IGCSE Biology Paper-2: Specimen Questions with Answers 14 - 15 of 203

Get top class preparation for Bank-PO right from your home: get questions, notes, tests, video lectures and more- for all subjects of Bank-PO.

Question 14

Question

MCQ▾

Which has not present cell wall?

Choices

Choice (4)

a.

Fungi

b.

Bacteria

c.

Animals

d.

Plants

Answer

c.

Explanation

Animals have only cell membranes, which is made up of phospholipid bilayer and protein. It protects and hold together the cell and its parts. It does not need to provide the support that plant cell was provide because animals have other forms of support (i.e.. exoskeletons and endoskeletons) and the lack of the cell wall allows for increased flexibility and advanced cell/tissue specialization, which plants cannot achieve.

Question 15

Question

MCQ▾

What is not a function of primary root?

Choices

Choice (4)

a.

may store food

b.

absorb water and mineral salts from the soil.

c.

anchor the plant in the soil.

d.

Produce and release pollen grain

Answer

d.

Explanation

Anther, which is the part of flower, has the main function of produce and release pollen grain. Functions of the root can be anchor the plant in the soil. Roots absorb water and mineral salts from the soil and may store food. They form a passageway for water and dissolved substances from the root into the stem and for foods from the stem down into the root.

Developed by: