Biological Classification Questions — NEET Biology

Q1

Plant decomposers are

A Monera and fungi

B Fungi and plants

C Protista and animalia

D Animalia and monera

Correct Answer

Option A

Solution

(a) Plant decomposers are bacteria (Kingdom Monera) and fungi.

Q2

The vector for sleeping sickness is

A House fly

B Tse-Tse fly

C Sand fly

D Fruit fly

Correct Answer

Option B

Solution

(b) Vector for sleeping sickness is Tse-Tse fly (Glossina palpalis).

Q3

Which of the following organism possesses characteristics of both a plant and an animal?

A Bacteria

B Euglena

C Mycoplasma

D Paramecium

Correct Answer

Option B

Solution

(b) Euglena has both plant and animal characteristics - it can move with a flagella and contains chlorophyll.

Q4

Mycorrhiza represents

A antagonism

B endemism

C symbiosis

D parasitism

Correct Answer

Option C

Solution

(c) Mycorrhiza is a symbiotic association between fungi and roots of higher plants.

Q5

What is true for cyanobacteria?

A Oxygenic with nitrogenase

B Oxygenic without nitrogenase

C Non-oxygenic with nitrogen

D Non-oxygenic without nitrogenase

Correct Answer

Option A

Solution

(a) Cyanobacteria are oxygenic photoautotroph and many members perform nitrogen fixation.

Q6

The causal organism for African sleeping sickness is

A Trypanosoma cruzi

B T. rhodesiense

C T. tangela

D T. gambiense

Correct Answer

Option D

Solution

(d) African sleeping sickness is caused by Trypanosoma gambiense transmitted by Tse-Tse fly.

Q7

Organisms which are indicator of SO2 pollution of air

A Mosses

B Lichens

C Mushrooms

D Puffballs

Correct Answer

Option B

Solution

(b) Lichens are indicator of air pollution. They do not grow in high SO2 pollution environments.

Q8

Plasmodium, the malarial parasite, belongs to class

A Sarcodina

B Ciliata

C Sporozoa

D Dinophyceae

Correct Answer

Option C

Solution

(c) Plasmodium belongs to class Sporozoa of protozoan protists.

Q9

Most of the Lichens consist of

A blue-green algae and basidomycetes

B blue-green algae and ascomycetes

C red algae and ascomycetes

D brown algae and phycomycetes

Correct Answer

Option B

Solution

(b) The lichen fungus is typically a member of the Ascomycota.

Q10

The main difference in Gram (+)ve and Gram (-)ve bacteria resides in their

A cell wall

B cell membrane

C cytoplasm

D flagella

Correct Answer

Option A

Solution

(a) Gram +ve and Gram -ve bacteria are separated on the basis of their cell wall composition.