
Pollen grains are produced in the stigma.

Important Questions on Structure and Functions of Living Organisms - I
Define the following:
Pistil

Name the following:
Male reproductive part of a flower






Explain the following term:
Carpel

Give differences between the following:
Stamen and pistil

Name the following:
Parts of a stamen

Label parts of the flower shown in the figure.

Label the parts of the flower.

Match the following columns:
A | B | C |
1. Stamen |
a. Cotyledon |
i. Plumule |
2. Pistil | b. Cotton | ii. Style |
3. Radicle |
c. Filament | iii. Sugar |
4. Jute | d. Stigma | iv. Anthers |

Draw and label the diagram of pistil.


Solve the following crossword puzzle with the help of given clues.
Across
2. Bead-like structures of ovary (6)
5.Tall plants with hard stems (5)
7. Plant with weak stem and spreading on the ground (7)
12. Male reproductive parts of a flower (7)
13. Type of roots found in wheat (7, 4)
14. Swollen part at the base of the pistil (5)
15. Knob-like structure at the tip of the style (6)
16. Plant with tender stem (4)
Down
1. Short stalk by which a leaf is attached to the stem (7)
3. Knob-like structure at the tip of a stamen (6)
4. The main axis of the shoot system (4)
6. Small, green structures forming the outermost whorl in the flower (6)
7. Plant which climbs up with the support of neighbouring structures (7)
8. The portion of the stem between two nodes (9)
9. Flat green part of a leaf (6)
10. Medium-sized plants with branches arising near the base of the plant (6)
11. Brightly-coloured and most prominent part of a flower (5)

A male flower of watermelon contains only pistils.

The male reproductive part of the flower is called _____.



