Free Biological Classification (Weekly Quiz: 2) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Single-celled eukaryotes are included in

(a) Archaea

(b) Protista

(c) Fungi

(d) Monera

Question-2

Select the wrong statement.

(a) 'Diatomaceous earth' is formed by the cell walls of diatoms.

(b) The walls of diatoms are easily destructible.

(c) Diatoms are chief producers in the oceans.

(d) Diatoms are microscopic and float passively in water.

Question-3

Yeast is used in the production of

(a) Citric acid and lactic acid

(b) Bread and beer

(c) Cheese and butter

(d) Lipase and pectinase

Question-4

System of classification used by Linnaeus was

(a) artificial system

(b) natural system

(c) phylogenetic system

(d) asexual system.

Question-5

Virus infected plants generally have

(a) Double stranded DNA

(b) Single stranded DNA

(c) Double stranded RNA

(d) Single stranded RNA

Question-6

Habitat of euglenoids is

(a) Fresh stagnant water

(b) Fresh river water

(c) Marine water

(d) All of these

Question-7

Two species of Amoeba X and Y wer e kept in fr esh water an d got adapted. Species X developed contractile vacuole. When both were transferred to sea water and got adapted, both X and Y lost their contractile vacuole. From these observation we conclude that

(a) Species Y is marine species and X is fresh water species

(b) Both X and Y are marine species

(c) Species X is marine species and Y is fresh water species

(d) Both X and Y are fresh water species

Question-8

Most abundant microorganism are

(a) virus

(b) bacteria

(c) amoeba

(d) paramecium

Question-9

Which one of the following living organisms completely lacks a cell wall?

(a) Saccharomyces

(b) Cyanobacteria

(c) Sea - fan (Gorgonia)

(d) Blue - green algae

Question-10

If all ponds and puddles are destroyed, the organism likely to be destroyed is

(a) Ascaris

(b) Leishmania

(c) Trypanosoma

(d) Plasmodium