The nutrients plants need include

Nitrogen, potassium and Phosphorus

6a Interdependence And Adaptation

1.

Plants need which of the following in order to photosynthesise?
- A.
  
  Water, light and nutrients
- B.
  
  Water, warmth and oxygen
- C.
  
  Light, food and warmth
Correct Answer
A. Water, light and nutrients

Explanation
Plants need water, light, and nutrients in order to photosynthesize. Water is essential for the process as it is used to transport nutrients and maintain cell structure. Light is needed to provide energy for photosynthesis, as plants use sunlight to convert carbon dioxide and water into glucose and oxygen. Nutrients, such as nitrogen, phosphorus, and potassium, are necessary for plant growth and development. Without any of these three components, plants would not be able to carry out photosynthesis effectively and would struggle to survive.

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2.

The nutrients plants need include
- A.
  
  Light, nitrogen and potassium
- B.
  
  Nitrogen, potassium and Phosphorus
- C.
  
  Proteins, water and nitrogen
Correct Answer
B. Nitrogen, potassium and Phosphorus

Explanation
These are generally found in the fertilizer that farmers and gardener add to the soil.

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3.

The green pigment in plants called chlorophyll, enables plants to trap sunlight energy
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Some plants have other pigments in their leaves that make them yellow, orange and red. These are all different types of chlorophyll pigments that trap sunlight energy

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4.

Plants use the sunlight energy in a process called respiration
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The sunlight energy is used in a process called photosynthesis in which plants make food. Respiration uses the chemical energy trapped in food to provide energy for the seven life functions.All living things respire but only plants photosynthesize.

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5.

Plants provide all the food in a habitat
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Plants are always at the start of a food chain. they are also termed producers because they supply all the food in a habitat. They are the only organisms that can make their own food.

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6.

An invertebrtae is an animal without a ----------------------.

Correct Answer
Backbone

Explanation
An invertebrate is an animal without a backbone. This means that it lacks a vertebral column, which is a defining characteristic of vertebrates. Invertebrates make up the majority of animal species on Earth and include various groups such as insects, worms, mollusks, and jellyfish. Without a backbone, invertebrates have a more flexible body structure and rely on other means of support and movement.

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7.

Insects are invertebrates that have ---- legs , ------- body parts and ----- wings

Correct Answer
six legs
three body parts
two wings

Explanation
Insects are classified as invertebrates because they do not have a backbone. They typically have six legs, which allow them to move and navigate their environment. In addition to their legs, insects also have three body parts: the head, thorax, and abdomen. These body parts serve different functions, such as housing their sensory organs, muscles, and digestive system. Lastly, most insects have two pairs of wings, which enable them to fly. These wings are attached to the thorax and play a crucial role in their movement and survival.

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8.

Plant roots absorb ------------- and ---------------------------- from the soil

Correct Answer
water
mineral salts / nutrients

Explanation
Plant roots absorb water and mineral salts/nutrients from the soil. Water is essential for plants as it is needed for various metabolic processes such as photosynthesis, transportation of nutrients, and maintaining turgidity. Mineral salts or nutrients, on the other hand, are essential for the growth and development of plants. They are involved in various physiological processes, including the synthesis of proteins, enzymes, and chlorophyll. Without water and mineral salts/nutrients, plants would not be able to survive and carry out their normal functions.

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9.

Food chains always begin with a -----------------------------

Correct Answer
plant
producer

Explanation
every thing in a habitat is supplied nutrients from a plant at the start of a food chain

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10.

A ----------------- is the place where something lives.

Correct Answer
Habitat

Explanation
A habitat is the natural environment or surroundings where a particular organism or species lives. It provides the necessary resources and conditions for the organism to survive and thrive. Habitats can vary greatly depending on the specific needs of the organism, such as temperature, food availability, and shelter. The term habitat is commonly used in the context of wildlife and ecology to describe the specific location or area where an organism or species can be found.

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6a Interdependence And Adaptation

Plants need which of the following in order to photosynthesise?

The nutrients plants need include

The green pigment in plants called chlorophyll, enables plants to trap sunlight energy

Plants use the sunlight energy in a process called respiration

Plants provide all the food in a habitat

An invertebrtae is an animal without a ----------------------.

Insects are invertebrates that have ---- legs , ------- body parts and ----- wings

Plant roots absorb ------------- and ---------------------------- from the soil

Food chains always begin with a -----------------------------

A ----------------- is the place where something lives.