MCQ - Practice Test- Chapter2-Biological Classification

Instruction

Total Questions : 20

Total time :20 min

Total Marks : 20 x 3 = 60 Marks

Each Correct Question carries : 3 Marks

Each incorrect Question Carries : -1 Marks

Each Unattempted Question carry : 0 Marks

Be careful On Negative Markings

Why are protozoans regarded as primitive animals?

Tissues, organs and organ systems are not developed in them.

They are unicellular and microscopic.

None of these.

Both They are unicellular and microscopic. And Tissues, organs and organ systems are not developed in them.

None

Thermus aquaticus is a species of bacteria found living in the hot springs in Yellowstone National Park. Hot springs typically are areas characterized by low oxygen levels, low light levels and high concentrations of sulfur and calcium carbonate.

In what way do bacteria living in or near hot springs most likely make food?

Through the process of photosynthesis by using energy from the sun, water and carbon dioxide to make glucose.

Through the process of photorespiration by using oxygen and light energy to produce carbon dioxide.

Through the process of radiosynthesis by using gamma radiation and melanin to create energy for growth.

Through the process of chemosynthesis by combining hydrogen sulfide with oxygen and carbon dioxide to make carbohydrates.

None

An algal culture is grown and two different species of protozoans A and C are inoculated into the culture which feeds on algae. For the time period during which algae is not acting as a limiting factor, protozoan A reproduces asexually once every hour and protozoan C reproduces one every 1.5 hours.

The most likely observation is

The algae will rapidly evolve to avoid predation.

Both populations of protozoans will increase in size initially, but then Protozoan C will die off from the culture.

The protozoans will evolve to have a mutualistic relationship.

The algae will die off from the culture due to overfeeding.

None

Lichen do not grow in cities because of the

SO2 pollution

Absence of the right type of algae and fungi

Lack of moisture

Absence of natural habitats

None

Match the following lists.

List-I	List-II
1. HIV	I. Host
2. Pilus	II. Prophage
3. Virus penetration	III. Retroviridae
4. Lysogeny	IV. Polyhedral virus

1- i, 2- iv, 3- iii, 4- ii

1- iii, 2- iv, 3- i, 4- ii

1- i, 2- ii, 3- iii, 4- iv

1- iv, 2- iii, 3- ii, 4- i

None

The structure(s) found in chlamydomonas but not in amoeba is/are:

pyrenoid

all the above

plastids

cell wall

None

The absence of cell wall but the presence of Golgi body and ribosomes in a unicellular organism indicates that it belongs to

Fungi

Eubacteria

Protista

Animalia

None

It is difficult to make anti-viral drugs because

Viruses use the host cell as machinery to grow and divide.

Viruses are one of the borderline of living and non-living state

Viruses are surrounded by protein coat.

Viruses are very small in size.

None

Select the true statements out of the following.

The lichens are curious because they are composite or dual organism.

All of the above.

Parmelia, Physica, Lecanora etc. have more highly developed apothecia called Lecanorine type in which both fungal and algal components are present.

The apothecium consists of the fungal component only (e.g. Cladonia), such apothecia are called lecideine type.

None

10.

Which class of protozoa is totally parasitic?

Ciliate

Sporozoa

Flagellata

Rhizopda

None

11.

Lichens are important in the studies on atmospheric pollution because they

Efficiently purify the atmosphere

Are very sensitive to pollutants like 𝑆𝑂2

None of the above

Can cause eutrophication

None

12.

Highly resistant thick walled spores produced by bacterial cells during unfavourable conditions are called as

Endospores

Gemmules

Zoospores

Heterocyst

None

13.

CJD caused by

Viroid

Prion

Mycoplasma

Virus

None

14.

A semi-parasite relationship between the algal and fungal components of a lichen is termed as

None of the above

Predation

Helotism

Parasitism

None

15.

Read the following statements about four kinds of microorganisms P, Q, R, and S.

(i) P converts milk into curd.

(ii) Q is used for making antibiotics.

(iii) R contains RNA as genetic material and causes the reduction in immunity of its host.

(iv) S is used to manufacture wine and beer.

Select the correct option.

Q is Lactobacillus and R is yeast

Q is HIV and S is yeast

P is yeast and R is HIV

P is Lactobacillus and Q is Penicillium

None

16.

Bovine spongiform encephalopathy is a disease caused by prions in

Sheep

Cow

Man

Potato

None

17.

Lichens multiply by

Oidia formation

Soredia formation

Bud formation

Conidia formation

None

18.

An example of tumour inducing RNA virus is

Herpes virus

Simian Virus 40 40

Rous Sarcoma

Adeno virus

None

19.

In order to attack a host cell

The virus must have the DNA or RNA key sequence to enter the host cell.

The virus must have the proper enzyme to puncture the membrane of the host cell

The virus must have a particular shape that will match up with the proteins on the surface of the host cell.

The virus must have the enzymes to cause the host cell to burst so that the host cell may be used as raw materials.

None

20.

Which of the following is unicellular?

Euglena

Pinus

Moss

Rhizopus

None

21.

Study the following lists.

List-I	List-II
(A) Sex hormone	(I) Fertilization in Funaria
(B) Cell wall breaking enzyme	(II) Formation of zygophores in Rhizopus
(C) Sugary mucilaginous substance	(III) Formation of buds in Funaria
(D) Naturally occurring growth factor	(IV) Fertilization of Pteris
	(V) Conjugation in Spirogyra

A- (V), B- (IV), C- (III), D- (II)

A- (II), B- (IV), C- (III), D- (II)

A- (V), B- (II), C- (IV), D- (III)

A- (II), B- (V), C- (I), D- (III)

None

22.

Methanogens can be found

In marshes

All of the above

In swamps

In a cow's stomach

None

23.

Bacterial ribosomes are found

On nuclear memberane.

In the cytoplasm.

On the cell wall.

On endoplasmic reticulum.

None

24.

Cell of Amoeba is

Spherical in shape

Spindle shaped

Broad shaped

Indefinite in shape

None

Chapter 1 : THE LIVING WORLD

Chapter2-Biological Classification

Chapter3-Plant Kingdom

Chapter4-Animal Kingdom

Instruction

Curriculum

Ncert - Class 11: Biology - Unit -1

Chapter 1 : THE LIVING WORLD

Chapter2-Biological Classification

Chapter3-Plant Kingdom

Chapter4-Animal Kingdom

MCQ – Practice Test- Chapter2-Biological Classification

Instruction