(a) Draw a neat diagram of a flower showing its various parts. In this diagram mark stem, receptacle, sepals, petals, stamen and carpel.
(b) What name is given to (i) all the petals of a flower, and (ii) all the sepals of a flower?
(c) What are (i) stamen, and (ii) carpel, in a flower?
(d) What is the other name of carpel of a flower?
(e) What is the name of yellow powdery substance present in the anther of a flower?
(a)
(b) (i) all the petals of a flower is known as corolla, and
(ii) all the sepals of a flower is known as calyx.
(c) (i) stamen is a male reproductive organ in a flower, and
(ii) the carpel is a female reproductive organ in a flower.
(d) The other name of the carpel is pistil in a flower.
(e) The yellow powdery substance present in the anther of a flower are pollen grains.
Related Articles
- (a) Draw a neat sketch of the stamen of a flower. Mark in it filament and anther.(b) Draw a neat sketch of the carpel of a flower. Mark in it stigma, style and ovary.(c) What is made in (i) anther, and (ii) ovary, of a flower?
- What is the name of female organ of a flower(other than carpel)?
- What is the name of:(a) male part of a flower?(b) female part of a flower?
- What are the parts of a flower?
- What is the structure of a flower?
- Draw a labelled diagram of the longitudinal section of a flower.
- Which part of the flower is called the Stamen?
- Correct the following statements and rewrite them in your notebook.(a) Stem absorbs water and minerals from the soil.(b) Leaves hold the plant upright.(c) Roots conduct water to the leaves.(d) The number of petals and stamens in a flower is always equal.(e) If the sepals of a flower are joined together, its petals are also joined together.(f) If the petals of a flower are joined together, then the pistil is joined to the petal.
- Draw a neat diagram showing fertilisation in a flower and label (a) Pollen tube, (b) Male germ cell and (c) Female germ cell, on it. Explain the process of fertilisation in a flower. What happens to the (i) ovary and(ii) ovule after fertilisation?
- (a) Draw a diagram showing germination of pollen on the stigma of a flower and mark on it the following organs/parts :(i) Pollen Grain(ii) Pollen tube(iii) Stigma(iv) Female germ cell(b) State the significance of the pollen tube.(c) Name the parts of the flower that develop after fertilization into(i) Seed(ii) Fruit
- Sketch the reproductive parts of a flower.
- 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?
- Explain the structure of a Flower.
- What are the reproductive organs in a flower?
- DIRECTIONS: Read the passage(s) given below and answer the questions that follow. Passage- The transfer of pollen from the another to the stigma of a flower is called pollination.If the pollen of a flower lands on the stigma of the same flower, or on the stigma of another flower of the same plant, it is called self-pollination. When the pollen of a flower lands on the stigma of another flower of a different plant of the same kind, it is called cross-pollination.In cross-pollination,(a) the pollen of a flower lands on the stigma of another flower of the same plant.(b) the pollen of a flower lands on the stigma of another flower of a different plant of the same kind.(c) both the above are correct.(d) none of these is correct.
Kickstart Your Career
Get certified by completing the course
Get Started
Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies