PMT 2009 Multiple Choice Questions (Part 9 of 10)
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- Polyethylene glycol method is used for
- Gene transfer without a vector
- Biodiesel production
- Seedless fruit production
- Energy production from sewage
- Answer: a
- Which one of the following pairs is wrongly matched
- Detergents-lipase
- Alcohol-nitrogenase
- Fruit juice-pectinase
- Textile-amylase
- Answer: b
- A person likey to develop tetanus is immunized by administering
- Dead germs
- Preformed antibodies
- Wide spectrum antibiotics
- weakened germs
- Answer: b
- Biochemical Oxygen Demand (BOD) in a river water
- Remains unchanged when algal bloom occurs
- Has no relationship with concentration of oxygen in the water
- Gives a measure of salmonella in the water
- Increases when sewage gets mixed with river water
- Answer: d
- Which one of the following is the correct matching of the events occurring during menstrual cycle
- Ovulation: LH and FSH attain peak level and sharp fall in the secretion of progesterone
- Proliferative phase: Rapid regeneration of myometerium and maturation of Grasfian follicle
- Development of corpus luteum: Secretory phase and increased secretion of progesterone
- Menstruation: Breakdown of myometrium and ovum not fertilised
- Answer: c
- Cyclic photophosphorylation result in the formation of
- NADPH
- ATP and NADPH
- ATP, NADPH and O2
- ATP
- Answer: d
- Globulins contained in human blood plasma are primarily involved in
- Defence mechanisms of body
- Osmotic balance of body fluids
- Oxygen transport in the blood
- Clotting of blood
- Answer: a
- Which of the following is a symbiotic nitrogen fixer
- Glomus
- Azotobacter
- Frankia
- Azolla
- Answer: c
- An example of axile placentation is
- Argemone
- Dianthus
- Lemon
- Marigold
- Answer: c
- Semiconservative replication of DNA was first demonstrated in
- Drosophila melanogaster
- Escherichia coli
- Streptococcus pneumoniae
- Salmonella typhimurium
- Answer: b