Class XI · Biology practice

Biological Classification MCQs

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300 questions in this collection · Page 4 of 30

Question 31 of 300

📘 CLASS XI

Biological Classification

When deprived of sunlight, Euglenoids survive by:

Euglenoids become heterotrophic in the absence of sunlight and feed on smaller organisms.

Question 32 of 300

📘 CLASS XI

Biological Classification

During unfavourable conditions, the plasmodium of slime moulds differentiates to form fruiting bodies that bear spores. These spores are notable because:

Slime mould spores possess resistant true walls enabling them to survive adverse conditions for many years.

Question 33 of 300

📘 CLASS XI

Biological Classification

Which amoeboid protozoan is widely known to act as a parasite?

Entamoeba is an amoeboid protozoan that lives as a parasite in humans.

Question 34 of 300

📘 CLASS XI

Biological Classification

Which environmental conditions do fungi prefer for growth?

Fungi grow best in warm and humid environments.

Question 35 of 300

📘 CLASS XI

Biological Classification

In fungi, continuous tubes filled with multinucleated cytoplasm are called:

Coenocytic hyphae are aseptate fungal hyphae containing multinucleated cytoplasm.

Question 36 of 300

📘 CLASS XI

Biological Classification

Which of the following describes the spore production in Ascomycetes?

Conidia are produced exogenously on conidiophores, whereas ascospores are produced endogenously inside asci.

Question 37 of 300

📘 CLASS XI

Biological Classification

Which of the following members of Ascomycetes are edible and considered delicacies?

Morels and truffles are edible ascomycetes regarded as delicacies.

Question 38 of 300

📘 CLASS XI

Biological Classification

In Basidiomycetes, basidiospores are produced:

Basidiospores are formed externally on the basidium after meiosis.

Question 39 of 300

📘 CLASS XI

Biological Classification

Which fungus is widely known as a parasitic rust fungus belonging to Basidiomycetes?

Puccinia is the common rust fungus and belongs to Basidiomycetes.

Question 40 of 300

📘 CLASS XI

Biological Classification

A large number of Deuteromycetes play a significant ecological role as:

Many deuteromycetes decompose organic litter and contribute significantly to mineral cycling.

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