11th Standard Syllabus & Materials

11th Standard

TN 11th Tamil இயற்கை வேளாண்மை,சுற்றுச்சூழல் -செய்யுள் - மனோன்மணீயம் Important Questions And Answers Study Material - QB365 Set A

NEW

11th Standard

TN 11th Tamil என்னுயிர் என்பேன் -துணைப்பாடம் - இசைத்தமிழர் இருவர் Important Questions And Answers Study Material - QB365 Set A

NEW

11th Standard

TN 11th Tamil மொழி கலை -செய்யுள் - ஒவ்வொரு புல்லையும் Important Questions And Answers Study Material - QB365 Set A

NEW

11th Standard

TN 11th Tamil பீடு பெற நில் - இலக்கணம் - பகுபத உறுப்புகள் Important Questions And Answers Study Material - QB365 Set A

NEW

11th Standard

TN 11th Tamil பீடு பெற நில் - துணைப்பாடம் - வாடிவாசல் Important Questions And Answers Study Material - QB365 Set A

NEW

11th Standard

TN 11th Tamil பீடு பெற நில் - செய்யுள் - குறுந்தொகை Important Questions And Answers Study Material - QB365 Set A

11th Standard Zoology - Neural Control and Coordination English Medium Free Online Test One Mark Questions 2020 - 2021

Published on: 11/11/2020

Download Tamil Nadu 11th Standard Biology question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.

Questions + Answers key

Take MCQ Biology Test

QB365 Student Learing Managemnet System

Std: 11th Standard - Biology

chapter: - Model Question paper

Visit QB365-SLMS - https://www.qb365.in/slms/ Complete Questions and Answers

Questions:

Multiple Choice Question

10 x 1 = 10

The ________ lobe of the cerebrum controls visual processing.

(a)

Parietal

(b)

Frontal

(c)

Occipital

(d)

Temporal

Facial nerve is a _________ nerve.

(a)

Sensory

(b)

Mixed

(c)

Motor

(d)

Efferent

Pick out the gland which is found in the ear ______________

(a)

Ceruminous glands

(b)

Lacrimal gland

(c)

Ciliary gland

(d)

Salivary gland

Foramen of Munro corresponds to _____________ Ventricle.

(a)

First

(b)

Third

(c)

Second

(d)

Fourth

The sleep and wake cycle is controlled by __________ gland.

(a)

Pituitary

(b)

Pineal

(c)

Thymus

(d)

Adrenal

When the potential across the axon membrane Is more negative than the normal resting potential, the neuron is said to be in a state of ______.

(a)

Depolarization

(b)

Hyperpolarization

(c)

Repolarization

(d)

Hypopolarization

Which of the following statements is wrong regarding conduction of nerve impulse?

(a)

In a resting neuron, the axonal membrane is more permeable to K⁺ ions and nearly impermeable to Na⁺ ions.

(b)

Fluid outside the axon has a high concentration of Na⁺ ions and low concentration of K⁺, in a resting neuron.

(c)

Ionic gradients are maintained by Na⁺ K⁺ pumps across the resting membrane, which transport 3Na ions outwards for 2K⁺ into the cell

(d)

A neuron is polarized only when the outer surface of the axonal membrane possess a negative a charge and its inner surface is positively charged

The respiratory centre is present in the _______.

(a)

Medulla oblongata

(b)

Hypothalamus

(c)

Cerebellum

(d)

Thalamus

Assertion(A): The imbalance in concentration of Na⁺, K⁺ and proteins generates action potential.
Reason(R): To maintain the unequal distribution of Na⁺ and K⁺, the neurons use electrical energy.

(a)

Both Assertion and Reason are true and Reason is the correct explanation of the Assertion.

(b)

Both Assertion and Reason are true but the Reason is not the correct explanations of Assertion.

(c)

Assertion is true, but Reason is false.

(d)

Both Assertion and Reason are false

10.

Which structure in the ear converts pressure waves to action potentials?

(a)

Tympanic membrane