Molecular Biology Multiple Choice Questions And Answers

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Biology Solved MCQs Questions And Answers Quiz Test

BIOLOGY SOLVED MCQS ONLINE TEST

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Biology MCQs Quiz Tests

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Biology Science MCQs Solved Objective Type Test

Q.1: Spirochete is an example of---------- ?

1. Aerobic bacteria
2. Anaerobic bacteria
3. Facultative bacteria
4. Microaerophilic

B

Q.2: Purple non-sulphur bacteria is an example of------- ?

1. Heterotrophic bacteria
2. Chemosynthetic bacteria
3. Photosynthetic bacteria
4. Saprotrophic bacteria

C

Q.3: A bacterium with tuft of flagella at both poles is called-------- ?

1. Lophotrichus
2. Monotrichous
3. Peritrichous
4. Amphitrichous

D

Q.4: cells are of----------types ?

1. 4
2. 3
3. 2
4. 1

C

Q.5: Which of the following tracheophytes are also called arthrophytes------- ?

1. Psilopsids
2. Lycopsids
3. Sphenopsids
4. Prteropsids

C

Q.6: Gram positive bacteria appear----------- ?

1. Purple
2. Red
3. Pink
4. Blue

A

Q.7: Which of the following statement about plants is incorrect ?

1. All are eukaryotes
2. They are multicellular.
3. Non-motile organisms
4. They Are heterotrophes

D

Q.8: mitochondria in heart muscles are nearly--------- ?

1. 400
2. 375
3. 350
4. 325

C

Q.9: In some cases the blastomere can produce complete embryo the cleavage will be-------- ?

1. Spiral and determinate
2. Radial and indeterminate
3. Spiral and indeterminate
4. Radial and determinate

B

Q.10: The fate of each blastomere is foretol

The cleavage will be as--------- ?

1. Spiral and indeterminate
2. Radial and indeterminate
3. Radial and indeterminate
4. Spiral and determinate

D

Q.11: The skeleton of the sponges is in the form of variously shaped needle like structures called------- ?

1. Stripules
2. Spicules
3. Brails
4. Spines

B

Q.12: Coelom that develops from the archenteron as outpouching is-------- ?

1. Pseudocoelom
2. Enterocoelom
3. Schizocoelom
4. None of these

B

Q.13: Sperms released in water are carried to the mesenchyme in sponges by--------- ?

1. Amoeboid cell
2. Stipules
3. Spicules
4. Spines

A

Q.14: Which of the following are motile zooids in cnidarians ?

1. Polyps
2. Medusae
3. Both of these
4. None of these

B

Q.15: ------- are the first group of invertebrates which have developed a closed circulatory system ?

1. Nematods
2. Annelids
3. Arthropods
4. Molluscs

B

Q.16: All of the following are true for Platyhelminthes except---------- ?

1. Flatwarms
2. Triploblastic
3. Coelomate
4. Bilateral symmetry

C

Q.17: Which of following system is segmentally arranged in annelids ?

1. Excretory system
2. Digestive system
3. Criculatory system
4. Nervous system

C

Q.18: Which of the following is largest part of brain ?

1. Cerebrum
2. Cerebellum
3. Medulla oblongata
4. Thalamus

A

Q.19: Which of the following allows precise muscular movements---------- ?

1. Cerebrum
2. Cerebellum
3. Thalamus
4. Hypothalamus

B

Q.20: Which of the following cytoplasmic extensions carry the message toward the cell body------- ?

1. Dendrites
2. Axon
3. Both of these
4. none of these

A