IGCSE Biology Paper-3: Specimen Questions with Answers 126 - 130 of 358
Passage
The diagram shows different steps of a cycle
Question 126 (1 of 2 Based on Passage)
Explanation
Hydrological cycle or water cycle
Question 127 (2 of 2 Based on Passage)
Explanation
Two processes takes place from stage S to P. First, is evaporation and second is condensation
Question 128
Explanation
When Snails and slugs are responsible for flower pollination.
Question 129
Write in Short
Short Answer▾List two producers name and three consumers name from given food web
Explanation
Producers- Oak tree, Grass
Consumer-deer, wolf, rabbit, squirrel
Question 130
Write in Short
Short Answer▾Table shows one difference between self-pollination and cross-pollination. Complete Table by listing three more differences.
Self-pollination | Cross pollination |
1. Transfer of pollen grain from anther to the stigma of same flower | 1. Transfer of pollen from anther of one flower to the stigma of genetically different flower |
2. |
Explanation
Self-pollination | Cross pollination |
1. Transfer of pollen grain from anther to the stigma of same flower | 1. Transfer of pollen from anther of one flower to the stigma of genetically different flower |
2. Plant become homozygous | 2. Plant remains heterozygous |
3. Highly useful characters are preserved | 3. Unable to preserve highly useful characters |
4. It produce pure lines | 4. Variations occur in cross pollination |