Biology · Environmental Studies

Ecosystem Nutrition and Energy Flow

1,235 Questions

Ecosystem nutrition and energy flow questions cover trophic levels, food chains, and biodegradable materials. These concepts frequently appear in general science sections of major competitive exams. Review these questions to build a solid understanding of ecological interactions.

Trophic levels conceptFood chain orderAutotrophic nutritionEnergy assimilationScavengers and decomposers

Ecosystem Nutrition and Energy Flow Questions

Multiple choice

Which of the following is not an adaptation of penguins?

  1. Penguins can close their nostrils while swimming.

  2. They have white fur.

  3. Penguins have a layer of fat under the feathery coat.

  4. Their feet have webs.

  5. They have streamlined body.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the correct option as this is not an adaptation of penguins.

Multiple choice

Animals develop adaptations for their survival. Which of the following is not an adaptation of the polar bear?

  1. The body has two thick layers of fur.

  2. Fur is white to protect the animal from predators.

  3. Polar bear can close its nostrils.

  4. Polar bear has webbed feet to help it in swimming.

  5. They have a strong sense of smell.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option as polar bears do not have webbed feet. They have  wide and large paws to help it walk easily on snow.

Multiple choice

Which of the following is/are not an adaptation of animals that live in hot and dry climates?

a. Short shiny fur to reflect the Sun's rays b. To avoid the strong Sun, the animals feed in the morning and the evening. c. No sweating or panting by animals

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c
Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

This is the correct option as this is not an adaptation of animals that live in hot and dry climates. Animals in hot and dry climates keep their body cool by sweating and panting.

Multiple choice

Which of the following is not an adaptation of animals living in tropical regions?

  1. The development of sticky feet by the red-eyed frog

  2. Monkeys having long tails

  3. Toucan bird developing short, pointed beak for reaching its food

  4. Lions having sensitive hearing and sharp eyesight

  5. Elephants having big trunk
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct option as this is not an adaptation of toucan bird. They have large, long beak to reach fruits on branches that are too weak to support the weight of the bird.

Multiple choice

Which of the following organisms are totally dependent upon other animals for their food?

  1. Omnivores

  2. Producers

  3. Carnivores

  4. Herbivores
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Carnivores are totally dependent upon other animals for their food. Carnivorous animals are meat-eaters, meaning that they only eat other animals in order to get their nutrition. Carnivores usually have sharp teeth and strong jaws, which they need to successfully, catch and eat their prey. Lions, crocodiles, sharks, otters and weasels are all carnivorous animals.

Multiple choice

Humans are:

  1. Carnivores

  2. Herbivores

  3. Omnivores

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

humans eat meat and plant both and that's why they are omnivorous.

Multiple choice

Heterotrophic ingestive nutrition is found in

  1. Monera

  2. Animalia

  3. Plantae

  4. Fungi
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

heterotrophic nutrition :A type of nutrition in which energy is derived from the intake and digestion of organic substances. Ingestion is the consumption of a substance by an organism

Multiple choice

In absorptive heterotrophy

  1. Solid organic food is obtained from outside

  2. Liquid organic food is absorbed from outside

  3. Inorganic raw materials are obtained

  4. Energy is absorbed from sun
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Absorptive heterotrophy is when an organism which secretes enzymes externally into its environment to digest organic materials which are then absorbed