Biology Evolution Test Questions And Answers

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Biology Past Paper Questions And Answers Mcqs

Q.1: In which of the following example of fungi dikaryotic hyphae exist for long period ?

1. Deuteromycota
2. Basidiomycota
3. Zygomycota
4. All of these

B

Q.2: Which of the protozoa has a striking resemblance to collar cells in sponges-------- ?

1. Zooflagellates
2. Choanflagellates
3. Trypanosomoa
4. Trichonymphas

B

Q.3: Most dinoflagellates are-------- ?

1. Unicellular
2. Multicellular
3. Both of these
4. Zooflagellates

A

Q.4: Maximum speed of nerve impulse transmission is------ ?

1. 100 m/sec
2. 110 m/sec
3. 120m/sec
4. 130 m/sec.

C

Q.5: Hydra has--------- ?

1. Brain
2. Nerves
3. Neuron-cells
4. All of these

C

Q.6: Megaphylls are characteristic for------- ?

1. Ferns
2. Seed plants
3. Both of these
4. None of these

B

Q.7: Of the following which one has glassy shells-------- ?

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

A

Q.8: Most dinoflagellates are-------- ?

1. Unicellular
2. Multicellular
3. Both of these
4. Zooflagellates

A

Q.9: The drfinite shape to ciliates is given by--------- ?

1. Pellicle
2. Penicle
3. Calcium
4. Cell wall

A

Q.10: Normal resting membrane potential of a neuron is-------- ?

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

C

Q.11: Of the following which one has glassy shells------- ?

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

A

Q.12: Kingdom protista includes-------------phyla ?

1. 27
2. 28
3. 26
4. 29

A

Q.13: --------- was first to propose an objective definition of instinct ?

1. Thorpe
2. Darwin
3. Pavlov
4. Kohler

B

Q.14: Cell membrane under resting conditions is impermeable to all the ions except-------- ?

1. Na+
2. K+
3. Cl-
4. PO4-2

B

Q.15: Who coined the term Animalcules for microorganisms like Bacteria and protozoa--------- ?

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

D

Q.16: Which type of the receptors are present in the ear---------- ?

1. Chemoreceptors
2. Mechanoreceptors
3. Photoreceptors
4. Thermoreceptors

B

Q.17: Sporangia of which of the following tracheopytes develop singly on the upper side of sporophylls which may or may not be arranged to form strobili-------- ?

1. Psilopsida
2. Lycopsida
3. Sphenopsida
4. Prteropsida

B

Q.18: Coccobacillus has a shape similar to---------- ?

1. Diplobacillus
2. Sarcina
3. Egg
4. None of these

C

Q.19: Microspore of a seed plant that contain male gametophyte including the gamete is called-------- ?

1. Pollen grain
2. Ovule
3. Microgametophyte
4. Microsporangium

A

Q.20: The arrangement of unequal dichotomous branches in one plane during evolution of leaves is called-------- ?

1. Overtopping
2. Fusion
3. Webbing
4. Planation

D