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Transportation in Plants and Animals

Description: SAMPLE QUESTIONS ON TRANSPORTATION IN PLANTS AND ANIMALS
Number of Questions: 16
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Tags: TTRANSPORTATION IN PLANTS AND ANIMALS Circulatory System - Blood and Blood Vessels Heart, Heart Beat Excretory System in Humans Transportation of Substances in Plants
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Which of the following is the function of phloem?

  1. It transports food.

  2. It helps in opening and closing of stomata.

  3. It transports water.

  4. It is responsible for the protection of plant.

  5. It prevents the wilting of plants.


Correct Option: A
Explanation:

Transporting food is the function of phloem.

In human body, where is the tricuspid valve present?

  1. Gall bladder

  2. Stomach

  3. Heart

  4. Intestine

  5. Lungs


Correct Option: C
Explanation:

Tricuspid valve is present in between right atrium and right ventricle of the heart.

Many students in a class contracted chicken pox, but a girl who had this disease earlier did not contract it. Which of the following was there in the girl's immune system?

  1. WBC's

  2. RBC's

  3. Vitamins

  4. Platelets

  5. Minerals


Correct Option: A
Explanation:

WBC's act as antibodies to defend our body from foreign agents. After the first infection, the childs immune system developed antibodies and so she was not infected again.

How many chambers are there in a human heart?

  1. Five

  2. Two

  3. Three

  4. Four

  5. One


Correct Option: D
Explanation:

Human heart has four chambers - two atria and two ventricles.

Which of the following parts aids in transpiration by plants?

  1. Root hair

  2. Stomata

  3. Xylem

  4. Epidermis

  5. Phloem


Correct Option: B
Explanation:

Opening of stomata on leaves permits transpiration by plants.  

Some animals excrete uric acid, and they are known as uricotelic animals. Which of the following animals is not uricotelic?

  1. Pigeon

  2. Rabbit

  3. Snake

  4. Parrot

  5. Lizard


Correct Option: B
Explanation:

Rabbit is ureotelic (excretes urea). It is not uricotelic.

Which of the following animals excretes ammonia?

  1. Snake

  2. Pigeon

  3. Mouse

  4. Fish

  5. Frog


Correct Option: D
Explanation:

Fish excretes ammonia. Toxic ammonia is easily given out into the surrounding medium of water.

Which major organ in our body has the pacemaker?

  1. Lungs

  2. Heart

  3. Kidney

  4. Stomach

  5. Brain


Correct Option: B
Explanation:

Heart has the pacemaker (sinu-atrial node), which is present at the place of the origin of heart beat. Without this, a heart beat will not be produced and our heart will not be able to pump blood.

Arteries and veins are joined by a network of ____________________.

  1. muscles

  2. bones

  3. capillaries

  4. ligaments

  5. cartilage


Correct Option: C
Explanation:

Arteries and veins are joined by a network of capillaries.

Which of the following is meant to transport water and minerals in plants?

  1. Phloem

  2. Epidermis

  3. Cortex

  4. Xylem

  5. Hypodermis


Correct Option: D
Explanation:

Xylem vessels transport water and minerals.

The red colour of blood is due to the pigment haemoglobin. Where exactly in our body is haemoglobin present?

  1. Artery

  2. RBC

  3. WBC

  4. Vein

  5. Platelet


Correct Option: B
Explanation:

RBC contains haemoglobin.

Which of the following organs does not belong to the excretory system?

  1. Urinary bladder

  2. Kidneys

  3. Ventricle

  4. Ureter

  5. Urethra


Correct Option: C
Explanation:

Ventricle is a part of the heart, i.e. circulatory system.

Which of the following disorders needs dialysis for its treatment?

  1. Heart attack

  2. Diabetes

  3. Allergy to pollen grains

  4. Kidney failure in a person

  5. Stroke/brain attack


Correct Option: D
Explanation:

Dialysis is needed to treat a person with kidney failure.

Which of the following is not the function of a circulatory system?

  1. It transports hormones.

  2. It transports the digested food.

  3. It transports wastes to the excretory organs.

  4. It regulates the heart beat.

  5. It helps to carry oxygen to the tissues.


Correct Option: D
Explanation:

Circulatory system does not regulate the heart beat.

What is the other name for thrombus?

  1. Injury

  2. Healing of wound

  3. Blood clot

  4. Antibodies in blood

  5. Proteins in blood


Correct Option: C
Explanation:

Blood clot is called thrombus.

Which organ in our body helps to excrete urea, excess salts, etc. and also does osmoregulation?

  1. Liver

  2. Small intestine

  3. Gall bladder

  4. Pancreas

  5. Kidney


Correct Option: E
Explanation:

Yes, kidneys help in excretion and osmoregulation.

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