Chlorophyceae

Q.

Which is/are gametophytic in Pinus?

1. Male and female cones

2. Pinus and plant

3. Micro and megaspore

4. Zygote

Q. In the members of chlorophyceae, the storage bodies called pyrenoids are located in the

1. cytoplasm
2. mitochondria
3. chloroplast
4. vacuole

Q.

One of the following functions is exhibited only by green plants and not by animals.

1. Response

2. Digestion

3. Growth

4. Photosynthesis

Q.

Which among the following is a prerequisite in Selaginella to exhibit seed habit?

1. Heterospory

2. Microphylly

3. Creeping stem

4. Homospory

Q.

Which of the following options includes the members of the same class of algae?

1. Polysiphonia, Porphyra, Gracilaria and Gelidium

2. Ectocarpus, Sargassum, Polysiphonia and Ulothrix

3. Sargassum, Polysiphonia, Dictyota and Laminaria

4. Chara, Saragassum, Porphyra and Gelidium

Q. The nucleus of Spirogyra cell lies

1. Suspended in central vacuole
2. Embedded in cytoplasm
3. Just near the cell membrane
4. In contact with the chloroplast

Q.

Spirogyra exhibit a phenomenon similar to sexual reproduction seen in protozoans that is termed as -

1. Binary Fission

2. Multiple fission

3. Fragmentation

4. Conjugation

Q. Spirogyra is called pond silk because

1. Filaments are made up of silk
2. Filaments are slippery to touch
3. Their cell wall is composed of substances similar to silk fiber
4. None of these

Q. Match the following and select the correct option.

Column I	Column II	Column III
1. Green algae	A. Chl-a and b	i. Gelidium
2. Brown algae	B. Chl-a and d	ii. Fucus
3. Red algae	C. Chl-a and c	iii. Chara

1. 1-A-iii, 2-C-ii, 3-B-i
2. 1-A-ii, 2-C-iii, 3-B-i
3. 1-C-iii, 2-A-ii, 3-B-i
4. 1-B-i, 2-C-ii, 3-A-iii

Q.
Cellular slime molds are .......... with regard to chromosome number, while most phases of the life cycle of a plasmodial slime mold is ..........

Q. Is carrageen the outermost structure of rhodophyceae? If so what is it made up of??

Q. Gemmules take part in

1. Sexual reproduction
2. Asexual reproduction
3. Digestion
4. Development of water current in sponges