31. Animals of which order have tails in their larval forms__
[A] Apoda
[B] Urodela
[C] Anura
[D] All of the above
Show Answer
Correct Answer: C [Anura]
Notes:
Animals of the Anura order have tails in their larval forms. Their fertilization is external and the eggs are laid in water.
32. Heloderma stapecutm is a __
[A] Iguanas
[B] Gecko
[C] Venomous lizard
[D] Chameleon
Show Answer
Correct Answer: C [Venomous lizard]
Notes:
Heloderma toxoferon is a genus of lizards. It has five species, all of which are poisonous. It is the only extant genus of the Helodermatidae family.
33. What is the unit of the Nervous system?
[A] Brain
[B] Spinal Cord
[C] Neuron
[D] Nerves
Show Answer
Correct Answer: C [Neuron]
Notes:
The units that make up the nervous system are nerve cells or neurons. Therefore, it is called the functional and structural unit of the neuron nervous system. Neuron is the largest cell in the body.
34. Which of the following is the function of cones in the eye?
[A] Secretion and balances
[B] Vision in darkness
[C] Monocular vision
[D] Vision in the high beam light and colour differentiation
Show Answer
Correct Answer: D [Vision in the high beam light and colour differentiation]
Notes:
Cones are the type of retinal cells that function best in bright light, detecting fine detail and color.
35. Which part of the inner ear is responsible for the balance of the body?
[A] Incus
[B] Sacculus
[C] The organ of Corti
[D] Sacculus, Utriculus and semicircular canals
Show Answer
Correct Answer: D [Sacculus, Utriculus and semicircular canals]
Notes:
Sacculus, Utriculus, and semicircular canals part of the inner ear are responsible for the balance of the body.
36. Which of the following secretes digestive enzymes into the duodenum that break down proteins, fats, and carbohydrates?
[A] Liver
[B] Pancreas
[C] Gallbladder
[D] Small intestine
Show Answer
Correct Answer: B [Pancreas]
Notes:
The pancreas secretes digestive enzymes into the duodenum that break down proteins, fats, and carbohydrates.
37. One whose phenotype is influenced by more than one gene is called __.
[A] Oncogenic Trait
[B] Monogenic trait
[C] Polygenic trait
[D] None of these
Show Answer
Correct Answer: C [Polygenic trait]
Notes:
One whose phenotype is influenced by more than one gene is called a Polygenic trait.
38. A rare way that a trait or disorder can be passed down through families is called which of the following?
[A] Sex-linked recessive
[B] Sex-linked dominant
[C] Autosomal dominant
[D] None of these
Show Answer
Correct Answer: B [Sex-linked dominant]
Notes:
A rare way that a trait or disorder can be passed down through families is called Sex-linked dominant. An abnormal gene on the X chromosome can cause sex-linked dominant disease.
39. Bioethanol is denatured alcohol that is also called __
[A] Ethylene
[B] Methylated spirit
[C] Ethylene glycol
[D] Methylene
Show Answer
Correct Answer: B [Methylated spirit]
Notes:
Bioethanol is denatured alcohol that is also called Methylated spirit. It is a liquid made from alcohol and other chemicals.
40. Biotechnology has been defined by which of the following?
[A] The European Federation of Biotechnology (EFB)
[B] National Center for Biotechnology Information (NCBI)
[C] National Institutes of Health (NIH)
[D] National Centre for Cell Science (NCCS)
Show Answer
Correct Answer: A [The European Federation of Biotechnology (EFB)]
Notes:
Biotechnology has been defined by The European Federation of Biotechnology (EFB).
