IGCSE Biology Paper-3: Specimen Questions with Answers 44 - 51 of 358

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Passage

Figure below shows dispersal method of plant.

Various Dispersal Methods like Milkweed and Dandelion

Question 44 (1 of 2 Based on Passage)

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Short Answer▾

What is the mechanism of fruit and seed dispersal by animals?

Explanation

Some animals digest only juicy parts of the fruit and pips are pass by animal՚s digestive system. After excretion, it may form a new plant. Birds are also useful for dispersal method by their droppings. Some plant seeds have hook, which can easily transfer by animal՚s fur.

Question 45 (2 of 2 Based on Passage)

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Which type of dispersal method is this?

Explanation

Given picture shows Dispersal method by wind in plants.

Question 46

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What are the main types of asexual reproduction?

Explanation

Binary Fission

  • Budding
  • Vegetative reproduction
  • Spore
  • Fragmentation

Passage

Figure shows changes in the population of yeast during the production of beer.

Graph Represents Changes in the Population

Question 47 (1 of 3 Based on Passage)

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Write an equation, in either words or chemical symbols, for aerobic respiration.

Explanation

Question 48 (2 of 3 Based on Passage)

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What is the scientific name of yeast?

Explanation

Saccharomyces cerevisiae

Question 49 (3 of 3 Based on Passage)

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On Figure name the phase labelled X.

Explanation

Lag phase

Question 50

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Short Answer▾

By which process carbon is remove from atmosphere

Explanation

Photosynthesis

Question 51

Question

MCQ▾

What is bladder?

The Figure Shows Male Reproductive System

Choices

Choice (4)

a.

B

b.

A

c.

C

d.

D

Answer

b.

Explanation

Bladder is the that part of body which collects urine eliminate by the kidneys previously removal by urination. It is a hollow muscular, and elastic organ.

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