Discussion
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- Question
Triticale, the first man made cereal is an example of
Options- A. artificial allopolyploidy
- B. artificial autopolyploidy
- C. man made crossing
- D. artificial evolution
- Correct Answer
- artificial allopolyploidy
- 1. Mycorrhizae are symbiotic associations between
Options- A. algae and fungi
- B. root and fungi
- C. bacteria and root
- D. bacteria and fungi Discuss
- 2. The volume of O2 liberated in photosynthesis has which of the following ratio to CO2?
Options- A. 1:1
- B. 2:1
- C. 1:2
- D. 3:1 Discuss
- 3. The study of interaction between living organism and environment is called
Options- A. ecosystem
- B. phytogeography
- C. ecology
- D. photosociology Discuss
- 4. The major source of sugar in the world is
Options- A. watermelon
- B. beetroot
- C. sugarcane
- D. dates Discuss
- 5. A very common mutualistic, symbiotic relationship between a fungus and the roots of a plant is
Options- A. lichen
- B. mycorrhizal
- C. ascomycete
- D. basidiomycete Discuss
- 6. Rice can grow in water submerged soil because the plants
Options- A. have spongy roots
- B. can oxidize the micro-environment around their roots and thus able to absorb oxygen
- C. are adapted to enable roots to ward off toxic products
- D. all of the above Discuss
- 7. The colour of flower is due to the presence of
Options- A. chlorophyll
- B. xanthophylls
- C. florigen
- D. chromoplast or anthocyanin Discuss
- 8. Archaeabacteria differ from the true bacteria as they have
Options- A. different cell membrane lipids
- B. cell wall composition
- C. ribosomal RNA structure
- D. growth not inhibited by antibiotics Discuss
- 9. Gypsum is beneficial for
Options- A. phosphorus enriched soil
- B. water logged soil
- C. alkaline soil
- D. saline soil Discuss
- 10. Which of the following aid plants in the acquisition of nitrogen from nitrogen gas of the atmosphere?
Options- A. Bacteria
- B. Algae
- C. Nematodes
- D. Moulds Discuss
General Plant Biotechnology problems
Search Results
Correct Answer: root and fungi
Correct Answer: 1:1
Correct Answer: ecology
Correct Answer: sugarcane
Correct Answer: mycorrhizal
Correct Answer: all of the above
Correct Answer: chromoplast or anthocyanin
Correct Answer: cell wall composition
Correct Answer: alkaline soil
Correct Answer: Bacteria
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