Angiosperms

Q.

What is the study of plants called?

Q. Difference between phyllodes and phylloclades with there example ?

Q.

Difference between theca and lobe of an anther.

Q.

What is pollen pistil interaction? How it is mediated?

Q.

With a neat diagram explain the 7-celled, 8-nucleate nature of the female gametophyte.

Q.

Why are angiosperms important to humans?

Q. Unlike bryophyte and pteridophyte, in gymnosperms male and female gametophytes

1. do not have an independent free living existence.
2. have an independent free living existence.
3. are initially free living then becomes parasitic.
4. are initially parasitic then becomes free living.

Q.

What is the lever mechanism in Salvia?

Q.

Name 5 plants each of the Thallophyta, Bryophyta, and Pteridophyta divisions, and write a description of each.

Q.

A typical angiosperm flower consists of four floral parts. Give the names of the floral parts and their arrangements sequentially.

Q.

What is the difference between Acropetal and Basipetal order?

Q.

Is Mistletoe a parasite?

Q. Sandal wood tree is considered as

1. total stem parasite
2. epiphyte
3. partial root parasite
4. total root parasite

Q. Correct position of the floral parts over the thalamus in the mustard plant is:

1. Gynoecium occupies the highest position, while the other parts are situated below it
2. Margin of the thalamus grows upward, enclosing the ovary completely, and other parts arise below the ovary
3. Gynoecium is present in the centre and other parts cover it partially
4. Gynoecium is situated in the centre, and other parts of the flower are located at the rim of the thalamus, at the same level

Q. Hashish and Ganja are obtained from:

1. Erythroxylon
2. Nicotiana
3. Papaver
4. Cannabis

Q. Sporophyte is dependent on gametophyte in:

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

Q. What is classification based on floral characters and phylogenetic classification?

Q. Name the particular type of drug that is obtained from the plant whose flowering branch is shown below:

1. Hallucinogen
2. Anti-depressant
3. Analgesic, anthelmintic, anti inflammatory
4. Euphoric

Q.

Give two examples of each of the following:

Reticulate venation

Q.

Phyllode is a modification of

1. Leaf

2. Root

3. Stem

4. Petiole

Q. what are the types of apomixis?

Q. The first land inhabiting plants were _______.

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

Q.

Jute is the outer covering of coconut.

1. True
2. False

Q. Which of the following are parasitic plants?

1. Viscum
2. Loranthus
3. Cuscuta
4. All of these

Q. If stamen is microsporophyll, then ______ is megasporophyll.

1. ovary
2. pistil
3. embryo sac
4. anther

Q.

Both gymnosperms and angiosperms bear seeds, then why are they classified separately?

Q.

Angiosperms have dominated the land flora primarily because of their

1. Property of producing large number of seeds

2. Nature of self pollination

3. Domestication by man

4. Power of adaptability in diverse habitat

Q. ________ is a total root parasite.

1. Rafflesia
2. Viscum
3. Loranthus
4. Cassytha

Q.

In Dahlia, the roots are_______.

Q.

Do flowering plants reproduce sexually or asexually?