Biology Mcqs XI [Co-Ordination And Control] Online Test 2

Biology Mcqs XII [Co-Ordination And Control] MCQS Online Test - 2

Biology Aptitude Test. 10 Questions from Chapter # 17 Co-Ordination And Control

Q1. Which one of the following is synthetic cytokinin?

• Creatin
• Zeatin
• Cytokin
• Reatin
• Kinetin

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Q2. The most important role of ethane (a gas) is:

• It Triggers Ripening of fruit
• It break seed dormancy
• Initiation of Roots
• Parth enocarpy
• It causes stomata to close

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Q3. Special kind of animal cell which can generate and conduct electric current is:

• Nephon
• Neurons
• Neuroglial cells
• Histiocytes
• Myocytes

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Q4. Cell body of neuron is called:

• Roma
• Koma
• Soma
• Neuroma
• Glioma

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Q5. Cell body of neurons contains “NlSSL SUBSTANCE” which consists of:

• Mitochondria
• Lysosomes
• Peroxisomes
• Nucleolus
• Ribosornes

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Q6. Axon originates from a pyramid like area of soma called:

• Node of Ranvier
• Axon – halloick
• Axon – Buttock
• Axon – Takeoff
• Myelin Sheath

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Q7. Neurons takes commands of the control centre to the effectors are:

• Sensory Neurons
• Neuroglial Cells
• Motor Neurons
• Inter Neurons
• Sub-sensory Neurons

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Q8. Resting membrane potential of neurons Is:

• - 30 mV to – 45 mV
• - 20 mV to – 50 mV
• - 45 mV to – 65 mV
• - 40 mV to – 90 mV
• - 50 mV to – 85 mV

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Q9. Neuron depolarizes at

• - 65mV
• - 30 mV
• - 40 mV
• + 40 mV
• + 65 mV

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Q10. The region where the impulse moves from one neurons to another is:

• Axon-Halloick
• Synapse
• Node of Ranvier
• Soma
• Melin Sheath

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Finish!

Co-Ordination And Control Test - 3

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