Tag: antibody production and vaccination

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Multiple choice zoology allergy immunity related disorders and problems antibody production and vaccination biotechnology

Hay fever and asthma are

  1. Deficiency diseases

  2. Genetic diseases

  3. Organic diseases

  4. Allergy diseases
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Hay fever and asthma are the allergic reactions of the body to allergens. Allergy is the hypersensitivity of a person to some foreign substance coming in contact with the body. 

Hay fever is an allergic disease where there is swollen red eyes and running nose. The pollen grains are considered as allergens.
Asthma is the condition where the tissue surrounding the respiratory tube in the lungs swell up and compressors the tube and there is the difficulty in breathing.
Hence, the correct answer is 'Allergy diseases'

Multiple choice zoology allergy immunity related disorders and problems antibody production and vaccination biotechnology

Choose the correct answers from the alternatives given.
Which of the following combinations of phyla and characteristics is incorrect?

  1. Nematodaround worms, pseudocoelomate

  2. Cnidariaradial symmetry, polyp and medusa body forms

  3. Platyhelminthesflatworms, gastrovascular cavity, acoelomate

  4. Poriferagastrovascular cavity, mouth from blastopore
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The nematodes or roundworms constitute the phylum Nematoda and have a pseudocoelom and complete digestive system. The partial, fluid-filled cavity inside the body of some invertebrates. Cnidarians have two different body plans. Both body plans have radial symmetry. A polyp, such as a hydra, sea anemone, or coral, is shaped something like a vase. Platyhelminthes, a group of soft-bodied, usually much flattened invertebrates and have cavity only one opening to the outside which, in most cnidarians, is surrounded by tentacles for capturing prey. But Porifera does not have a gastrovascular cavity as it does not have specialized tissues and phyla with a true coelom and digestive system. The protostomes include the phyla Mollusca, Annelida, and Arthropoda but not porifera. 

So, the correct option is, 'Porifera gastrovascular cavity, mouth from blastopore'.