Haemophilia is a genetic disorder which leads to
- (a)decrease in haemoglobin level
- (b)rheumatic heart disease
- (c)decrease in WBC
- (d)non-clotting of blood
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Official answer(d) non-clotting of blood
Biotechnology & Genetics
56 questions in Science & Technology.
Asked in 1998, 1997, 1996
Which one of the following types of micro-organisms is most widely used in industries?
- (a)Bacteria
- (b)Bacteria and fungi
- (c)Bacteria and algae
- (d)Bacteria, micro-algae and fungi
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Official answer(d) Bacteria, micro-algae and fungi
Which one of the following techniques can be used to establish the paternity of a child?
- (a)Protein analysis
- (b)Chromosome counting
- (c)Quantitative analysis of DNA
- (d)DNA finger-printing
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Official answer(d) DNA finger-printing
The sequencing of the entire genome (the totality of all genes) of an organism was completed in 1996. The organism was
- (a)albino mouse
- (b)yeast
- (c)human being
- (d)Plasmodium vivax
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Official answer(b) yeast
Which of the following professional(s) are more likely to run the risk of a permanent change in their cell’s DNA? I. Researchers using carbon-14 isotope II. X-ray technician III. Coal miner IV. Dyer and painter Select the correct answer using the codes given below:
- (a)II alone
- (b)I, II and III
- (c)I, II and IV
- (d)I, III and IV
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Official answer(c) I, II and IV
It is possible to produce seedless tomato fruits by
- (a)applying trace elements in tomato fields
- (b)spraying mineral solution on plants
- (c)spraying hormones on flowers
- (d)applying fertilisers containing radioactive elements
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Official answer(c) spraying hormones on flowers