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SCERT Maharashtra Question Bank solutions for 12th Standard HSC Biology Maharashtra State Board 2021 chapter 9 - Control and Co-ordination [Latest edition]

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12th Standard HSC Biology Maharashtra State Board 2021 - Shaalaa.com

Chapter 9: Control and Co-ordination

MCQVery Short AnswerShort Answer 1Short Answer 2Long Answer
MCQ

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Biology Maharashtra State Board 2021 Chapter 9 Control and Co-ordination MCQ

1 Mark

MCQ | Q 1

Diffused type of nervous system is seen in ______.

  • Hydra

  • Planaria

  • Cockroach

  • Earthworm

MCQ | Q 2

Planaria shows ______ type of nervous system.

  • nerve net

  • ladder

  • ganglionated

  • brain

MCQ | Q 3

In order for a stimulus to be effective, the stimulus must have a minimum intensity called ______ stimulus.

  • subliminal

  • depolarised

  • threshhold

  • polarised

MCQ | Q 4

The resting potential of a neuron is ______.

  • 30 millivolts

  • -30 millivolts

  • 70 millivolts

  • -70 millivolts

MCQ | Q 5

The third ventricle of brain is connected to the fourth ventricle of brain through ______.

  • Foramen of Monro

  • Duct of Sylvius

  • Metacoel

  • Eustachian tube

MCQ | Q 6

Degeneration of dopamine producing neurons in the CNS causes ______ disease.

  • ADHD

  • Alzheimer’s

  • Parkinson’s

  • Fever

MCQ | Q 7

______ is a mineralocorticoid secreted by Adrenal gland.

  • Aldosterone

  • Cortisol

  • Corticoid

  • Androgen

MCQ | Q 8

______ has an important role in the development of immune system by maturation of T lymphocytes.

  • Thyroxine

  • Thymosin

  • Aldosterone

  • ParathormoneMCQ

MCQ | Q 9

Hyper secretion of growth hormone in childhood cause ______.

  • Acromegaly

  • Dwarfism

  • Gigantism

  • Goitre

MCQ | Q 10

______ shows gastric contractions and inhibit the secretion of gastric juice.

  • Gastrin

  • Secretin

  • Entero- gastrone 

  • Inhibin

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Very Short Answer

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Biology Maharashtra State Board 2021 Chapter 9 Control and Co-ordination Very Short Answer

1 Mark

Very Short Answer | Q 1

Which cells of PNS secrete myelin sheath around the nerves?

Very Short Answer | Q 2

Give function of astrocytes in nervous system.

Very Short Answer | Q 3

What is the covering of nerve fascicule called?

Very Short Answer | Q 4

How electrical synapse differs from chemical synapse?

Very Short Answer | Q 5

Very very short answer question.

What is the function of the red nucleus?

Very Short Answer | Q 6

Define Saltatory conduction.

Very Short Answer | Q 8

Which disease is caused by hyper secretion of Glucocorticoids?

Very Short Answer | Q 9

Which organ acts a temporary endocrine gland in females?

Very Short Answer | Q 10

Give one role of hormone therapy.

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Short Answer 1

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Biology Maharashtra State Board 2021 Chapter 9 Control and Co-ordination Short Answer 1

2 Mark

Short Answer 1 | Q 1

‘Injury to the medulla oblongata causes sudden death’ Explain.

Short Answer 1 | Q 2

Which two hormones are responsible for the regulation of calcium and phosphorus in the blood?

Short Answer 1 | Q 3

Describe any two hormones produced by the ovaries.

Short Answer 1 | Q 4

Name the glucocorticoid used in treatment of allergy and why?

Short Answer 1 | Q 5

Which hormone is secreted by Pineal gland? What is its function?

Short Answer 1 | Q 6

Sketch and label T.S of Spinal cord.

Short Answer 1 | Q 7

Sketch and label V.S of Pituitary gland.

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Short Answer 2

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Biology Maharashtra State Board 2021 Chapter 9 Control and Co-ordination Short Answer 2

3 mark

Short Answer 2 | Q 1

Write a note on meninges of Brain.

Short Answer 2 | Q 2

Describe any three functions of hypothalamus.

Short Answer 2 | Q 3

Name three Mixed cranial nerves along with their numbers.

Short Answer 2 | Q 4

Distinguish between

Cerebrum and Cerebellum.

Short Answer 2 | Q 5

Answer the questions after observing the diagram given below.

  1. What acts as the first messenger?
  2. Why can’t hormones like catecholamines enter their target cells through plasma membrane?
  3. Name the mode of hormone action shown in the diagram.
Short Answer 2 | Q 6

Complete the table based on disorders caused due to under secretion or over secretion of Thyroid gland.

Secretion Adults Children
Hypo secretion    
Hyper secretion    
Short Answer 2 | Q 7

Give the names of the hormones released by neurohypophysis.

A boy shows excessive thirst and micturition because of deficiency of a hormone secreted by neurohypophysis. Name the disease he is suffering from.

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Long Answer

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Biology Maharashtra State Board 2021 Chapter 9 Control and Co-ordination Long Answer

4 Mark

Long Answer | Q 1

Describe the functional areas of Cerebrum.

Long Answer | Q 2

Distinguish between

Sympathetic and parasympathetic nervous system.

Long Answer | Q 3

Describe any four hormones secreted by Adenohypophysis. 

Long Answer | Q 4

Write a note on the four different kinds of cell in Pancreas.

Long Answer | Q 5

Complete the flowchart of the process of conduction of nerve impulse.

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Chapter 9: Control and Co-ordination

MCQVery Short AnswerShort Answer 1Short Answer 2Long Answer
12th Standard HSC Biology Maharashtra State Board 2021 - Shaalaa.com

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Biology Maharashtra State Board 2021 chapter 9 - Control and Co-ordination

SCERT Maharashtra Question Bank solutions for 12th Standard HSC Biology Maharashtra State Board 2021 chapter 9 (Control and Co-ordination) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Maharashtra State Board 12th Standard HSC Biology Maharashtra State Board 2021 solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. SCERT Maharashtra Question Bank textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in 12th Standard HSC Biology Maharashtra State Board 2021 chapter 9 Control and Co-ordination are Nervous System in Hydra, Nervous System in Planaria (Flatworm), Neural Tissue, Synapse, Transmission of Nerve Impulse, Human Nervous System, Human Eye, Human Ear, Disorders of Nervous System, Endocrine System, The Hypothalamus, Pituitary Gland Or Hypophysis Gland, The Pineal Gland, Thyroid Gland, Parathyroid Gland, Thymus Gland, Adrenal Gland/Suprarenal Gland, Pancreas, Gonads, Diffuse Endocrine Glands.

Using SCERT Maharashtra Question Bank 12th Board Exam solutions Control and Co-ordination exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in SCERT Maharashtra Question Bank Solutions are important questions that can be asked in the final exam. Maximum students of Maharashtra State Board 12th Board Exam prefer SCERT Maharashtra Question Bank Textbook Solutions to score more in exam.

Get the free view of chapter 9 Control and Co-ordination 12th Board Exam extra questions for 12th Standard HSC Biology Maharashtra State Board 2021 and can use Shaalaa.com to keep it handy for your exam preparation

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