Biology MCQs

Question 1

Late blight of potato is caused by

Accepted Answer

Phytophthora infestans

Answer

Alternia solanii

Answer

Albugo candida

Answer

Fusarium

Question 2

Amoeba proteus was discovered by

Accepted Answer

Johann Rösel von Rosenhof

Answer

Gerald Durrell

Answer

William Bullock

Answer

Paul Émile de Puydt

Question 3

Which of the fungi is commonly called as bread mould?

Accepted Answer

Rhizopus

Answer

Puccinia

Answer

Ustilago

Answer

All of these

Question 4

In N2 - fixation process, nitrite is converted to nitrate by

Accepted Answer

Nitrobacter

Answer

Azotobacter

Answer

Nitosomonas

Answer

Azospirillum

Question 5

Green mould is common name for

Accepted Answer

Penicillium

Answer

Neurospora

Answer

Mucor

Answer

Saccharomyces

Question 6

Volvox colonies are found in

Accepted Answer

Freshwater ponds

Answer

Salt lakes

Answer

Seawater

Answer

Spring

Question 7

Which one of the following is not reserve food of fungi?

Accepted Answer

Starch

Answer

Glycogen

Answer

Fat

Answer

Both A and B

Question 8

The nitrogen fixing bacteria present in the root nodules of leguminous plant is

Accepted Answer

Rhizobium

Answer

Salmonella

Answer

Clostridium

Answer

Pseudomonas

Question 9

All of the following are true of neurons except that

Accepted Answer

They are a very specialized form of connective tissue

Answer

They conduct a nervous impulse

Answer

Thay are separated from one another by synapses

Answer

When mature, they lose ability to divide