Biology Science Multiple Choice Questions With Answers

Easy solved quiz online mcqs test of biology class 11 and 12 for molecular biology quiz with answers. GCSE biology questions and answers chapter wise exams preparation with online question answers for MCAT Preparations. Online biology gk questions and answers for PPSC NTS CSS PMS OTS PTS and others Screening jobs interviews and tests.

Biology MCQs Quiz Tests

Solved comprehensive mcqs in biology with online quiz tests as biology exam questions. In these online solved MCQs quiz tests for class 11 and 12 biology chapter wise questions with solved answers. NCERT based mcq for life science objective questions with answers.

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Biology MCQs Quiz Tests

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Q.1: Which type of sensory structures carrying the touch sensations are present in papillae extending into ridges of the fingertips------- ?

1. Hair end organs
2. Meissner’s Corpuscles
3. Pacinian corpuscles
4. None of these

B

Q.2: Grave’s disease is produced due to--------- ?

1. Undersecretion of thyroxin
2. Overproduction of thyroxin
3. Undersecretion of corticosteroids
4. Overproduction of corticosteroids

B

Q.3: Normal action potential of a neuronal cell is ------- ?

1. plus 50 mv
2. plus 60 mv
3. plus 70 mv
4. plus 80 mv

A

Q.4: Which of the following statement is incorrect about algae---------- ?

1. Their zygote unlike plants is protected by parental tissue
2. Their classification is based on pigment composition
3. Most of them have different morphological forms in-different stages of their life cycle
4. Almost all of them are aquatic

A

Q.5: Golden algae are also known as-------- ?

1. Chrysophyta
2. Phaeophyta
3. Pyrrophyta
4. Rhodophyta

A

Q.6: Who discovered the bacteria causing tuberculosis and also developed various techniques of media preparation and maintenance of pure culture--------- ?

1. Robert Koch
2. Louis Pasteur
3. Alexander Fleming
4. Leeuwenhoek

D

Q.7: Nissl’s granules are present in which part of the neuron------- ?

1. Axoplasm
2. Myelin sheath
3. Dendrite
4. Soma

D

Q.8: Maintenance of normal resting potential via movement of K+ inside the cell and na+ out is a/an ----------- process ?

1. Active
2. Passive
3. Diffusional
4. None of these.

A

Q.9: Of the following which one has glassy shells--------- ?

1. Radiolarians
2. Forams
3. Both of these
4. None of these

A

Q.10: Gibberellins may be substituted for ----------- light, therefore promote flowering in long day plants ?

1. White
2. Red
3. Blue
4. Green

B