Tag: transportation in plants and circulation in animals

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Questions Related to transportation in plants and circulation in animals

Multiple choice types of circulatory system circulatory pathways transportation in plants and circulation in animals body fluids and circulation biology

Which of the following groups of animals have closed circulatory system?

  1. Cockroach, Locust, Molluscs

  2. Non-cephalopod molluscs, Cockroach

  3. Cephalopod molluscs and Earthworm

  4. Hemichordates and Non-cephalopd molluscs
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Closed circulatory system has blood closed in all vessels within vessels of different sizes. In this type, the blood is pumped through vessels by heart. This type of circulatory system is more structured and controlled. 

So, the correct option is 'Cephalopod molluscs and earthworm'.

Multiple choice types of circulatory system circulatory pathways transportation in plants and circulation in animals body fluids and circulation biology

An open circulatory system occurs in the

  1. Reptiles

  2. Birds

  3. Insects

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

An open circulatory system describes a system where blood and interstitial fluid (fluid found between cells in the body) are allowed to mix in an organism. Organisms that have an open circulatory system don't have true blood since it is mixed with other fluids. The blood in these organisms is defined as haemolymph. Two of the largest phyla in the world, arthropoda and mollusca, have an open circulatory system. Arthropods include most insects and sea organisms like crabs and lobsters. Molluscs are organisms with two shells that are hinged together. Examples include clams and oysters. However, not all molluscs have an open circulatory system. Two major members of the mollusc family, octopus and squid, have a closed circulatory system. 

Multiple choice types of circulatory system circulatory pathways transportation in plants and circulation in animals body fluids and circulation biology

Circulatory system in cockroach is 

  1. Open

  2. Closed

  3. Semi-open

  4. Sometimes open and sometimes closed
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Insects have an open circulatory system, which differs in both structure and function from the closed circulatory system found in humans and other vertebrates. In an open system, blood (usually called haemolymph) flows freely within body cavities, where it makes direct contact with all internal tissues and organs.

Multiple choice types of circulatory system circulatory pathways transportation in plants and circulation in animals body fluids and circulation biology

Choose the correct answer from the alternatives given.
Which of the following has a closed type of circulatory system?

  1. Cockroach

  2. Fish

  3. Scorpion

  4. Mollusc
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
  • In an open circulatory system, the blood is pumped by the heart into the body cavity or the hemocoel. It is found in Arthropoda and Molluscs. Example: Cockroach, Scorpian.
  • In a closed circulatory system, the blood is circulated through blood vessels. It is found in vertebrates and annelids. Example: Fish.
So, the correct option is 'Fish'.
Multiple choice types of circulatory system circulatory pathways transportation in plants and circulation in animals body fluids and circulation biology

Choose the correct answer from the alternatives given.
Which of the following is the part of a closed, but not an open, circulatory system?

  1. Heart

  2. Haemocoel

  3. Capillary beds

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

In an open circulatory system, the blood is not confined within blood vessels. The blood bathes the organs and tissues directly. Because of this the blood and the interstitial fluid have no distinction. Thus, the term hemolymph is used. The hemolymph is pumped by the heart through the vessels into the sinuses and then to the surrounding cells where the exchange of materials occur. The hemolymph is taken back to the heart through the ostia that close via the valves during heart contraction.

So, the correct option is 'Capillary beds'.

Multiple choice types of circulatory system circulatory pathways transportation in plants and circulation in animals body fluids and circulation biology

State whether the following statements are true or false.
The oxygen carrying pigments are mostly dissolved in blood plasma in a closed circulatory system.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Oxygen carrying pigment haemoglobin are present as separate entities and not found dissolved in plasma like inorganic salts. 

So, the correct option is 'False'.

Multiple choice types of circulatory system circulatory pathways transportation in plants and circulation in animals body fluids and circulation biology

Choose the correct answer from the alternatives given.
In the sinuses of an open circulatory system,-blood is not segregated from:

  1. urine

  2. interstitial fluid

  3. digestive cavity

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

The open circulatory system is common to molluscs and arthropods. Open circulatory systems (evolved in crustaceans, insects, mollusks and other invertebrates) pump blood into a hemocoel with the blood diffusing back to the circulatory system between cells. Blood is pumped by a heart into the body cavities, where tissues are surrounded by the blood. So, the blood is not segregated from interstitial fluid.

So, the correct option is 'Interstitial fluid'.

Multiple choice bio-chemistry transportation in plants and circulation in animals role of blood in transport function of blood blood and lymph

Select the correct option:

Read the following statements and select the correct option:
(i) Blood cells secrete fibres of structural proteins called collagen and elastin.
(ii) Neuroglial cells protect and support the nephrons.
(iii) Osteocytes are present in spaces called lacunae.
(iv) Straited muscle fibres are bundled together in a parallel fashion.
(v) Biceps are involuntary and striated

  1. Statements (iii) and (iv) are incorrect

  2. Statement (ii) and (iv) are incorrect

  3. Statement (i) and (iii) are incorrect

  4. Statement (i), (ii) and (v) are incorrect
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The structural proteins collagen and elastin are present in white collagen fibres and yellow elastic fibres respectively, which are connective tissue fibres. Neuroglial cells are specialised cells found in the brain and spinal cord supporting the neurons and their firbres. The muscles of biceps are voluntary and striated.