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- Question
The valve present between left auricle and left ventricle is
Options- A. Mitral
- B. Tricuspid
- C. Semilunar
- D. Pulmonary
- Correct Answer
- Mitral
- 2. Maximum fixation of solar energy is done by
Options- A. Fungi
- B. Protozoa
- C. Bacteria
- D. Green plants Discuss
- 3. What is scientific name of "Cotton" ?
Options- A. Azadhirachta Indica
- B. Phaseolies auicus
- C. Gossypium Herbaceum
- D. Ficus Benghalensis Discuss
- 4. Tissue in which cells have lost the capacity of cell division
Options- A. Mesristmatic tissue
- B. Permanent tissue
- C. Both a and b
- D. None of these Discuss
- 5. Nitrogen fixing bacteria is useful in growing which crop ________
Options- A. Wheat
- B. Paddy
- C. Legume
- D. Maiz Discuss
- 6. Yellow color of urine is due to presence of
Options- A. Bile juice
- B. Urochrome
- C. Lymph
- D. Cholesterol Discuss
- 7. Variable number of tandem repeats (VNTRs) in the DNA molecule are highly useful in
Options- A. Recombinant DNA technology
- B. Monoclonal antibody production
- C. Stemcell culture
- D. DNA fingerprinting Discuss
- 8. Some species of which of the below kinds of organisms are employed as biopesticides? 1.Bacteria 2. Fungi 3. Flowering plants
Options- A. 1 only
- B. 2 and 3 only
- C. 1 and 3 only
- D. 1, 2 and 3 Discuss
- 9. What do eukaryotic cells have that prokaryotic cells do not?
Options- A. Nucleus
- B. Cytoplasm
- C. Ribosomes
- D. DNA Discuss
- 10. The universal donor belongs to blood group
Options- A. A
- B. B
- C. AB
- D. O Discuss
Biology problems
Search Results
Correct Answer: Green plants
Correct Answer: Gossypium Herbaceum
Correct Answer: Permanent tissue
Correct Answer: Legume
Correct Answer: Urochrome
Correct Answer: DNA fingerprinting
Correct Answer: 1 only
Correct Answer: Nucleus
Correct Answer: O
Explanation:
The persons with 'O' blood group do not have antigens in the red corpuscles. So that blood will not cause agglutination of corpuscles if mixed with any type of blood. So group 'O' persons are called universal donors.
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