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Q. No.Read the statements given below with respect to disease-causing microbes.
a.
All parasites are pathogens as they cause harm to the host.
b.
Pathogens have to adapt to life within the environment of the host.
c.
Pathogen of dysentery lives in the gut of host organism.
d.
Pathogens can enter human body by various means causing functional damage but do not interferes with normal vital activities.
Select the option that contains correct statements:
1. (a) and (b) only
2. (b) and (c) only
3. (a), (b) and (d) only
4. (a), (b), (c) and (d)
Subtopic: Introduction |
55%
From NCERT
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Read the statements given below with respect to common cold.
a. Infection by Rhino virus is the reason for it
b. Infects the nose and respiratory passage except lungs
c. Usually last for 3-7 days
d. Can transmit through sharing of contaminated objects such as pens, books etc.
e. Can be treated by antibiotics as they kill viruses
How many of the above statements are incorrect?
1. One
2. Two
3. Three
4. Four
a. Infection by Rhino virus is the reason for it
b. Infects the nose and respiratory passage except lungs
c. Usually last for 3-7 days
d. Can transmit through sharing of contaminated objects such as pens, books etc.
e. Can be treated by antibiotics as they kill viruses
How many of the above statements are incorrect?
1. One
2. Two
3. Three
4. Four
Subtopic: Common Cold & Malaria Introduction |
55%
From NCERT
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Read the statements A and B carefully and select the correct option.
1. Statements (A) and (B) are correct
2. Statements (A) and (B) are incorrect
3. Only statement (A) is correct
4. Only statement (B) is correct
| Statement (A): | Among non-infectious diseases, cancer is the major cause of death all over the globe. |
| Statement (B): | Malignant malaria caused by Plasmodium malariae is the most serious one. |
1. Statements (A) and (B) are correct
2. Statements (A) and (B) are incorrect
3. Only statement (A) is correct
4. Only statement (B) is correct
Subtopic: Common Cold & Malaria Introduction |
77%
From NCERT
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Read the given statements carefully with respect to health and select the correct option.
1. Normal cells show a property called contact inhibition which appears to be lost in cancerous cells.
2. Some of the diseases like AIDS are non-fatal.
3. When people are healthy they are more deficient at work.
4. Reproductively healthy society means increase in the IMR and MMR.
1. Normal cells show a property called contact inhibition which appears to be lost in cancerous cells.
2. Some of the diseases like AIDS are non-fatal.
3. When people are healthy they are more deficient at work.
4. Reproductively healthy society means increase in the IMR and MMR.
Subtopic: Cancer |
89%
From NCERT
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_______ stage of Plasmodium parasite is not present in humans.
Select the correct option to fill in the blank.
1. Gametocyte
2. Merozoite
3. Ookinete
4. Signet ring
Select the correct option to fill in the blank.
1. Gametocyte
2. Merozoite
3. Ookinete
4. Signet ring
Subtopic: Treatment & Life Cycle of Malaria |
54%
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Match column I with column II with respect to diseases and their symptoms or characteristics.
Select the correct option.
1. a(iii), b(i), c(iv), d(ii)
2. a(ii), b(i), c(iv), d(iii)
3. a(iii), b(i), c(ii), d(iv)
4. a(ii), b(iv), c(i), d(iii)
| Column -I | Column -II |
| a.Pneumonia | (i) Constipation, abdominal pain, stools with excess mucous and blood clots |
| b.Amoebiasis | (ii) Infection occurs in conducting part of human respiratory system |
| c. Ascariasis | (iii) Infection occurs in gaseous exchange part of human respiratory system |
| d. Common cold |
(iv) Internal bleeding, fever, anaemia, blockage of intestinal passage |
Select the correct option.
1. a(iii), b(i), c(iv), d(ii)
2. a(ii), b(i), c(iv), d(iii)
3. a(iii), b(i), c(ii), d(iv)
4. a(ii), b(iv), c(i), d(iii)
Subtopic: Pneumonia & Related Questions | Common Cold & Malaria Introduction | Amoebiasis | Ascariasis & Filariasis |
77%
From NCERT
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Identify the given molecule and select the incorrect option with respect to it.
1. Its receptors are present principally in the brain
2. It is taken by inhalation and oral ingestion
3. It is obtained from Papaver somniferum
4. It affects cardiovascular system of the body
1. Its receptors are present principally in the brain
2. It is taken by inhalation and oral ingestion
3. It is obtained from Papaver somniferum
4. It affects cardiovascular system of the body
Subtopic: Drugs & Alcohol Abuse |
72%
From NCERT
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The active form of protozoa causing amoebic dysentery feeds upon
1. Erythrocytes only
2. Mucosa and submucosa of duodenum
3. Erythrocytes, mucosa and submucosa of colon
4. Mucosa and submucosa of colon only
1. Erythrocytes only
2. Mucosa and submucosa of duodenum
3. Erythrocytes, mucosa and submucosa of colon
4. Mucosa and submucosa of colon only
Subtopic: Amoebiasis |
66%
From NCERT
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Select the event that is responsible for the chills and high fever recurring every three to four days in a person suffering with Plasmodium infection.
1. Entry of sporozoites in the RBCs of human host through mosquito bite
2. Multiplication of sporozoites within hepatocytes
3. Rupture of RBCs to release haemozoin in blood
4. Development of gametocytes
1. Entry of sporozoites in the RBCs of human host through mosquito bite
2. Multiplication of sporozoites within hepatocytes
3. Rupture of RBCs to release haemozoin in blood
4. Development of gametocytes
Subtopic: Treatment & Life Cycle of Malaria |
92%
From NCERT
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Study the given diagram of an antibody molecule and the given two statements about it:
Statement I: The antibody molecule shown is IgM.
Statement II: It is the only class of antibody molecule capable of crossing the placenta freely.
1. Only Statement I is correct
2. Only Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect
Statement I: The antibody molecule shown is IgM.
Statement II: It is the only class of antibody molecule capable of crossing the placenta freely.
1. Only Statement I is correct
2. Only Statement II is correct
3. Both Statement I and Statement II are correct
4. Both Statement I and Statement II are incorrect
Subtopic: Human Immune System |
62%
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