31. In which of the following are gills hidden?
[A] Cryptobranchidae
[B] Ambystomatida
[C] Amphiumidae
[D] Plethodontidae
Show Answer
Correct Answer: A [Cryptobranchidae]
Notes:
In Cryptobranchidae gills are hidden. Hellbenders belong to the Cryptobranchidae family. They contain the largest living salamanders.
32. Which of the following is a sub-division of Anapsida?
[A] Chelonia
[B] Cotylosauria
[C] Archosauria
[D] Both 1 and 2
Show Answer
Correct Answer: D [Both 1 and 2]
Notes:
Cotylosauria and Chelonia are sub-division of Anapsida, whereas Archosauria and Lepidosauria are sub-division of Diapsida.
33. External ears are characteristics of:
[A] Birds
[B] Mammals
[C] Birds and mammals
[D] Mammals and reptiles
Show Answer
Correct Answer: B [Mammals]
Notes:
External ears are characteristics of Mammals. Mammals have hair or fur, are warm-blooded and most are born alive.
34. Which of the following animals is used in the production of fabric?
[A] Alpaca
[B] Llama
[C] Yak
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Alpaca, Llama, and yak animals are used in the production of fabric. The yak is an animal that is largely found in the Himalayas in India and Tibet, Llamas are animals typically found in South America and Alpacas are small camel-like animals found largely in South America.
35. Gallstones are obtained from cattle are used for making?
[A] necklaces
[B] paints
[C] soaps
[D] foods
Show Answer
Correct Answer: A [necklaces]
Notes:
Gallstones are obtained from cattle are used for making necklaces or pendants.
36. What is the excretory unit in the human excretory system?
[A] Neuron
[B] Nephron
[C] Nephridia
[D] Nerve
Show Answer
Correct Answer: B [Nephron]
Notes:
The nephron is the excretory unit in the human excretory system. Each nephron has two parts – the glomerulus and the renal tubule.
37. What diseases can we get in the large intestine?
[A] Diverticulitis
[B] Appendicitis
[C] Hemorrhoids
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Diverticulitis, Appendicitis, and Hemorrhoids are the diseases we can get in the large intestine.
38. The elastic tissue which connects the cauda epididymis to the scrotal sac is called __.
[A] Caput epididymis
[B] Scrotal ligament
[C] Gubernaculum
[D] Tendinous cord
Show Answer
Correct Answer: C [Gubernaculum]
Notes:
Connects the lower pole of the gonad and epididymis to the future inguinal canal is called the Gubernaculum.
39. Where does the fertilization of the egg take place with the sperm?
[A] Ovaries
[B] Fallopian tubes
[C] Uterus
[D] Vagina
Show Answer
Correct Answer: B [Fallopian tubes]
Notes:
The fertilization of the egg with the sperm occurs in the fallopian tube.
40. The technique of __ crosses the limits of conventional hybridization processes.
[A] immunology
[B] modern hybridization
[C] genetic engineering
[D] cell biology
Show Answer
Correct Answer: C [genetic engineering]
Notes:
The technique of genetic engineering crosses the limits of conventional hybridization processes.
