English

Biology MCQs: 2800+ Questions & Answers in English

2800+ Biology MCQs in English with answers & explanations. Practice objective questions for competitive exams, interviews & self-assessment — free on Extra E… Use the answer toggle below to show or hide all solutions, tap an option to check one question, or open a question for its own page.

Page 1 of 145

Show answers

Answers hidden — tap an option or use “View Answer” on each question.

Biology MCQs: 2800+ Questions & Answers in English

Primary phloem develops from

Other than spreading malaria, anopheles mosquitoes are also vectors of

Plants that grow in saline water are called

Pyorrhoea is a disease of the

O2 released in the process of photosynthesis comes from

Placenta is the structure formed

Plants hormone that induces cell division is

Neurospora is used as genetic material because

Phloem is a tissue found in

N2 content is kept constant in the biosphere due to

Out of proteins, lipids and carbohydrates present in a cell membrane, what is true?

Potato is a modified form (outgrowth) of:

Of the following taxonomic categories which is the most inclusive (i.e. is the highest in hierarchy)?

Prothrombin which helps in clotting of blood is released by

Myopia is connected with

Which of the following disease is non-communicable in nature?

The right portion of human heart receives which type of blood?

Minamata disease is a nervous disorder caused by eating fish, polluted with which of the following?

In which of the following class can we put Adrenaline?

Which of the following minerals is responsible for the occurrence of the anemia?

Study tips for Biology