English
Maharashtra State BoardSSC (English Medium) 10th Standard

Where Are the Pollen Grains Produced?

Advertisements
Advertisements

Question

Where are the pollen grains produced?

Advertisements

Solution

 Pollen grains are produced by anther.

shaalaa.com
  Is there an error in this question or solution?
2016-2017 (March)

APPEARS IN

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

Name the parts A, B and C shown in the following diagram and state one function of each.


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


The anther contains ______.


The reproductive part of a plant is the ______.


Name the swollen lower part of the carpel.


Fill in the following blank with suitable word : 

Pollen grains contain ............ gametes of a plant.


Fill in the following blank with suitable word :

The name of the structure in the flower in which the male gamete is formed is...........


Fill in the following blank with suitable word :

The term used to refer to the transfer of pollen from the stamen of one flower to the carpel of another flower of the same species is...........


Explain the terms  'cross-pollination'?


How is the process of pollination different from fertilization?


Explain the term 'fertilisation'.


Name the part of a seed which contains stored food.


Name the part of a seed which grows into root.


Which of the following statements are true for sexual reproduction in flowering plants?
(i) it requires two types of gametes
(ii) fertilisation is a compulsory event
(iii) it always results in the formation of zygote
(iv) offsprings formed are clones

(a) (i) and (iv)
(b) (i), (ii) and (iv)
(c) (i), (ii) and (iii)
(d) (ii), (iii) and (iv)


Fill in the blank by selecting suitable word:

A flower bearing only male or female parts is known as __________ flower.


State whether the following statement is true (T) or false (F):

Stamens make egg cells.


Find the odd-one out, giving reason:

Anther, pollen grain, ovule male gamete


Draw a diagram of the longitudinal section of a flower exhibiting germination of pollen on stigma and label (i) ovary, (ii) male germ-cell, (iii) female germ-cell and (iv) ovule on it.


Explain the process of fertilisation in flowers.


Fill in the blanks and rewrite the completed statements:

Lymph flows in _______________ direction. 


Answer the following question.
How does suitable pollination lead to fertilization?


Differentiate between self-pollination and cross-pollination.


Pollen grains are formed by _________ division in locules of anthers.


__________ is present in unisexual flower.


Define.

Inflorescence


Give scientific reason.

Flower is a structural unit of sexual reproduction in plants. 


What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its roots tip cells?


Gloriosa superba exhibits ______.


The seed that contains the future plant is called the ______ 


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?

  1.  They possess both stamen and pistil
  2. They possess either stamen or pistil
  3. They exhibit cross pollination
  4. Unisexual flowers possessing only stamens cannot produce fruits

Give reason for the following:

Fertilization cannot take place in flowers if pollination does not occur.


Trace the path a male gamete takes to fertilise a female gamete after being released from the penis.


Double fertilization is essential for formation of ______.


Give any two examples of agents of pollination.


In a plant flower the female whorl is ______.


Type of sexual reproduction is ______.


The pollen tube usually enters the embryo sac ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×