IGCSE Biology Paper-2: Specimen Questions with Answers 8 - 11 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 8

Question

MCQ▾

the study of organism within the environment is known as-

Choices

Choice (4)

a.

Zoology

b.

Ecology

c.

Ecosystem

d.

Biology

Answer

b.

Explanation

Ecology is the scientific study of interactions among organisms and their environment. It is an interdisciplinary field that contains biology and Earth science. Ecology includes the study of interactions organisms have with each other, other organisms, and with abiotic components of the environment.

Question 9

Question

MCQ▾

Which part is known as left ventricle?

Figure Shows Structure of Heart

Choices

Choice (4)

a.

B

b.

C

c.

A

d.

D

Answer

a.

Explanation

B portion is left ventricle. The left ventricle is one of four chambers of the heart. It is located in the bottom left portion of the heart below the left atrium, separated by the mitral valve.

Question 10

Question

MCQ▾

Which part is known as primary root?

Figure Shows Structure of Root

Choices

Choice (4)

a.

Part D

b.

Part B

c.

Part A

d.

Part C

Answer

c.

Explanation

Part A is primary root. It is the thickest. It grows downwards and then divided into its sub parts.

Question 11

Question

MCQ▾

Which statement describes passive transport?

Choices

Choice (4)

a.

It requires cellular energy

b.

In passive transport Movement of molecules DOWN the concentration gradient occur

c.

Phagocytosis, pinocytosis, sodium/potassium pump are the examples of passive transport

d.

Transport occurs from a low concentration of solute to high concentration of solute

Answer

b.

Explanation

Passive transport is a movement of biochemical and other atomic or molecular substances across cell membranes without need of energy input.

Image Shows Mechanism of Passive Transport

Developed by: