1. A
2. B
3. C
4. D
5. E
A
1. A
2. B
3. C
4. D
5. E
D
1. A
2. B
3. C
4. D
5. E
A
1. A
2. B
3. C
4. D
5. E
A
1. A
2. B
3. C
4. D
5. E
A
1. persistent organic pollutants
2. global warming and climate change
3. substances that deplete the ozone layer
4. biosafety of genetically modified organisms
substances that deplete the ozone layer
1. are capable of surviving in harsh environmental conditions
2. indicate presence of certain minerals in the soil
3. have become rare due to over exploitation
4. play an important role in supporting other species
play an important role in supporting other species
1. found in human ovaries
2. a source of hormones
3. characterised by a yellow colour
4. contributory in maintaining pregnancy
characterised by a yellow colour
1. species diversity
2. induced mutations
3. genetic diversity
4. hybridization
genetic diversity
1. saprobes or parasites, having mycelia, asexual reproduction by fragmentation, sexual reproduction by fusion of gametes
2. slimy mass of multinucleate protoplasm, having pseudopodia like structures for engulfing food, reproduction through fragmentation or zoospores
3. prokaryotic organisms, cellular or acellular, saprobes or autotrophic reproduce by binary fission
4. eukaryotic, single-celled or filamentous, saprobes or autotrophic, asexual reproduction by division of haploid individuals, sexual reproduction by fusion of two cells or their nuclei
slimy mass of multinucleate protoplasm, having pseudopodia like structures for engulfing food, reproduction through fragmentation or zoospores