Structures Of Life Pre-test Kettl

20 Questions | By Sbandres | Last updated: Mar 20, 2022 | Total Attempts: 55

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Pretest for third grade

Questions and Answers

1.

Which of the following seeds is different from the others?
- A.
  
  Bean seeds
- B.
  
  Peach seeds
- C.
  
  Apple seeds
- D.
  
  Orange seeds
2.

Which structure of the plant holds the embryo (or sprout)?
- A.
  
  Stem
- B.
  
  Leaf
- C.
  
  Seed
- D.
  
  Root
3.

What do you call the system in which plants grow in a water and nutrient solution?
- A.
  
  Hydroponics
- B.
  
  Germination
- C.
  
  Hydrogen
- D.
  
  Life cycle
4.

What is most important in the process of germination?
- A.
  
  Light
- B.
  
  Food
- C.
  
  Air
- D.
  
  Water
5.

Adam wants to set up a hydroponic container for bean seedlings. Which of these will he NOT need?
- A.
  
  Water
- B.
  
  Light
- C.
  
  Nutrients
- D.
  
  Soil
6.

Even though crayfish are completely covered in a hard shell, they can feel a touch mainly because of their
- A.
  
  Bristles
- B.
  
  Carapace
- C.
  
  Swimmerets
- D.
  
  Tail flaps
7.

Color, shape and texture are all examples of
- A.
  
  Seeds
- B.
  
  Behaviors
- C.
  
  Foods
- D.
  
  Properties
8.

We add bleach to water that is used for seeds because
- A.
  
  The bleach prevents mold from growing on the seeds
- B.
  
  The bleach makes the seeds easier to see
- C.
  
  The bleach makes everything smell clean
- D.
  
  The bleach provides energy to the growing seeeds.
9.

When a crayfish grows, it crawls out of its shell. This is called
- A.
  
  Molting
- B.
  
  The life cycle
- C.
  
  Carapace
- D.
  
  Breaking
10.

Seeds are found in the part of the plant called the
- A.
  
  Stem
- B.
  
  Root
- C.
  
  Fruit
- D.
  
  Flower
11.

The beginning of development of a seed after a period of dormancy or rest is
- A.
  
  Flowering
- B.
  
  Molting
- C.
  
  Hydroponics
- D.
  
  Germination
12.

Something an animal does is called a
- A.
  
  Habitat
- B.
  
  Behavior
- C.
  
  Territory
- D.
  
  Life cycle
13.

The outer covering of a seed is the
- A.
  
  Seed coat
- B.
  
  Embryo
- C.
  
  Cotyledon
- D.
  
  Dormant
14.

Which of these is NOT a basic need for a bess beetle?
- A.
  
  Food
- B.
  
  Air
- C.
  
  Space
- D.
  
  Rocks
15.

Plants can grow in water without soil as long as they also have
- A.
  
  Germination
- B.
  
  Nutrients
- C.
  
  Energy
- D.
  
  Bleach
16.

Which of these is NOT a fruit?
- A.
  
  Potato
- B.
  
  Tomato
- C.
  
  An orange
- D.
  
  A cucumber
17.

A class of mostly aquatic animals with hard, flexible shells, jointed legs, and two pairs of antennae is
- A.
  
  Whale
- B.
  
  Sea star
- C.
  
  Crustacean
- D.
  
  Arachnid
18.

A seed that has one cotyledon is a
- A.
  
  Dicot
- B.
  
  Seed coat
- C.
  
  Embryo
- D.
  
  Monocot
19.

The kind of organism that lives on or in a plant or animal of a different kind is a
- A.
  
  Parasite
- B.
  
  Exoskeleton
- C.
  
  Fossil
- D.
  
  Structure
20.

An animal that hunts and catches other animals for food is a
- A.
  
  Herbivore
- B.
  
  Predator
- C.
  
  Omnivore
- D.
  
  Rabbit