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Nature and Plant Kingdom Quiz

Natural Science

A collection of science-based questions covering plants, ecosystems, and natural phenomena.

biology botany nature

15 Questions Medium Ages 9+ Aug 17, 2026

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About this Study Set

This study set covers Natural Science through 15 practice questions. A collection of science-based questions covering plants, ecosystems, and natural phenomena. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 15 questions from the Nature and Plant Kingdom Quiz study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 Which process do plants use to convert sunlight into chemical energy?

A Respiration
B Photosynthesis
C Transpiration
D Germination

2 What is the primary function of the xylem in vascular plants?

A Transporting water from roots to leaves
B Storing excess sugar
C Absorbing sunlight
D Protecting the seeds

3 Which part of a plant is responsible for producing seeds?

A Stem
B Root
C Flower
D Leaf

4 What is the main purpose of a plant's root system?

A To attract pollinators
B To absorb water and minerals
C To perform photosynthesis
D To release oxygen

5 Which of these gases do plants primarily absorb from the atmosphere for photosynthesis?

A Oxygen
B Nitrogen
C Carbon dioxide
D Hydrogen

6 In the life cycle of a flowering plant, what develops from a fertilized ovule?

A Seed
B Flower
C Stamen
D Petal

7 Which of the following is a deciduous tree, meaning it loses its leaves annually?

A Pine
B Maple
C Spruce
D Cypress

8 What is the sticky substance inside a flower that catches pollen?

A Nectar
B Stigma
C Sepal
D Anther

9 Which biome is characterized by very low temperatures and a lack of trees?

A Rainforest
B Tundra
C Grassland
D Savanna

10 What substance gives leaves their green color?

A Carotene
B Chlorophyll
C Anthocyanin
D Xanthophyll

11 Which of these plants is known for trapping insects to supplement its nutrients?

A Fern
B Venus flytrap
C Cactus
D Moss

12 What is the scientific term for the waxy, waterproof layer on the surface of a leaf?

A Stomata
B Cuticle
C Petiole
D Vein

13 Which type of plant reproduces via spores instead of seeds?

A Rose
B Oak tree
C Fern
D Sunflower

14 What do we call the underground stem from which some plants like onions and tulips grow?

A Bulb
B Taproot
C Rhizome
D Tuber

15 What is the main role of the stomata found on the underside of leaves?

A Absorbing soil nutrients
B Gas exchange
C Anchoring the plant
D Producing seeds

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