CIE Biology Paper-1: Specimen Questions 103 - 105 of 109

Question number: 103

MCQ▾

Question

What is the sequence of energy flow in aquatic ecosystem?

Choices

Choice (4) Response
a.

Smallfisheslargefishesphytoplanktonzooplankton

b.

Zooplankton→ Phytoplankton→ large fishes →small fishes

c.

Phytoplanktonzooplanktonlargefishessmallfishes

d.

PhytoplanktonZooplanktonsmallfisheslargefishes

Answer

d.

Explanation

In ecosystem energy flow is always unidirectional whether it is terrestrial or aquatic ecosystem. Energy flow will start from producer. producers will eaten by primary consumer and so on. So in given sequence the correct pathway of energy flow will Phytoplankton→ Zooplankton→ small fishes→ large fishes.

Passage

Figure shows how food and air are transported in the human body.

Figure shows transfer of some material through body

Figure shows transfer of some material through body

Figure shows how food and air are transported in the human body

Question number: 104 (1 of 2 Based on Passage) Show Passage

MCQ▾

Question

Name the X and Y given in the picture

Choices

Choice (4) Response
a.

X- Oxygen Y-carbon mono oxide

b.

X-Oxygen and y-Carbon dioxide

c.

X- carbon di oxide Y-oxygen

d.

X- Carbon mono oxide y- carbon di oxide

Answer

b.

Explanation

Gas X - the body inhaled oxygen, And Gas Y is exhaled from the body, which is CO2

Question number: 105 (2 of 2 Based on Passage) Show Passage

MCQ▾

Question

What are the system A and B.

Choices

Choice (4) Response
a.

System A- Digestive system and system B- Circulatory system

b.

System A-Excretory system and system B-reproduction system

c.

System A- Circulatory system and system B digestive system

d.

System A- Circulatory system and system B-Digestive system

Answer

a.

Explanation

in Digestive system food is breakdown into small pieces and circulatory system, permits blood to circulate and transport nutrients in body.

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