Advertisements
Advertisements
Question
Pollen grains from anther are transferred to the stigma.
Options
True
False
Advertisements
Solution
True
APPEARS IN
RELATED QUESTIONS
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
"The chromosomal number of the sexually producing parents and their offspring is the same." Justify this statement.
State the function of flowers in the flowering plants.
Explain what you understand by sexual reproduction.
Mature ovary forms the ______.
Where are a plant's sex organs located?
Fill in the following blank with suitable word :
Ovules contain ......... gametes of a plant.
Fill in the following blank with suitable word :
The male organ of reproduction in the flower is the.......... .
What is seed? What are the parts of a seed? Explain with the help of a labelled diagram.
Which of the following is the correct sequence of events of sexual reproduction in a flower?
(a) pollination, fertilisation, seed, embryo
(b) seed, embryo, fertilisation, pollination
(c) pollination, fertilisation, embryo, seed
(d) embryo, seed, pollination, fertilisation
One of the following occurs in the reproductive system of flowering plants as well as that of humans. This is :
(a) vas deferens
(b) anther
(c) ovary
(d) style
In what ways is fertilisation in a plant different from fertilisation in a human?
Put a tick mark (✓) against the correct alternative in the following statement
Reproductive whorls of a flower are:
Multiple choice question. Tick (✓) the correct choice:
The male gamete is present inside the which germinates.
- the style
- the stigma
- the anther
- the ovary
State whether the following statement is true (T) or false (F):
Stamens make egg cells.
Mention the function of Anther.
What are the male and female gametes in a flowering plant?
(a) Identify A, B and C in the given diagram and write their functions.
(b) Mention the role of gamete and zygote in sexually reproducing organisms.
Answer the following question.
How does suitable pollination lead to fertilization?
Differentiate between self-pollination and cross-pollination.
What is cleistogamy? Write one advantage and one disadvantage of it, to the plant.
Bisexual : Hibiscus : : Unisexual : ___________
Write the events involved in the sexual reproduction of a flowering plant.
Discuss the first event and write the types.
Generally, in a pollen tube, which of the following moves to the tip of the tube?
Gloriosa superba exhibits ______.
Conidia are formed endogenously while zoospores are formed endogenously.
Variations occur as a result of ______
Length of pollen tube depends on the distance between ______
In a bisexual flower inspite of the young stamens being removed artificially, the flower produces fruit. Provide a suitable explanation for the above situation.
Trace the path a male gamete takes to fertilise a female gamete after being released from the penis.
Double fertilization means ______.
Triple fusion involves ______.
What is puberty?
The pollen tube usually enters the embryo sac ______.
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.
