31. What are the different stages of aerobic respiration?
[A] Glycolysis
[B] The Krebs cycle
[C] Oxidative phosphorylation
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
There are three phases of aerobic cellular respiration: glycolysis, the Krebs cycle, and oxidative phosphorylation.
32. Which of the following is not a true amphibian animal?
[A] Toad
[B] Salamander
[C] Tortoise
[D] Frog
Show Answer
Correct Answer: C [Tortoise]
Notes:
Turtles are reptiles of the Testudines family. Tortoises have more rounded and domed shells. Toad, Salamander, and Frog are true amphibian animals.
33. Which of the following is also known as blind-worm?
[A] Urodela
[B] Apoda
[C] Anura
[D] None of these
Show Answer
Correct Answer: B [Apoda]
Notes:
Apoda is also known as a blind worm because its eyes are covered with skin or bone.
34. Into how many groups are Aves classified?
[A] Two
[B] Three
[C] Four
[D] Five
Show Answer
Correct Answer: A [Two]
Notes:
The class Aves is divided into two groups – Archaeornithes and Neornithes
35. Name the muscle which works opposite to each other?
[A] Cardiac Muscles
[B] Skeletal Muscle
[C] Antagonists’s muscle
[D] Stapedius muscle
Show Answer
Correct Answer: C [Antagonists’s muscle]
Notes:
A muscle that contracts is called an agonist whereas a muscle that relaxes or lengthens is called an antagonist.
36. They contain long loops of Henle and extend to the medulla:
[A] Renal Corpuscle
[B] Cortical nephron
[C] Juxtamedullary nephron
[D] Henle’s Loop
Show Answer
Correct Answer: C [Juxtamedullary nephron]
Notes:
Juxtamedullary nephron contains long loops of Henle and extends to the medulla.
37. What is the function of the Growth hormone?
[A] stimulates the lining of the uterus for fertilization
[B] stimulates the production and secretion of thyroid hormones
[C] stimulates contraction of uterus
[D] stimulates protein production
Show Answer
Correct Answer: D [stimulates protein production]
Notes:
Stimulates protein production is the function of the Growth hormone. Growth hormone is secreted by the Pituitary gland.
38. Which organ is affected by typhoid?
[A] liver
[B] spleen
[C] muscles
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Typhoid is a bacterial infection that is caused by Salmonella typhi. The bacteria attack the gastrointestinal tract, which includes the liver, spleen, and muscles.
39. Among the given nutrients, milk is a poor source of which of the following?
[A] Carbohydrate
[B] Calcium
[C] Protein
[D] Vitamin C
Show Answer
Correct Answer: D [Vitamin C]
Notes:
Milk is a poor source of ascorbic acid (Vitamin C). It contains about 1 mg ascorbate per 100 g. Even the little Vitamin C is usually destroyed when the milk is heat treated. Milk as a complete food contains most of the esential nutrients except are vitamin C and iron.
40. Jaundice is a symptom of disease of
____:
[A] Kidney
[B] Liver
[C] Pancreas
[D] Thyroid
Show Answer
Correct Answer: B [Liver]
Notes:
Jaundice is a yellowish pigmentation of the skin, the conjunctival membranes over the sclerae (whites of the eyes), and other mucous membranes caused by hyperbilirubinemia. Concentration of bilirubin in blood plasma does not normally exceed 1 mg/dL (>17?mol/L). A concentration higher than 1.8 mg/ dL (>30?mol/L) leads to jaundice. Jaundice is often seen in liver disease such as hepatitis or liver cancer.
