Which of the following is not an autoimmune disease?
Psoriasis
Rheumatoid arthritis
Vitiligo
Alzheimer's disease
D.
Alzheimer's disease
Rheumatoid arthritis is an autoimmune disorder in which antibodies are produced against the synovial membrane and cartilage.
Vitiligo causes white patches on skin also characterised as the autoimmune disorder.
Psoriasis is a skin disease that causes itchy or sore patches of thick red skin and is also autoimmune.
Alzheimer's disease is a neurodegenerative disorder due to deficiency of neurotransmitter acetylcholine.
Which of the following options correctly represents the lung conditions in asthma and emphysema, respectively?
Inflammation of bronchioles; Decreased respiratory surface
Increased number of bronchioles;Increased respiratory surface
Decreased respiratory surface;Inflammation of bronchioles
Increased respiratory surface;Inflammation of bronchioles
In which disease does mosquito-transmitted pathogen cause chronic inflammation of lymphatic vessels?
Elephantiasis
Ascariasis
Amoebiasis
Ringworm disease
Which of the following characteristics represent ‘Inheritance of blood groups’ in humans?
a. Dominance
b. Co-dominance
c. Multiple allele
d. Incomplete dominance
e. Polygenic inheritance
b, c and e
a, b and c
a, c and e
b, d and e
All of the following are included in ‘ex-situ conservation’ except
Wildlife safari parks
Sacred groves
Seed banks
Botanical gardens
In a growing population of a country,
pre-reproductive individuals are more than the reproductive individuals
reproductive individuals are less than the post-reproductive individuals.
pre-reproductive individuals are less than the reproductive individuals.
reproductive and pre-reproductive individuals are equal in number.
Match the items given in Column I with those in Column II and select the correct option given below :
| Column I | Column II | ||
| a | Eutrophication | i | UV-B radiation |
| b | Sanitary landfill | ii | Deforestation |
| c | Snow blindness | iii | Nutrient enrichment |
| d | Jhum cultivation | iv | Waste disposal |
| a | b | c | d |
| ii | i | iii | iv |
| a | b | c | d |
| i | iii | iv | ii |
| a | b | c | d |
| i | ii | iv | iii |
| a | b | c | d |
| iii | iv | i | ii |
Which one of the following population interactions is widely used in medical science for the production of antibiotics?
Commensalism
Mutualism
Amensalism
Parasitism
The similarity of bone structure in the forelimbs of many vertebrates is an example of
Homology
Analogy
Adaptive radiation
Convergent evolution
