IGCSE Biology Paper-3: Specimen Questions with Answers 126 - 130 of 358

Passage

The diagram shows different steps of a cycle

The Given Figure Show a Hydrological Cycle

Question 126 (1 of 2 Based on Passage)

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Name the cycle of given diagram

Explanation

Hydrological cycle or water cycle

Question 127 (2 of 2 Based on Passage)

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How many processes occur from stage S to stage P?

Explanation

Two processes takes place from stage S to P. First, is evaporation and second is condensation

Question 128

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What do you mean by Malacophily

Explanation

When Snails and slugs are responsible for flower pollination.

Question 129

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List two producers name and three consumers name from given food web

Shows Food Web of Forest Ecosystem with Various Food Chains

Explanation

Producers- Oak tree, Grass

Consumer-deer, wolf, rabbit, squirrel

Question 130

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Table shows one difference between self-pollination and cross-pollination. Complete Table by listing three more differences.

Table Shows One Difference between Self-Pollination and Cross-Pollination
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

Completed Table with Difference between Self-Pollination and Cross-Pollination
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

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