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HSC Science (General) 12th Standard Board Exam - Maharashtra State Board Important Questions for Biology

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Biology
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Differentiate between sympathetic and parasympathetic nervous system with reference to the following:

  1. Pre and post-ganglionic nerve fibres
  2. Effect on heartbeat
Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Human Nervous System >> Peripheral Nervous System (PNS)

Give reason – All spinal nerves are of mixed type.

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Human Nervous System >> Peripheral Nervous System (PNS)

Write the names of any four motor cranial nerves with their appropriate serial number.

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Human Nervous System >> Peripheral Nervous System (PNS)

Which hormones stimulate liver for glycogenesis and glycogenolysis?

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Human Endocrine Glands and Harmones >> Pancreas (Islets of Langerhans)

Give the name and type of I, IV and VII cranial nerves.

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Human Nervous System >> Peripheral Nervous System (PNS)

Describe nervous system in planaria with well labelled diagram.

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Nervous System in Planaria (Flatworm)

Give the name of endocrine gland which is prominert at birth but gets gradually atrophied in adult stage.

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Human Endocrine Glands and Harmones >> Thymus Gland

Which cells of islets of Langerhans produce a hormone insulin?

Appears in 1 question paper
Chapter: [9] Control and Co-ordination
Concept: Human Endocrine Glands and Harmones >> Pancreas (Islets of Langerhans)

Write a note on ‘artificial acquired active immunity’.

Appears in 1 question paper
Chapter: [10] Human Health and Diseases
Concept: Immunity

Explain the various types of cancer

Appears in 1 question paper
Chapter: [10] Human Health and Diseases
Concept: Cancer

Elephantiasis is caused by ________________.

Appears in 1 question paper
Chapter: [10] Human Health and Diseases
Concept: Disease

Crippling disease is caused due to poisoning of ____________.

Appears in 1 question paper
Chapter: [10] Human Health and Diseases
Concept: Disease

The genotype of human blood group B is ______.

Appears in 1 question paper
Chapter: [10] Human Health and Diseases
Concept: Structure of Antibody

Humtilin is used to treat ____________.

Appears in 1 question paper
Chapter: [10] Human Health and Diseases
Concept: Disease

Write a note on erythrocytes.

Appears in 1 question paper
Chapter: [10] Human Health and Diseases
Concept: Immunity

What are the uses of vaccine?

Appears in 1 question paper
Chapter: [10] Human Health and Diseases
Concept: Immunity

__________ is the infectious stage of Plasmodium.

Appears in 1 question paper
Chapter: [10] Human Health and Diseases
Concept: Disease

Mention the first vaccine developed against any human disease.

Appears in 1 question paper
Chapter: [10] Human Health and Diseases
Concept: Immunity

Summarise the process of vaccine production

Appears in 1 question paper
Chapter: [10] Human Health and Diseases
Concept: Immunity

Give the symptoms of typhoid fever and draw a labelled diagram of its causal organism.

Appears in 1 question paper
Chapter: [10] Human Health and Diseases
Concept: Disease
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