Animal Kingdom - 1

The protozoans that cause malaria in humans are

• Trichosomes

• Dinoflagellates

• Sporozoans

• Radiolarians

The primitive relative of animals are :

• Dinoflagellates

• Diatoms

• Euglenoids

• Protozoans

Which of the following statements regarding Euglenoids is not true?

• Instead of a cell wall, they have a lipid rich pellicle.

• They have 2 flagella, one long and one short

• They are photosynthetic in the presence of sunlight but become heterotrophs in the absence of sunlight.

• Pigments of euglenoids are identical to those present in higher plants

Sleeping sickness is caused by

• Flagellated Protozoan

• Ciliated Protozoan

• Sporozoan

• Amoeboid Protozoan

Which of the following shows the coordinated movement of cilia?

• Trypanosoma

• Entamoeba

• Paramoecium

• Plasmodium

Mode of nutrition in euglenoids is

• Photosynthetic

• Heterotrophic

• Chemosynthetic

• Both A and B

In some Bilateria, the body is of many segments that show serial repetition of parts. Such segments are called as:

• Myotomes

• Metameres

• Proglottides

• Comb plates

What is present between ectoderm and endoderm in diploblastic animals ?

• Mesenteron

• Mesenchyme

• Mesorchium

• Mesoglea

Identify the phylum where the body cavity is not lined by mesoderm, instead, the mesoderm is present as scattered pouches between ectoderm and endoderm?

• Cnidaria

• Platyhelminthes

• Mollusca

• Aschelminthes

Notochord is derived from embryonic :

• Ectoderm

• Mesoderm

• Endoderm

• Ectoderm and Mesoderm