As per the new CBSE question paper pattern, the proportion of objective questions has been increased substantially. during the Board 2020, it is expected that at least 25% marks would be devoted to 1 mark questions, which will be mostly application based.
So here are some 1 mark questions from Lesson 8 of XII NCERT "Human health & Diseases.
all these questions are strictly from NCERT. so if you are not able to do 5 or more questions; you need to read the lesson again & again.
👍👍
1-mark questions
So here are some 1 mark questions from Lesson 8 of XII NCERT "Human health & Diseases.
all these questions are strictly from NCERT. so if you are not able to do 5 or more questions; you need to read the lesson again & again.
👍👍
1-mark questions
1. Parasites that
cause diseases are known as _________
2. Mary Mallon
was made famous due to her tolerance to a bacterial disease, of which she was a
carrier, and hence she was known as ____________.
3. Cough due
to pneumonia can be differentiated from cough due to common cold as in prior
___________ are also affected.
4. _______________
is the most serious type of malaria, it is caused due to ___________
5. The initial
attack of Plasmodium takes place in _______________ while that of HIV
takes place in _________
6. Primary
host of Plasmodium is ________________, & secondary host is
_________.
7. Fertilization
of Plasmodium takes place in mosquito’s ___________________
8. Biocontrol
agent used for controlling mosquito larva is _________________.
9. Besides
Dengue, Aedes mosquito are vectors of another viral disease with
widespread occurrence in recent years. Name the disease.
10. _____________________
is the carrier of Entamoeba.
11. A used comb
was placed in the hotel room, which was used by Radha during her stay there. Later
that week she felt dry scaly lesions on her scalp & severe itching. What kind
of infection could she have acquired?
12. Write one
example of a physiological barrier.
13. Full forms:
PMNL, CMI IgA, MALT, ELISA, NACO
14. Anamnestic
response is due to ____________________ (property) of our immune system.
15. _________________
immune response is responsible for graft rejection.
16. A new born
child receives antibodies from his mother through _______________ during
pregnancy and through ______________ after birth. Both these are examples of
______________ immunity.
17. Recombinant
DNA technology is being used to produce _______________ vaccine using _______________
(name of organism).
18. _______________
disease has been completely eradicated due to immunization.
19. _____________
cells are responsible for allergy since they release chemicals like _____________
& _____________. In order to control allergy, doctors recommend _____________
& ____________.
20. Which enzyme
is required for integration of retrovirus genome into human genome?
21. Is it true
that HIV infected cells can survive even when new viruses are being formed and released
from it? How does this effect appearance of disease symptoms?
22. Regulation of
cell division in normal mitotic cells is due to ________
23. ________________
changes benign tumours to malignant tumours.
24. Both CT
& Radiography use X ray? How are the two different?
25. Neoplastic cells
are different from normal cells. This property is used for histopathological
studies to detect _______________ (disease)
26. ______________
are given to activate immune response of AIDS patients.
27. _______________________
are group of drugs used in doping by sportsperson.
28. Smack is a depressant
obtained from ___________________ of morphine.
29. Physiological
response of body dependent on drugs, when drugs are no more taken
__________________
30. ________________
is caused due to liver damage by alcoholism.
31. Anabolic steroids
are taken by sportspersons to increase ____________, but in women may also lead
to ___________________.
32. Circle the
odd one out:
a. Plague,
Diphtheria, Typhoid, Dengue
b. Rhinovirus,
RetroVirus, Bacteriophage, Oncovirus
c. Amoebiasis,
malaria, ascariasis, typhoid
d. Microsporum,
Trichophyton, Epidermophyton, Ringworm
e. Malaria, Amoebiasis,
filariasis, typhoid
f.
Monocytes, Killer T Lymphocyte, B Lymphocyte,
Macrophages
g. Barbiturates,
amphetamines, opioids, bezodiazepines
33. Fill the missing
words in following analogy:
i.
Bacteria : Antibody :: Virus : ________
ii.
Ascariais: Ascairs :: Pneumonia : ________
iii.
Cancer : CT Scan :: Typhoid : _________
iv.
Human : Sporozoites :: Mosquito : _________
v.
Immunodeficiency : AIDS :: Auto-immune : _________
vi.
CT: X ray :: MRI :
__________
vii.
Tonsils : Throat :: Peyer’s Patches : _________________
viii.
Cannabinoids : Cannabis sativa :: cocaine :
_________________
34. State True/
False
i.
Hair loss is a common symptom of Cancer.
ii.
Dopamine is a hormone whose activity is interfered due
to cocaine abuse.
iii.
Antiretroviral
drugs can completely cure AIDS.
iv.
S in AIDS stands for Symptoms
v.
While dealing with snakebite patients, doctors should
choose passive immunity.
vi.
Memory of our immune system is an asset but
specificity a drawback in developing vaccines.
vii.
The antigen binding site are present at C terminal of antibody
molecule.
viii.
Only female mosquito is responsible for the spread of Wuchereria.
35. Who am I?
A. Reservoir of
erythrocytes
B. Formed at
secondary lymphoid organs due to proliferation of lymphocytes as they interact
with antigens.
C. reduce in
size with age, but am responsible for immune response
D. A vestigial
organ but also a secondary lymphoid organ
E. constitute
50% of lymphoid tissue in your body
F. HIV Factory
G. Gene
responsible for oncogenic transformation of cells
H. Source of
hallucinogens
I.
Drugs for Post-surgical care
J.
Alkaloid that stimulates adrenal glands causing rise
in BP & heart rate; also an important carcinogen.
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