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प्रश्न
Pollen tube reaches the embryo sac via style.
पर्याय
True
False
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उत्तर
True
APPEARS IN
संबंधित प्रश्न
How does fertilisation occur in flowers? Name the parts of the flower that develop into (i) seed, and (ii) fruit after fertilisation.
Sketch the reproductive parts of a flower.
The reproductive part of a plant is the ______.
Mature ovary forms the ______.
Name the male part of the flower.
Where are the pollen grains produced?
Fill in the following blank with suitable word :
Ovules contain ......... gametes of a plant.
Fill in the following blank with suitable word :
The ovary of a flower becomes ....... after fertilisation.
How is the process of pollination different from fertilization?
Explain the term 'fertilisation'.
What type of plants reproduce by sexual reproduction method?
What is pollination? How does pollination occur?
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)
The part of a seed which grows and develops into root on germination is :
(a) cotyledon
(b) plumule
(c) follicle
(d) radicle
In a bisexual flower, inspite of the young stamens being removed artificially, the flower produces fruit. Explain.
Multiple choice question. Tick (✓) the correct choice:
The male gamete is present inside the which germinates.
- the style
- the stigma
- the anther
- the ovary
List any two differences between pollination and fertilization.
Which of the following is not an unisexual flower?
a) Coconut
b) Papaya
c) Gulmohor
d) Maize
Identify the odd. Stigma, Style, Pollen, Ovary.
Draw a diagram of the longitudinal section of a flower and label the following parts.
Find the odd one out:
Define.
Inflorescence
Write the functions of sepals
Explain the sexual reproduction process in plants with a diagram.
Which of the following are the chemical components of the wall of pollen tube?
Flowers showing ornithophily show few characteristic like ______.
The process of release of eggs from the ovary is called ______
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 means ______.
What are the agents for pollination?
What is the function of calyx?
Triple fusion involves ______.
Sexual maturation of reproductive tissues and organs are necessary link for reproduction. Elucidate.
Type of sexual reproduction is ______.
The pollen tube usually enters the embryo sac ______.
