Androecium

Q. Why the exine should be hard?

Q.

How many microsporangia are there in each lobe of anther?

Q.

What do you mean by syngenesious stamen?

Q.

Give 3 examples of pistillate flowers.

Q.

The male reproductive part of the flower is?

1. Sepals

2. Petals

3. Stamens

4. Pistil

Q.

Which of the following is the function of the filiform apparatus?

1. Stimulate the division of the generative cell

2. Recognize the suitable pollen at the stigma

3. Guides the entry of pollen tube

4. Produce nectar

Q.

What is pistillate?

Q. The following is the diagram of T.S. of anther. Identify the parts labeled A, B and C.

1. A-Connective tissue, B-Pollen grains, C-Endothecium
2. A-Endothecium, B-Connective tissue, C-Pollen grains
3. A-Endothecium, B-Pollen grains, C-Connective tissue
4. A-Pollen grains, B-Connective tissue, C-Endothecium

Q. A non-functional stamen is called

1. staminode
2. young stamens
3. staminates
4. accessory stamens

Q.

Differentiate bisexual , diesious, hermaphrodites

Q.

The whorl that contains the male reproductive parts is called the ___________.

Q. The bilobed nature of an anther is very distinct in the

1. Transverse section
2. Latitudinal section
3. Longitudinal section
4. Both A and B

Q. Which of the following plants has ten stamens in its flower?

1. Pisum
2. Solanum
3. Allium
4. Asparagus

Q. The number of sepals and stamens is same in

1. Pisum
2. potato
3. onion
4. Sesbania

Q. A staminode does not contain

1. anther
2. filament
3. pollen grains
4. connective

Q. Tetradynamous condition is related to

1. androecium
2. gynoecium
3. petals
4. sepals

Q. The number of sepals and stamens is same in

1. Pisum
2. potato
3. onion
4. Sesbania

Q. Hibiscus produces a fruit which is

1. Simple, dehiscent and fleshy capsule
2. Simple, dehiscent, dry and muiticarpellary capsule
3. Simple, indehiscent, dry and multicarpellary capsule
4. Simple, indehiscent, fleshy and multicarpellary capsule

Q. An anther having four microsporocytes shall produce pollen grains.

1. $12$
2. $24$
3. $16$
4. $8$

Q. Entry of pollen tube through the end opposite to micropyle is

1. Porogamy
2. Chalazogamy
3. Mesogamy
4. Syngamy

Q. Which of the following are not characteristic of Fabaceae family?

1. Tap root system, compound leaves and raceme inflorescence
2. Flowers actinomorphic, twisted aestivation and gamopetalous
3. Stamens 10, introrse, basifixed and dithecous
4. Monocarpellary, ovary superior and bent stigma

Q. The characters of flower which is represented by floral formula but not by floral diagram is

1. Position of gynoecium
2. Aestivation
3. Adhesion of stamen
4. Placentation

Q. A non-functional stamen is called

1. accessory stamens
2. staminode
3. young stamens
4. staminates

Q. Describe dry dehiscent fruits with suitable examples.

Q. Usually the whorl in a flower that attracts insects and protects the essential parts is

1. Calyx
2. Androecium
3. Gynoecium
4. Corolla

Q. Pea nut (Arachis hypogea) belongs to the family

1. Papilionaceae
2. Poaceae
3. Palmaceae
4. Musaceae

Q. A staminode does not contain

1. pollen grains
2. anther
3. connective
4. filament

Q. When petals are free, the corolla is called

1. polypetalous
2. gamopetalous
3. polysepalous
4. gamosepalous

Q. Gynobasic style is the characteristic feature of the family Labiates but it is also found in several members of.

1. Nymphaeaccae
2. Apocynasceae
3. Boraginaceae
4. Liliaceae

Q. The function of anther is?

1. Produce Ubisch bodies
2. All of the above
3. Produce pollen grains
4. Store and protect pollen grains