilization changes that occur in the ovary of a flower.
