Biological Classification Mock Tests

31 questions available

Biological Classification Mock Test 1

Questions: 30

Biological Classification Mock Test 2

Questions: 1

नमूना प्रश्न

Class 11 Biology

Which of the following algae is known to produce a potent neurotoxin responsible for paralytic shellfish poisoning?

A Dinoflagellates (e.g., Gonyaulax)

B Chlamydomonas

C Ulva (Sea lettuce)

D Sargassum

Class 11 Biology

Bacteria belong to the kingdom Monera because they:

A Are prokaryotic organisms lacking a membrane-bound nucleus and organelles

B Are unicellular and reproduce only asexually

C Are autotrophic in nature

D Have a cell wall made of cellulose

Class 11 Biology

Which of the following nucleic acids serves as the genetic material in HIV (Human Immunodeficiency Virus)?

A Double-stranded DNA

B Single-stranded DNA

C Double-stranded RNA

D Single-stranded RNA

Class 11 Biology

Cyanobacteria are incorrectly matched with which feature below?

A Vegetative cells are surrounded by a blue-green color due to phycocyanin

B All cyanobacteria are multicellular and exclusively terrestrial

C Vegetative cells cannot tolerate desiccation but can endure extreme temperatures

D Bloom in nutrient-rich waters causes mass death of aquatic organisms

Class 11 Biology

Mycoplasma differ from other bacteria in which respect?

A They are pathogenic only to plants

B They lack a cell wall and are the smallest living cells

C They possess a rigid cellulose cell wall

D They are capable of photosynthesis

Class 11 Biology

Which of the following is a distinguishing feature of viroids compared to viruses?

A Viroids consist of free RNA without a protein capsid

B Viroids contain DNA as genetic material

C Viroids are larger than most viruses

D Viroids can reproduce independently outside host cells

Class 11 Biology

Which of the following kingdoms in the five-kingdom classification includes cyanobacteria (blue-green algae)?

A Protista

B Fungi

C Monera

D Plantae

Class 11 Biology

Which of the following organisms is classified under the kingdom Monera?

A Amoeba proteus

B Nostoc commutun

C Paramecium caudatum

D Euglena gracilis

Biological Classification Mock Tests

Biological Classification Mock Test 1

Biological Classification Mock Test 2

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