GK-Biology Question and Answer
GK-Biology Question and Answer
21. Other than spreading malaria, anopheles mosquitoes are also vectors of
- dengue fever
- filariasis
- encephalitis
- yellow fever
22. Plants that grow in saline water are called
- halophytes
- hydrophytes
- mesophytes
- thallophytes
24. Placenta is the structure formed
- by the union of foetal and uterine tissue
- by foetus only
- by fusion of germ layers
- None of these
26. Neurospora is used as genetic material because
- it has short life cycle of 10 days
- the product of single meiosis can be easily analysed
- meiotic products are linearly arranged in the form of ordered tetrads
- is a diploid fungus
27. Neurospora is used as genetic material because
- it has short life cycle of 10 days
- the product of single meiosis can be easily analysed
- meiotic products are linearly arranged in the form of ordered tetrads
- is a diploid fungus
28. out of proteins, lipids and carbohydrates present in a cell membrane, what is true?
- Lipids are maximum
- Carbohydrates are minimum
- Carbohydrates are maximum
- All three are in equal proportion
30. Of the following taxonomic categories which is the most inclusive (i.e. is the highest in hierarchy)?
- Order
- Subspecies
- Class
- Genus