Biology MCQs

31. Which of the following is a characteristic of a bird?
[A] warm blooded vertebrates
[B] four-chambered heart
[C] Both 1 and 2
[D] None of these

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32. The soundbox of birds is also known as __
[A] synsacrum
[B] syrinx
[C] larynx
[D] None of the above

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33. The sweat glands in mammals are primarily concerned with:
[A] Regulation of water content
[B] Regulation of body heat
[C] The killing of skin bacteria
[D] Removal of excess salt

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34. Which layer has the highest concentration of keratin and lamellar granules?
[A] Stratum Basale
[B] Stratum Spinosum
[C] Stratum Corneum
[D] Stratum Granulosum

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35. The brainstem consists of which of the following
[A] Tectum and Tegmentum
[B] Hypothalamus and Thalamus
[C] Medulla and Pons
[D] None of the above

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36. How is the image formed on the retina of the human eye?
[A] virtual and inverted
[B] real and inverted
[C] real and erect
[D] virtual and erect

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37. Haematuria is a disorder involving __
[A] Loss of haemoglobin in R.B.C.
[B] The loss of blood through the urine
[C] The increase in concentration blood urea
[D] Loss of glucose in urine

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38. Which is the largest endocrine gland of the body?
[A] Thymus gland
[B] Pineal gland
[C] Thyroid gland
[D] Adrenal gland

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39. Which gland stimulates the adrenal gland to secrete cortisol?
[A] Pituitary gland
[B] Thyroid gland
[C] Parathyroid glands
[D] Adrenal glands

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40. Panthera pardus is the scientific name of ____:
[A] Panther
[B] Leopard
[C] Lion
[D] Tiger

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