31. AIDS spread through one of the following methods?
- Breathing near AIDS patients
- Sexual relation after marriage
- Sexual relation without marriage
- Drinking contaminated water of the AIDS patient
Answer:
Sexual relation without marriage
32. The first ever clone of the vertebrate was prepared in 1997 in
- England
- Ireland
- Scotland
- U.S.A
Answer:
Scotland
33. The pollution can be reduced by the absorption of heavy metals from the environment by certain
- Algae
- Fungi
- Bacteria
- Protozoan
Answer:
Algae
34. The study of life in seas & oceans is ?
- Oceanography
- freshwater biology
- Marine biology
- aqua study
Answer:
Marine biology
35. The distribution of organisms in space can be studied through:
- biomes
- biosphere
- ecosystem
- none
Answer:
biomes
36. Cuttentyl number of known species are:
- 1.5 million
- 2.5 million
- 3.0 million
- 3.5 million
Answer:
2.5 million