Chlorophyceae

Q.

Explain the C4 pathway of photosynthesis.

Q. Which of the following are colonial green algae?

1. Chlamydomonas
2. Volvox
3. Spirogyra
4. Fucus

Q. Nucule and globule are structures present in

1. Oedogonium
2. Ulothrix
3. Chara
4. Caulerpa

Q.

Does meiosis occur in haploid organisms??

Q.

What are the divisions of the kingdom Plantae?

Q.

What are sporangium and sporophyte?

Q.

What are the 5 characteristics of Anthocerotopsida?

Q. What is meant by palmella stage in euglena?

Q.

What is the usual mode of reproduction seen in red algae?

Q. The life cycles of Ectocarpus and Fucus respectively are:

1. Haplodiplontic, Diplontic
2. Haplodiplontic, Haplontic
3. Diplontic, Haplodiplontic
4. Haplontic, Diplontic

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

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

Q. Which of the following examples belongs to the same class of algae?

1. Chara, Fucus, Polysiphonia
2. Sargassum, Laminaria, Gracilaria
3. Volvox, Spirogyra, Chlamydomonas
4. Porphyra, Ectocarpus, Ulothrix

Q.

Which of the statement is incorrect?

1. All green plants and blue-green algae are producers

2. Green plants get their food from organic compounds

3. Producers prepare their own food from inorganic compounds

4. Plants convert solar energy into chemical energy

Q. Spirogyra are commonly known as “Pond Silk” because its:

1. Filament are slippery to touch.
2. Filaments are very bright.
3. Filament makes the pond slippery.
4. Filament are made up of silk

Q. A cup-shaped chloroplast is seen in

1. Spirogyra
2. Chlamydomonas
3. Zygnema
4. Ulothrix

Q.

Green alga showing oogamy is

1. volvox

2. fucus

3. spirogyra

4. Ectocarpus

Q.

In which of the following, reticulate chloroplast is found?

1. Spirogyra

2. Oedogonium

3. Ulothrix

4. Ectocarpus

Q. Match the columns I and II, and choose the correct combination from the options given.

Column I (Type of spore)	Column II (Production)
$a.$ Zoospore	$1.$ Exogenous
$b.$ Aplanospore	$2.$ Endogenous
$c.$ Conidia
$d.$ Ascospores
$e.$ Basidiospores

1. $a-1,b-2,c-1,d-2,e-1$
2. $a-1,b-2,c-1,d-2,e-1$
3. $a-2,b-1,c-2,d-1,e-2$
4. $a-2,b-2,c-1,d-2,e-1$

Q. Which one of the following is wrong about Chara?

1. Upper oogonium and lower round antheridium
2. Globule and nucule present on the same plant
3. Upper antheridium and lower oogonium
4. Globule is the male reproductive structure

Q.

A photosynthetic organism which does not release oxygen is:

1. Blue-green alga

2. Green sulphur bacterium

3. Green alga

4. Algal component of lichen.

Q.

Which of the following, comprises of members of the same class of algae?

1. Sargassum, Polysiphonia, Dictyota and Laminaria.

2. Chara, Saragassum, Porphyra and Gelidium.

3. Ectocarpus, Sargassum, Polysiphonia and Ulothrix.

4. Polysiphonia, Porphyra, Gracilaria and Gelidium.

Q. Which among the following is a parasitic algae.

1. Fusarium graminearum
2. Saprolegnia parasitica
3. Cephaleuros virescens
4. Plasmopara viticola

Q. A cup-shaped chloroplast is seen in

1. Spirogyra
2. Chlamydomonas
3. Zygnema
4. Ulothrix

Q. An alga which can be possibly used in space flight (Space Alga) is

1. Chlorella
2. Ulothrix
3. Spirogyra
4. Nostoc

Q.

Name one organism for Producer.

Q. WHY ARE GREEN PLANTS CALLED PRODUCERS?

Q. In Ulothrix, reduction division takes place at the time of

1. Germination of zygospore
2. Formation of zygospores
3. Formation of gametes
4. Formation of zoospores

Q. Pisciculture does not include:

1. Rohu
2. Prawns
3. Silkworm
4. Crabs

Q.

Where is Ulothrix found?