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What is the primary focus of the book 'Objective Biology for NEET-Volume I'?
What types of questions are included in the book for AIIMS and similar examinations?
Assertion and reason type questions
The book contains only new questions and does not include previous years' questions.
False
The book is constructed as per the latest __________ curriculum.
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What features are included at the end of the book for self-evaluation?
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Select the incorrect statement:
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Somatic neural system transmits impulse to:
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Identify A, B, C, D, and E:
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Which of the following lacks a neural system?
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Nervous system of hydra is composed of:
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Nissl’s granules are found in all except:
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Dendrites transmit impulse ____ cell body and axon transmits impulse ____ cell body.
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Which of the following systems relays impulse from CNS to skeletal muscles?
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Bipolar axons are found in:
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Unipolar axons are found in:
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Neuron can:
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Schwann cell is absent in:
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Neuron is a _____ structure composed of three major parts cell body _____ and axon.
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Which part do not contain Nissl’s granule?
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Which path of transmission is correct?
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Match the following:
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Study Notes
Objective Biology for NEET-Volume I
- A two-volume set designed for medical aspirants
- Contains practice questions and previous years’ questions
- Focuses on trends in topical coverage and the latest NEET question paper patterns
- Must-have resource for NEET and similar medical entrance examinations
Features
- Aligned with the latest class XI and XII NCERT curriculum
- Includes chapter-wise NCERT Exemplar questions
- Offers a large number of practice questions for understanding
Additional Features
- Includes "Assertion and reason" type questions for AIIMS and similar exams
- Incorporates previous years’ questions into each chapter
- Contains Mock Tests and Sample Papers for self-evaluation
Human Neural System:
- Neural system is a network responsible for quick coordination between organs
- Neural system is complex in vertebrates, but simpler in lower invertebrates
- Human neural system is divided into:
- Central Nervous System (CNS)
- Peripheral Nervous System (PNS)
- CNS is made up of the brain and spinal cord.
- PNS is divided into: - Somatic neural system - Autonomic neural system
- Somatic neural system transmits impulses to skeletal muscles
- Autonomic neural system controls involuntary actions, and is further divided into:
- Sympathetic neural system
- Parasympathetic neural system
Neuron Structure and Function:
- Neuron, a basic unit of the nervous system, is a microscopic structure with three parts:
- Cell body (cyton or soma)
- Dendrites
- Axon
- Dendrites receive impulses and transmit them towards the cell body
- Axon transmits impulses away from the cell body
- Nissl's granules are found in the cell body and dendrites, but absent in the axon
- Neuron types based on axons:
- Unipolar - One axon only, found in embryonic stages
- Bipolar - Two axons, found in retina of eye
Myelin Sheath and Schwann Cells:
- Cell body contains the nucleus.
- Myelin sheath is a fatty layer that surrounds the axon.
- Schwann cells form the myelin sheath in myelinated neurons.
- Myelin sheath is absent in non-myelinated neurons and astrocytes
Functions of Neurons:
- Neurons can:
- Detect stimuli
- Receive stimuli
- Transmit stimuli
Impulse Transmission:
- Impulse transmission direction: Cell body → Axon
- Impulse transmission occurs through:
- Dendrite
- Cell body (cyton or soma)
- Axon
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Description
This quiz is designed for medical aspirants preparing for NEET and similar exams. It focuses on the latest trends in question patterns and includes chapter-wise NCERT Exemplar questions, practice questions, and previous years’ questions. It's an essential tool for mastering biology concepts aligned with the NCERT curriculum.
