NTA UGC NET/JRF Exam, June 2020 (Anthropology)

Total Questions: 100

51. Which of the following are characteristic features of sex linked recessive inheritance?

(a) Affected females come from affected fathers and affected or carrier mothers
(b) Most affected individuals are male
(c) The trait never skips generations
(d) The vast majority of the sex linked traits are found on the X-chromosome.
Choose the correct answer from the options given below:

Correct Answer: D. (a), (b) and (c) only

52. Which of the following are characteristic features of sex linked recessive inheritance?

(a) Affected females come from affected fathers and affected or carrier mothers
(b) Most affected individuals are male
(c) The trait never skips generations
(d) The vast majority of the sex linked traits are found on the X-chromosome. Choose the correct answer from the options given below:

Correct Answer: B. (a), (b) and (d) only

53. Which of the following are features of quantitative traits?

(a) Continuous variation
(b) Discontinuous variation
(c) Polygenic control
(d) Dominantly inherited
Choose the correct answer from the options given below:

Correct Answer: A. (a) and (c) only

54. Which of the following features are true of a female pelvis?

(a) Subpubic angle is wider (more than 90°)
(b) Sacrum is narrower and more curved
(c) Greater sciatic notch is wider (more than 68°)
(d) Muscle attachments are less robust
Choose the correct answer from the options given below :

Correct Answer: B. (a), (c) and (d) only

55. Which statements about Down's syndrome are correct?

(a) Affected individuals have an extra autosome
(b) The cause is a non-disjunction when chromosomes do not separate during the first meiotic division
(c) The frequency increases dramatically in mothers over the age 40.
(d) People with Down's syndrome have normal IQ
Choose the correct answer from the options given below :

Correct Answer: A. (a), (b) and (c) only

56. Which of the following are the assumptions of Hardy-Weinberg equilibrium?

(a) Small population size
(b) Large population size
(c) Random mating
(d) No mutation
Choose the correct answer from the options given below:

Correct Answer: A. (b), (c) and (d) only

57. Which of the following statements are true for mitochondrial DNA?

(a) Human mitochondrial DNA codes for 37 genes
(b) mt DNA is a double stranded loop of DNA
(c) Each mitochondrion possesses between 100-200 mt DNA loops
(d) mt DNA has only 16569 base pairs
Choose the most appropriate answer from the options given below:

Correct Answer: D. (a), (b) and (d) only

58. Which of the following statements are true of the Gorilla?

(a) Their locomotor pattern on the ground is of knuckle-walking typе
(b) Their natural habitat is Africa and Europe
(c) Dian Fossey studied them extensively
(d) They do not have tails
Choose the correct answer from the options given below:

Correct Answer: C. (a), (c) and (d) only

59. An important disorder on chromosome 21 is Down syndrome. The phenotype includes :

(a) Mental retardation
(b) Immunological defects
(c) Life expectancy is extended by 10-20 years
(d) Cytogenetic abnormalities in down syndrome show 95% free trisomy and 5% translocations
Choose the correct answer from the options given below :

Correct Answer: D. (a), (b) and (d) only

60. Which of the following statements are true for the Australopithecus afarensis (Lucy)?

(a) It was found from Hadar, Ethiopia
(b) Their age is about 3.0-3.6 million years ago
(c) Their cranial capacity was about 750cc
(d) Foot prints indicate bipedal foot pattern
Choose the correct answer from the options given below:

Correct Answer: B. (a), (b) and (d) only