English
Maharashtra State BoardSSC (English Medium) 10th Standard

__________ is present in unisexual flower. - Science and Technology 2

Advertisements
Advertisements

Question

__________ is present in unisexual flower.

Options

  • Both androecium and gynoecium

  • Only androecium

  • Only gynoecium

  • Androecium or gynoecium

MCQ
Fill in the Blanks
Advertisements

Solution

Androecium or gynoecium is present in unisexual flower.

shaalaa.com
  Is there an error in this question or solution?
Chapter 3: Life Processes in Living Organisms Part - 2 - Choose the correct option

APPEARS IN

SCERT Maharashtra Science and Technology 2 [English] 10 Standard SSC
Chapter 3 Life Processes in Living Organisms Part - 2
Choose the correct option | Q 15

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

Name the parts A, B and C shown in the diagram and write their functions.


Name the parts labelled as A, B, C and D in the diagram given below:-


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.


A flower may have either male or female reproductive parts. Such a flower is called ______.


Sketch the reproductive parts of a flower.


Fill in the following blank with suitable word :

Flowering plants reproduce by ...........method of reproduction.


Draw a neat sketch of the carpel of a flower. Mark in it stigma, style and ovary.


 Give some examples of different modes of fertilisation in nature?


What is seed? What are the parts of a seed? Explain with the help of a labelled diagram.


Which of the following statements are true for flowers?
(i) Flowers are always bisexual.
(ii) They contain sexual reproductive organs.
(iii) They are produced in all groups of plants.
(iv) after fertilization they give rise to fruits.


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 flask-shaped organ A at the centre of a flower is surrounded by a number of little stalks B having swollen tops which lie just inside the ring of petals.
(a) Name A. What are the various parts of A?
(b) Which part of A contains gametes?
(c) Name B. What is the swollen top of B known as?
(d) What does the swollen top of b contain?
(e) Out of A and B, which one is (i) male part, and (ii) female part of the flower?


In what ways is fertilisation in a plant different from fertilisation in a human?


Multiple choice question. Tick (✓) the correct choice:

Unisexual flowers are found in

  1. mulberry
  2. mustard
  3. pea
  4. sunflower

Fill in the blank:

Seeds are formed from________.


Find the odd-one out, giving reason:

Anther, pollen grain, ovule male gamete


Mention the function of Flower.


Mention the function of Stigma.


Draw a labelled diagram of a bisexual flower.


Write one main difference between asexual and sexual mode of reproduction. Which species is likely to have comparatively better chances of survival – the one reproducing asexually or the one reproducing sexually? Give reason to justify your answer.


Draw a diagram of a pistil showing pollen tube growth into the ovule and label the following:

Pollen grain, male gamete, female gamete, ovary.


Distinguish between unisexual and bisexual flowers giving one example of each. Draw a diagram showing process of germination of pollen grains on stigma and label the following parts:

(a) Female germ cell

(b) Male germ cell

(c) Ovary


Identify the odd. Stigma, Style, Pollen, Ovary.


Mention pollination types.


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


Find an odd one out.


Pollen tube reaches the embryo sac via style.


Pollen grains from anther are transferred to the stigma.


The male reproductive part of a flower is ______.


Which of the following is the outermost protective layer of anther?


How many middle layers are generally present in the wall of the anther lobes?


Pineapple fruit develops from ______.


In human beings, fertilization occurs in the ______


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

In a bisexual flower inspite of the young stamens being removed artificially, the flower produces fruit. Provide a suitable explanation for the above situation.


Where is the zygote located in the flower after fertilization?


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


In flowering plants, the pollen grains are transferred to stigma by pollination but the female germ cells are present in the ovary.
Explain with the help of a labelled diagram (only concerned parts), how the male germ cell reaches the ovary.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×