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प्रश्न
Prepare a slogan for campaign against female foeticide.
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उत्तर
Avoid female foeticide, save girl child
APPEARS IN
संबंधित प्रश्न
Name the parts A, B and C shown in the diagram and write their functions.
Name the parts A, B and C shown in the following diagram and state one function of each.
Name and differentiate between the two modes of pollination in flowering plants.
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
Give one example of a unisexual flower.
The process of fusion of the male and female gametes is called ______.
Name the part made up of the stigma, style and ovary.
Where is the male gamete formed in flowering plants?
Fill in the following blank with suitable word :
The ovule becomes a .......... after fertilisation.
What is made in ovary of a flower?
How is the process of pollination different from fertilization?
What type of plants reproduce by sexual reproduction method?
In the figure given alongside, the parts marked A, B and C are sequentially:
Multiple choice question. Tick (✓) the correct choice:
Unisexual flowers are found in
- mulberry
- mustard
- pea
- sunflower
Fill in the blanks:
A carpel consists of ________ , ________ and ________.
Fill in the blanks:
A stamen consists of ______ and ________.
Mention the function of 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 the longitudinal section of a flower and label on it sepal, petal, ovary and stigma.
Describe an activity to demonstrate phototropism.
Which of the following is not an unisexual flower?
a) Coconut
b) Papaya
c) Gulmohor
d) Maize
What is meant by pollination?
Bisexual : Hibiscus : : Unisexual : ___________
Write the functions of sepals
Distinguish between self-pollination and cross-pollination.
The essential parts of a flower are ______.
Where does the endothecium layer of anther lobes is present?
Which of the following are the chemical components of the wall of pollen tube?
Variations occur as a result of ______
Complete the table
| Carly x | ______ | ______ |
| ______ | petal | attract insects |
| Androecium | ______ | Male reproductive part |
| ______ | ______ | Female reproductive part. |
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?
Trace the path a male gamete takes to fertilise a female gamete after being released from the penis.
Sketch and label the essential and accessory whorls of flower.
Give any two examples of agents of pollination.
Sexual maturation of reproductive tissues and organs are necessary link for reproduction. Elucidate.
The pollen tube usually enters the embryo sac ______.
The number of pollen sacs in a dithecous anther is ______.
