IGCSE Biology Paper-1: Specimen Questions with Answers 20 - 23 of 208

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 20

Question

MCQ▾

This animal is found in- (indri indri lemur)

Choices

Choice (4)

a.

France

b.

Madagascar

c.

Shrilanka

d.

New Zealand

Answer

b.

Explanation

it՚s another name is babakoto, it is native to Madagascar.

Diagram of One Animal

Question 21

Question

MCQ▾

Which feature is not found in phylum porifera?

Choices

Choice (4)

a.

No tissues

b.

Symmetry

c.

Made of spicules

d.

Skeleton lacking

Answer

b.

Explanation

The main characteristics of phylum porifera are asymmetry, no tissues, skeleton lacking, and made of spicules. Asymmetry means lack of arrangements in parts of body.

Question 22

Question

MCQ▾

Such diagram denotes?

Diagram of One Global Problem

Choices

Choice (4)

a.

Global Warming

b.

Green House Effect

c.

Ozone layer depletion

d.

Acid Rain

Answer

d.

Explanation

Acid rain is define as excessive acid such as nitric acid and sulphuric acid in rainy water.

Question 23

Question

MCQ▾

The diagram shows the human excretory system and its main associated blood vessels. Define X, Y, Z?

Diagram of the Human Excretory System

Choices

Choice (4)

a.

Urethra, Dorsal aorta, ureter

b.

Dorsal aorta, Ureter , Urethra

c.

Kidney, Dorsal aorta, Ureter

d.

Bladder, dorsal aorta, Kidney

Answer

b.

Explanation

Dorsal Aorta-Each primitive aorta takes anteriorly a vein also called vitelline vein, is long backward on the lateral feature of the notochord called dorsal aorta. The paired dorsal aortae arise from aortic arches that in turn arise from the aortic sac

Ureter- In humans, the ureters found from the pelvis of each kidney,

Urethra- Transports urine from urinary bladder out of the body. In the female (human beings) , the urethra is about 4.8 cm to 5.1 cm long and exits the body between the clitoris and the vagina covering from the internal to the external urethral orifice

Developed by: