Biology

Question 1

1Plants such as orchids that grow on other plants to reach light in a rainforest are

Easy

A. xerophytes B. epiphytes C. parasites D. saprophytes

Question 2

2Fish breathe in water using

Easy

A. lungs B. spiracles C. gills D. skin only

Question 3

3A typical feature of the savannah is

Easy

A. permanent ice B. very heavy rainfall all year C. grassland with scattered trees and a long dry season D. tall, dense evergreen forest

Question 4

4Cactus leaves are reduced to spines mainly to

Easy

A. attract insects B. store food C. reduce water loss D. make more seeds

Question 5

5Mangrove trees in estuaries have pneumatophores, which are

Medium

A. roots that grow upwards to take in air B. leaves that store water C. spines D. flowers

Question 6

6Cacti have spines instead of leaves to

Easy

A. make food B. attract insects C. absorb water D. reduce water loss

Question 7

7Mangroves have pneumatophores to

Hard

A. store water B. absorb salt C. climb D. obtain oxygen in waterlogged soil

Question 8

8In a food chain, energy is lost at each level mainly as

Hard

A. heat from respiration B. sound C. light D. urine only

Question 9

9Mangrove plants have breathing roots (pneumatophores) because

Easy

A. they need more salt B. they live in deserts C. they are parasites D. the waterlogged mud lacks oxygen

Question 10

10Water lilies have air spaces in their leaves to

Easy

A. store food B. trap insects C. help them float D. absorb salt