Biology Test 101

Question 1
4 / -1

Which one of the following statements about bryophytes is true?

A
Psilopsida is a class of bryophyte.

B
Bryophytes are believed to be the most recently evolved group of plant.

C
The diploid generation of bryophytes is unicellular.

D
Sexual reproductive process of bryophytes can be referred to as alternation of generations.

Question 2
4 / -1

Whch statement is correct ?

(A) R.H.Whittaker proposed five kingdom classification

(B) In zoological parks wild animals are kept in protected environments

(C) Keys are generally analytical in nature

(D) Keys are based on the contrasting characters

A
Only A, B

B
Only B, C

C
Only C, D

D
A, B, C, D

Question 3
4 / -1

The system of classification, which employs numerical method to evaluate the similarities and differences among the species is known as:-

A
Old systematics

B
Cytotaxonomy

C
Chemotaxonomy

D
Adansonian

Question 4
4 / -1

Choose the incorrect statement for keys:-

A
A pair of contrasting characters is called couplet

B
They are analytical in nature

C
Family, genus and species can be identified with a single key

D
Each statement in the key is called lead

Question 5
4 / -1

Read the following statements (A-D) and choose the option with correct ones :-

(A) Fimbriae are helpful in attachment of bacteria to rocks in streams and to the host tissues

(B) Flagellum is composed of filament, hook and Basal body.

(C) Bacteria respond differently to the Gram staining due to difference in their cell wall structure.

(D) Glycocalyx cell wall and plasma membrane are collectively termed as capsule.

A
A, C

B
A, B

C
A, B & C

D
A, B, C & D

Question 6
4 / -1

What is common among Nostoc, Anabaena, Oscilatria and Spirullina :-

A
They all perform nitrogen fixation within heterocysts

B
They all are source of protein

C
They all have enveloped nucleus

D
They all fix carbon-di-oxide into carbohydrates

Question 7

4 / -1

What is a, b, c and d in given table for algae?

Class	Pigment	Stored food	Flagella
Chlorophyceae	Chl. a, b	__a__	2-8 equal
__b__	Chl. a, c, Fucoxanthin	Laminarin	__c__
Rhodophyceae	Chl. a, d, Phycoerythrin	__d__	Absent

a : Starch; b : Pheophyceae; c : 2, Lateral equal; d : Floriden starch

a : Glycogen; b : Pheophyceae; c : 2 Lateral unequal; d : Floriden starch

a : Starch; b : Pheophyceae; c : 2 apical unequal; d : Floriden starch

a : Starch; b : Pheophyceae; c : 2 Lateral unequal; d : Floriden starch

Question 8
4 / -1

Sporangiospore is common mode of asexual reproduction in :-

A
Phycomycetes

B
Deuteromycetes

C
Ascomycetes

D
Basidiomycetes

Question 9
4 / -1

Directions For Questions

Read the following statements :

(A) More than one Archegonia

(B) Show symbiotic associated with Nitrogen fixing Cyanobacteria and fungus

(C) Show heterosporous nature

(D) Reduced male gametophyte is called a pollen grain

...view full instructions

Above statement are related to which option?

A
Bryophytes

B
Gymnosperms

C
Pteridophytes and Gymnosperm

D
Gymnosperm and Angiosperm

Submit Test

Biology Test 10...

Question 1

Psilopsida is a class of bryophyte.

Bryophytes are believed to be the most recently evolved group of plant.

The diploid generation of bryophytes is unicellular.

Sexual reproductive process of bryophytes can be referred to as alternation of generations.

Question 2

Only A, B

Only B, C

Only C, D

A, B, C, D

Question 3

Old systematics

Cytotaxonomy

Chemotaxonomy

Adansonian

Question 4

A pair of contrasting characters is called couplet

They are analytical in nature

Family, genus and species can be identified with a single key

Each statement in the key is called lead

Question 5

A, C

A, B

A, B & C

A, B, C & D

Question 6

They all perform nitrogen fixation within heterocysts

They all are source of protein

They all have enveloped nucleus

They all fix carbon-di-oxide into carbohydrates

Question 7

a : Starch; b : Pheophyceae; c : 2, Lateral equal; d : Floriden starch

a : Glycogen; b : Pheophyceae; c : 2 Lateral unequal; d : Floriden starch

a : Starch; b : Pheophyceae; c : 2 apical unequal; d : Floriden starch

a : Starch; b : Pheophyceae; c : 2 Lateral unequal; d : Floriden starch

Question 8

Phycomycetes

Deuteromycetes

Ascomycetes

Basidiomycetes

Question 9

Bryophytes

Gymnosperms

Pteridophytes and Gymnosperm

Gymnosperm and Angiosperm

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