Angiosperms

Q.

Which of the following plant parts consist of two generations-one within the other?

1. Embryo sac inside the ovule

2. Pollen grains inside the anther

3. Germinated pollen grain with two male gametes

4. Both (A) and (B)

Q. What do gymnosperms and angiosperms have in common?

1. Their gametophyte is dominant
2. They produce flowers
3. They rely on water for reproduction
4. They produce seeds

Q. A plant in the division Tracheophyta has a sporophyte with

1. isogametes
2. roots, stems and leaves
3. xylem vessels that transport water and nutrients
4. no independent life

Q.

Highly evolved plants are grouped together in __________.

1. Gymnosperms

2. Angiosperms

3. Pteridophyte

4. Bryophyte

Q. ________ and ________ are the male gametophyte and female gametophyte of the flowering plants, respectively.

1. Embryo sac, pollen grain
2. Pollen grain, embryo sac
3. Prothallus, protonema
4. Pollen grain, ovule

Q. All vascular plant groups show similarity in

1. having a dominant gametophyte phase
2. producing motile male gametes
3. requirement of water for gamete transfer
4. having an independent sporophyte

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

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

Q. Which of the following are parasitic plants?

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

Q.

Match the columns I and II select the correct option.

$\begin{array}{cccc}& \text{Column I}& & \text{Column II}\\ 1.& \text{Lycopodium}& \text{p.}& \text{Alga}\\ 2.& \text{Sequoia}& \text{q.}& \text{Moss}\\ 3.& \text{Polytrichum}& \text{r.}& \text{Pteriophyte}\\ 4.& \text{Dictyota}& \text{s.}& \text{Gymnosperm}\end{array}$

1. 1 = r, 2 = s, 3 = p, 4 = q

2. 1 = s, 2 = r, 3 = q, 4.= p

3. 1 = r, 2 = s, 3 = q, 4 = p

4. 1 = q, 2 = t, 3 = p, 4 = q

Q.

The embryo sac of angiosperms is made up of ___

1. 8 cells with 7 nuclei

2. 7 cells with 8 nuclei

3. 6 cells with 12 nuclei

4. 7 cells with 6 nuclei

Q. What do gymnosperms and angiosperms have in common?

1. Their gametophyte is dominant
2. They produce flowers
3. They rely on water for reproduction
4. They produce seeds

Q.

What is a gametophyte generation?

Q.

How can parasitic plants get their nutrients?

Q. Least number of cells are found in

1. female gametophyte of Hibiscus
2. male gametophyte of Orchids
3. female gametophyte of Pinus
4. male gametophyte of Marchantia