CIE Biology Paper-3: Specimen Questions 89 - 93 of 230

Question number: 89

MCQ▾

Question

What is the example of in situ conservation?

Choices

Choice (4) Response
a.

National Parks

b.

Seed bank

c.

Zoo

d.

Botanical Garden

Answer

a.

Explanation

National parks are the parks, which are made up for the conservation, and it is owned and maintained by movement.

Passage

This is the structure of ribosome.

Image shows structure of ribosome

Image shows structure of ribosome

Above Figure shows complete 70S ribosome, which is made by two subunits.

Question number: 90 (1 of 2 Based on Passage) Show Passage

Short Answer Question▾

Write in Short

Name the unit A and B.

Explanation

A- 30 S ribosome

B- 70 S ribosome

Question number: 91 (2 of 2 Based on Passage) Show Passage

Short Answer Question▾

Write in Short

What are the main functions of ribosomes?

Explanation

They assemble amino acids to form specific proteins, proteins are essential to carry out cellular activities.

  • The proteins that are synthesized by the ribosomes present in the cytoplasm are used in the cytoplasm itself. The proteins produced by the bound ribosomes are transported outside the cell.

Question number: 92

Short Answer Question▾

Write in Short

In hemophilia minor wound may result in fatal bleeding. What is the reason behind rare hemophilic women?

Explanation

There are more hemophilic male than hemophilic female because female need to have two affected X chromosomes to this disease, and in male, the disease is present when there is single X chromosome is affected.

Question number: 93

Short Answer Question▾

Write in Short

Table shows one difference between plant cell and animal cell. Complete Table by listing three more differences.

Given table shows a one difference between plant cells and animal cells

Above table display one difference related to cell wall found in plant cell and animal cell.

Plant Cell

Animal cell

  1. Cell wall present
  1. Cell wall absent

________

________

________

________

________

________

Explanation

Given table shows a three other differences between plant cells and animal cells

Above table shows differences related to cell wall, chloroplast, size, found in plant cell and animal cell

Plant Cell

Animal cell

1. Cell wall present

1. Cell wall absent

2. Plant cell has chloroplast which contain chlorophyll

2. Does not have chloroplast

3. Plant cells are larger than animal cell

3. Animal cells are generally small in size

4. Plant cells lack centrosome and centrioles

4. Animal cell have centrosome and centrioles

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