Flower

Q.

Which part of the plant absorbs water and minerals from the soil?

1. Stem

2. Leaf

3. Root

4. Flower

Q.

Give an example of valvate aestivation.

Q.

Herkogamy is an adaptation in which there is a physical barrier between anthers and stigma or spatial separation of them.

1. True

2. False

Q.

Filiform apparatus is found in which part of angiosperms?

1. Sperm

2. Antipodal

3. Egg

4. Synergid

Q.

Why are flowers colored?

1. Petals are colored to attract insects.

2. Insects aid in pollination

3. Mainly for ornamental purpose.

4. A &B

Q.

Polyadelphous stamens are found in

1. Cotton

2. China rose

3. Pea

4. Lemon

Q.

Which of the following is a non-flowering plant?

1. Grapevine

2. Pine tree

3. Pea plant

4. Mango tree

Q. is the reproductive organ of a plant.

1. Flower
2. Fruit
3. Seed
4. Root

Q. ntWhat will be the amount of DNA in a pollen grain if its mother cell has 32 picogram DNA in G2 phase?n

Q.

Do all flowers turn into fruits?

Q. The plants that are a good source of wood belonging to the division:

1. Gymnosperms
2. Thallophytes
3. Bryophytes
4. Pteridophytes

Q.

Tetradynamous condition of stamens is characteristic of which family?

1. Asteraceae

2. Malvaceae

3. Papilionatae

4. Brassicaceae

Q. Which of the following is a ripened ovary?

1. Sepal
2. Petals
3. Stigma
4. Petiole

Q.

Is replum a false septum?

Q.

The transfer of pollen from the anther to the stigma of a flower is called

1. Spore formation

2. Pollination

3. Germination

4. Fertilization

Q. What is the main function of a flower?

Q.

Flowers showing basipetal succession are observed in:

1. Caesalpinia and Clerodendrum

2. Jasmine and Gulmohar

3. Gulmohar and Caesalpinia

4. Clerodendrum and Jasmine

Q.

Give an illustration of imbricate aestivation.

Q.

Fruit wall and seed coat are fused in a __________

Q.

Which family does brinjal belong to?

Q.

Siliqua fruit is characteristic of family

1. Poaceae

2. Fabaceae

3. Brassicaceae

4. Asteraceae.

Q. Flower is the modification of .

1. root
2. shoot
3. leaves

Q.

What is a uniparous cyme?

Q. What is the function of sepals?

Q.

Which of the following includes flowering plants?

1. Pteridophytes

2. Bryophyta

3. Angiosperms

4. Gymnosperms

Q.

Which among the following are highly evolved plants on earth?

1. Gymnosperms

2. Angiosperms

3. Bryophytes

4. Pteridophytes

Q.

Briefly describe the structure of the reproductive organ of a plant.

Q.

Flowers have colourful structures, which attract insects and birds that help with a specific process which subsequently gives rise to formation of seeds and fruits. Give the name of the colourful structure and the process.

1. Petioles, Pollination
2. Petioles, Photosynthesis
3. Petals, Photosynthesis
4. Petals, Pollination

Q. The colourful whorl of the flower is called _____.

1. calyx
2. corolla
3. androecium
4. gynoecium

Q.

___________ is the colourful part of an open flower used to attract insects.

1. Petals

2. Stamen

3. Pistil

4. Anther