Discussion
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- Question
Pollination is the process by which plants transfer male sex cells from one plant to another. How does the nucleus of the male cell reach the female cell?
Options- A. It travels on the legs of bees and sticks to the egg cell
- B. The pollen grain grows a pollen tube and the nucleus travels down the pollen tube to reach the egg cell
- C. It blows in the wind
- D. None of the above
- Correct Answer
- The pollen grain grows a pollen tube and the nucleus travels down the pollen tube to reach the egg cell
- 1. Single stranded circular RNA encapsidated with a larger RNA in a plant virus is
Options- A. a virion
- B. a viroid
- C. a virusoid
- D. none of these Discuss
- 2. The inosine and hypoxanthine can be determined simultaneously by using
Options- A. inosine sensor
- B. inosine and hypoxanthine sensor
- C. amorphous silicon ISFET
- D. urea sensor Discuss
- 3. Microarray analysis involves biological assays based on
Options- A. gels
- B. filters
- C. purification columns
- D. small glass chips Discuss
- 4. Gene banks conserve stocks of
Options- A. seed only
- B. vegetative material only
- C. seed and vegetative material both
- D. none of these Discuss
- 5. Microarrays are also known as
Options- A. biochips
- B. DNA chips
- C. gene chips
- D. all of these Discuss
- 6. What is the size (in kb) of the tobacco chloroplast genome?
Options- A. 55 kilobase
- B. 155 kilobase
- C. 325 kilobase
- D. 375 kilobase Discuss
- 7. A micro array is an ordered array of microscopic elements on a planer substrate that allows the specific binding of
Options- A. gene or gene products
- B. whole genome
- C. both (a) and (b)
- D. none of these Discuss
- 8. To qualify as a micro array the analytical device must be
Options- A. ordered
- B. microscopic
- C. planer and specific
- D. all of these Discuss
- 9. Biochips are made up of
Options- A. semi-conducting molecules inserted into the protein frame work
- B. conducting molecules inserted into the protein frame work
- C. non-conducting molecules inserted into the protein frame work
- D. any of the above Discuss
- 10. Which of the modification in hemoglobin is the cause of sickle cell anemia?
Options- A. A mutation in the beta chain
- B. A deletion in the beta chain
- C. Replacement of the B chain by D chain
- D. None of the above Discuss
Biosensors and Biochips problems
Search Results
Correct Answer: a virusoid
Correct Answer: inosine sensor
Correct Answer: small glass chips
Correct Answer: seed and vegetative material both
Correct Answer: all of these
Correct Answer: 155 kilobase
Correct Answer: gene or gene products
Correct Answer: all of these
Correct Answer: semi-conducting molecules inserted into the protein frame work
Correct Answer: A mutation in the beta chain
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