CIE Biology Paper-3: Specimen Questions with Answers 15 - 20 of 230

Passage

Study the classification chart below.

Picture shows types of microorganisms and their examples

Picture Shows Types of Microorganisms and Their Examples

found the wrongly classified organism in given picture

Question number: 15 (2 of 3 Based on Passage) Show Passage

Short Answer Question▾

Write in Short

Which one of the organisms above has been classified wrongly?

‎Explain your answer.

Explanation

Bacillus. Bacillus is an example of Bacteria. It is rod-shaped bacteria and a member of the phylum Firmicutes.

Question number: 16 (3 of 3 Based on Passage) Show Passage

Short Answer Question▾

Write in Short

How does yeast useful for human beings?

Explanation

Yeast is useful in bread making, wine making, and for production of alcoholic beverages.

Question number: 17

MCQ▾

Question

This is a diagram of zonation of fresh water ecosystem. The part X is known as.

This is a diagram of zonation of fresh water ecosystem

This is a Diagram of Zonation of Fresh Water Ecosystem

Image of zonation of fresh water ecosystem

Choices

Choice (4) Response

a.

Profundal zone

b.

Limnetic zone

c.

Neritic zone

d.

Littoral Zone

Answer

a.

Explanation

This zone is also known as aphotic zone where light cannot penetrate it.

Question number: 18

MCQ▾

Question

Which enzyme is not found in lysosome?

Choices

Choice (4) Response

a.

Phosphatase

b.

Lipid

c.

Protease

d.

Polymerase

Answer

d.

Explanation

lysosome is the part of cell where different kind of enzymes present like lipid, protease except Polymerase.

Question number: 19

Short Answer Question▾

Write in Short

In aerobic or anaerobic respiration which is more efficient?

Explanation

Aerobic respiration

Passage

Figure shows part of the female reproductive system during pregnancy

Reproductive system of female during the time of pregnancy

Reproductive System of Female During the Time of Pregnancy

Above picture shows part of the female reproductive system during pregnancy with labeled part A and B

Question number: 20 (1 of 3 Based on Passage) Show Passage

Short Answer Question▾

Write in Short

Write two functions of part B.

Explanation

(A) Placenta supports to transportation of nutrients from mother blood into foetus

(B) Waste related to Nitrogenous products created in the embryo diffuse through the placenta into the maternal blood stream.

(C) Antibodies developed in the mother against certain diseases like measles, small pox, diphtheria pass from mother into the foetal blood through the placenta.