KS3 Biology - Gas exchange systems - 1 - Exam Style Questions with Answers

Created on February 28, 2023 By

paruppts12

KS3_GEN_BIO_GAS_1

1 / 10

During gas exchange what enters from alveoli to the capillaries?

Nitrogen

Carbon dioxide

Carbon monoxide

Oxygen

2 / 10

Name the structure through which gases enter and leave the body of an insect.

alveoli

spiracles

lungs

tracheoles

3 / 10

What are the levels of organization in plants?

Plants are made up of cells, tissues, organs, and organ systems

Plants contain cells and tissues, but not organs

Plants have cells, but not tissues.

4 / 10

What is letter "D" pointing to?

palisade mesophyll

spongy mesophyll

upper epidermis

bundle sheath

5 / 10

Which of the following labelled arrows in the diagram show(s) the direction of oxygen diffusion between the plant and the surrounding at midnight?

(1) and (3) only

(2) and (3) only

(2) only

(3) only

6 / 10

Plants with spines and waxy leaves are well suited for life in which environment?

Temperate forest

Tropical Rainforest

Desert

Grassland

7 / 10

Apical meristems can be found in ……………………..

shoot

leaves

epidermal

xylem

8 / 10

How do plants absorb water?

Through the roots

Through the stomata

Through the petals

by drinking it

9 / 10

What is function of the dome-shaped diaphragm?

It attaches to the lungs to help in breathing.

Air passes through the diaphragm on the way to the lungs.

This is where gas exchange happens.

It is under the lungs and keeps them from falling down to your stomach.

10 / 10

B

A

D

C

Your score is

The average score is 43%

0%