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Biology (Medical Entrance)

Biology Mix Test - 3

25 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Among the formed elements the smallest elements of the blood are the

  1. RBC's
  2. WBC's
  3. Platelets
  4. plasma
Question 2 Multiple Choice (Single Answer)

In man, digestion of carbohydrates begins from the

  1. small intestine
  2. stomach
  3. colon
  4. mouth
Question 3 Multiple Choice (Single Answer)

Fatty covering myelin sheaths are found

  1. surrounding the tendons
  2. covering the muscles
  3. around axone of neurons
  4. covering the brain
Question 4 Multiple Choice (Single Answer)

Which of the following sperms does not travel through human reproductive system?

  1. Vas deferens
  2. Ureter
  3. Urethra
  4. Epididymis
Question 5 Multiple Choice (Single Answer)

Synapsis and crossing over of chromosome occurs in which phase of meiosis?

  1. Interphase
  2. Metaphase
  3. Teleophase
  4. Prophase
Question 6 Multiple Choice (Single Answer)

Select the hormone incorrectly paired with its target.

  1. TSH - thyroid gland
  2. LH - ovary or testis
  3. MSH - melanocytes
  4. ACTH - anterior pituitary
Question 7 Multiple Choice (Single Answer)

Once the erythrocytes enter the blood in humans. They have an average lifetime of

  1. 120 days
  2. 360 days
  3. 10 days
  4. 200 days
Question 8 Multiple Choice (Single Answer)

Which of the following is not a mode of genetic exchange within a bacterial population?

  1. Transformation
  2. Translation
  3. Transduction
  4. Conjugation
Question 9 Multiple Choice (Single Answer)

Which type of muscle cells are multinucleated?

  1. Skeletal
  2. Smooth
  3. Cardiac
  4. Visceral muscle
Question 10 Multiple Choice (Single Answer)
The hardest part in the human body is the

  1. ossein
  2. chondrin
  3. dentine
  4. enamel
Question 11 Multiple Choice (Single Answer)
Which of the following represents the dental formula in an adult man?

  1. 1123/1123
  2. 2123/2123
  3. 2033/1023
  4. 2231/2232
Question 12 Multiple Choice (Single Answer)

Aristotle's lantern is

  1. a mouth of sand dollar consisting of three teeth arranged in a ring
  2. a mouth of oyster consisting of five teeth
  3. a mouth of sand dollar consisting of five teeth arranged in a ring
  4. a mouth of oyster consisting of light emitting organ
Question 13 Multiple Choice (Single Answer)

To which class of phylum mollusca does the octopus belong?

  1. Gastropoda
  2. Cephalopoda
  3. Monoplacophora
  4. Bivalvia
Question 14 Multiple Choice (Single Answer)

Which of the following are the characteristics of cuticle of annelids?

  1. The presence of chitin and moulting.
  2. The presence of collagen and moulting.
  3. The presence of chitin with no moulting.
  4. The presence of collagen with no moulting.
Question 15 Multiple Choice (Single Answer)

Largest phylum of marine animals not having terrestrial or fresh water representatives is

  1. Arthropoda
  2. Porifera
  3. Mollusca
  4. Echinodermata
Question 16 Multiple Choice (Single Answer)

Portuguese man-of-war is

  1. a colonial organism of phylum Echinodermata
  2. a true jellyfish from phylum Cnidaria
  3. a colonial organism of phylum Cnidaria
  4. it is a man eating octopus of phylum Mollusca
Question 17 Multiple Choice (Single Answer)

Cysticercosis is caused by

  1. Ancylostoma duodenale
  2. Enterobius vermicularis
  3. Taenia solium
  4. Ascaris lumbricoides
Question 18 Multiple Choice (Single Answer)

Which of the following phylums of the animal kingdom lacks a body cavity?

  1. Platyhelminthes
  2. Annelida
  3. Nematode
  4. Arthropoda
Question 19 Multiple Choice (Single Answer)

Which of the following is not true about cartilaginous fish?

  1. They have no ribs.
  2. They do not have bone marrow.
  3. They have three-chambered heart.
  4. Their skin is covered with dermal teeth.
Question 20 Multiple Choice (Single Answer)

Which of the following does not belong to class Anthozoa of phylum Cnidaria?

  1. Sea anemones.
  2. Jellyfish.
  3. Sea pens.
  4. Corals.
Question 21 Multiple Choice (Single Answer)

The venomous cell which helps Cnidarians in defence and catching prey is called

  1. Nematocyst
  2. Pneumatocyst
  3. Cnidocyst
  4. Nematocyte
Question 22 Multiple Choice (Single Answer)

Mesoglea in Hydra is

  1. a non living substance that is filled between two epidermal layers
  2. a living substance between two layers of Hydra
  3. a specialised cell aiding in locomotion
  4. a bactericide recently discovered in Hydra
Question 23 Multiple Choice (Single Answer)

Which of the following is true about birds?

  1. They have three-chambered heart.
  2. They are the least diverse tetrapod vertebrates.
  3. They excrete urea and ammonia as excretory products.
  4. They have a strong beak but no teeth.
Question 24 Multiple Choice (Single Answer)

To which class do cartilaginous fish belong?

  1. Osteichthyes
  2. Placodermis
  3. Chondrichthyes
  4. Agnatha
Question 25 Multiple Choice (Single Answer)

Placoid scales are typical to

  1. sharks and ray fishes
  2. Labeo rohita
  3. Coelacanth and lung fish
  4. Paddlefishes and Bichirs
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