Biology MCQs

31. What is the shape of the stomach?
[A] J – shaped
[B] S – shaped
[C] O – shaped
[D] None of these

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32. What cannot sperm do in the absence of acrosome?
[A] Cannot penetrate the egg
[B] Cannot get energy
[C] Cannot get food
[D] Cannot swim

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33. The male accessory glands generate fluid that nourishes the sperm called __
[A] semen
[B] seminal plasma
[C] spermatogonia
[D] testosterone

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34. A condition in which one or both of the testes fail to descend from the abdomen into the scrotum called __
[A] Vasectomy
[B] Phimosis
[C] Cryptorchidism
[D] None of these

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35. Chromosome designation of Turner sydrome is ____:
[A] 44A+XO
[B] 44A+XXX
[C] 44A+XXY
[D] 44A+XYY

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36. Jellyfish are an example of which type of phylum?

[A] Phylum -Protozoa
[B] Phylum -Porifera
[C] Phylum – Cnidaria
[D] Phylum -Ctenophora

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37. The wing of a bat and the wing of a bird are the examples of ____ limbs:
[A] Heterogeneous
[B] Homogenous
[C] Homologous
[D] Analogous

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38. What is the transplantation of graft between genetically identical individuals?
[A] Autograft
[B] Xenograft
[C] Iso-graft
[D] Allograft

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39. Water flows of f the wings of birds and insects due- to the presence of ____:
[A] Proteins
[B] Waxes
[C] Minerals
[D] Sugars

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40. The average life span of red blood corpuscles is about ____:
[A] 100 – 120 days
[B] 100 – 200 days
[C] 160 – 180 days
[D] 150 – 200 days

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