Quiz No:8 - Mahatmaacademy.com

Quiz No:8

Questions No:1

Auxospores or rejuvenescent cells are characteristic of which of the followings ?

[A] Dinoflagellates

[B] Diatoms

[C] Zooflagellates

[D] Sporozoans

Questions No:2

Longitudinal binary fission is found in

[A] Amoeba

[B] Paramecium

[C] Euglena

[D] None

Questions No:3

The cell wall is absent in

[A] dinoflagellates

[B] diatoms

[C] euglenoids

[D] none of these

Questions No:4

Mesokaryon, a nucleus with condensed chromosomes, is present in

[A] euglenoids

[B] zooflagellates

[C] dinoflagellates

[D] diatoms

Questions No:5

Silica gel (Kieselguhr)/diatomite is obtained from

[A] diatoms

[B] foraminiferans

[C] dinoflagellates

[D] fossilised diatoms

Questions No:6

A transparent bivalved siliceous shell (silica deposited in cellulosic cell wall) known as frustule is present in

[A] dinoflagellates

[B] diatoms

[C] euglenoids

[D] both 2 and 3

Questions No:7

The alga or protist used for the construction of sound proof room is

[A] Diatoms

[B] Chara

[C] Volvox

[D] Fucus

Questions No:8

Photosensitivity in Euglena is due to

[A] flagellum

[B] parafl angellar body and stigma

[C] chromatophores

[D] metaboly

Questions No:9

The outer covering of which organism is used as abrasive for metal polishing?

[A] Dinoflagellates

[B] 2}Radiolarinas

[C] Sponge

[D] Diatoms

Questions No:10

Slime moulds are included in protista, otherwise these are close to

[A] plants

[B] fungi

[C] algae

[D] bacteria

Questions No:11

In Amoeba pseudopodia is formed due to

[A] increase of osmotic tension

[B] intake of excess water

[C] excess of ATP in the system

[D] sol-gel transformation of cytoplasm

Questions No:12

Which animalcule is immortal ?

[A] Paramecium

[B] Plasmodium

[C] Euglena

[D] Bacteria

Questions No:13

Amoeba is capable of regeneration. This is possible only from

[A] a nucleated bit of Amoeba

[B] an enucleate bit of Amoeba

[C] a young Amoeba

[D] an old Amoeba

Questions No:14

During binary fission nucleus divides

[A] mitotically

[B] meiotically

[C] amitotically

[D] none of these

Questions No:15

Pseudopodia in Entamoeba and Amoeba are called

[A] lobopodia

[B] filopodia

[C] reticulopodia

[D] axopodia

Questions No:16

Entamoeba histolytica is an intestinal parasite found in human

[A] colon/upper part of large intestine

[B] duodenum

[C] ileum

[D] rectum

Questions No:17

Trypanosomiasis (sleeping sickness) is a diseases transmitted by

[A] Tsetse fly

[B] Fire fly

[C] Sand fly

[D] Louse

Questions No:18

Paramecium contains a dimorphic nucleus that has

[A] two micronuclei

[B] one macro & one or two micronuclei

[C] two macronuclei

[D] one micro and one, two or more macro nuclei

Questions No:19

Animal characters in Euglena are

[A] Presence of pellicle which is made up of proteins and not of cellulose

[B] presence of photosenstitive structures and contractile vacuole

[C] presence of longitudinal binary fission

[D] all of the above

Questions No:20

Which of the following groups has mostly parasitic forms ?

[A] Sporozoa

[B] Sarcodina

[C] Ciliata

[D] Mastigophora