CBSE Class 12 Biology Human Health and Diseases Concept Map

CBSE Class 12 Biology Human Health and Diseases Concept Map. Please refer to the examination notes which you can use for preparing and revising for exams. These notes will help you to revise the concepts quickly and get good marks.

HUMAN HEALTH AND DISEASES

(CONCEPT MAP)

Important Questions for NCERT Class 12 Biology Human Health and Diseases

Ques. Which of the following will be curable in next two decades?
(a) Tuberculosis (b) Cancer
(c) Poliomyelitis (d) None of these 

Answer: B

Ques. The blood cancer is known as
(a) haemolysis (b) haemophilia
(c) leukaemia (d) thrombosis. 

Answer: C

Ques. A metastatic cancerous tumour is termed ‘sarcoma’ if the disorder is in
(a) fibroblasts (b) circulatory system
(c) immune system (d) epithelial cells.

Answer: A

Ques. Drug called ‘Heroin’ is synthesised by
(a) nitration of morphine
(b) methylation of morphine
(c) acetylation of morphine
(d) glycosylation of morphine.

Answer: C

Ques. Which part of poppy plant is used to obtain the drug “smack”?
(a) Flowers (b) Latex
(c) Roots (d) Leaves

Answer: D

Ques. Which one of the following is a hallucinogenic drug?
(a) Caffeine
(b) Morphine
(c) Lysergic acid diethylamide
(d) Opium 

Answer: C

Ques. Cirrhosis of liver is caused by the chronic intake of
(a) opium (b) alcohol
(c) tobacco (chewing) (d) cocaine.

Answer: B

Ques. Select the correct statement from the ones given below.
(a) Barbiturates, when given to criminals, make them tell the truth.
(b) Morphine is often given to persons, who have undergone surgery, as a pain killer.
(c) Chewing tobacco lowers blood pressure and heart rate.
(d) Cocaine is given to patients after surgery as it stimulates recovery. 

Answer: B

Ques. Which one of the following statements is correct?
(a) Benign tumours show the property of metastasis.
(b) Heroin accelerates body functions.
(c) Malignant tumours may exhibit metastasis.
(d) Patients who have undergone surgery are given cannabinoids to relieve pain. 

Answer: C

Ques. Which one of the following is the correct statement regarding the particular psychotropic drug specified?
(a) Morphine leads to delusions and disturbed emotions.
(b) Barbiturates cause relaxation and temporary euphoria.
(c) Hashish causes after thought perceptions and hallucinations.
(d) Opium stimulates nervous system and causes hallucinations. 

Answer: C

Ques. A person showing unpredictable moods, outbursts of emotion, quarrelsome behaviour and conflicts with others is suffering from
(a) addictive disorders
(b) schizophrenia
(c) borderline personality disorder (BPD)
(d) mood disorders. 

Answer: C

Ques. Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness?
(a) Morphine (b) Valium
(c) Amphetamines (d) Hashish 

Answer: B

Ques. Which one of the following is correct match?
(a) Reserpine – tranquilliser
(b) Cocaine – opiatic narcotic
(c) Morphine – hallucinogenic
(d) Bhang – analgesic 

Answer: A

Ques. L.S.D. is
(a) hallucinogenic (b) sedative
(c) stimulant (d) tranquilliser. 

Answer: A

Ques. Which of the following is an opiate narcotic?
(a) Amphetamines (b) LSD
(c) Barbiturates (d) Morphine 

Answer: D

Ques. Nicotine acts as a stimulant, because it mimics the effect of
(a) testosterone (b) dopamine
(c) thyroxine (d) acetylcholine. 

Answer: D

Ques. Opiate narcotic is
(a) bhang (b) charas
(c) heroin (d) nicotine. 

Answer: C

Ques. Analgesic drugs
(a) form tissues (b) relieve pain
(c) relieve fatigue (d) cause pain.

Answer: B

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