2018 NEET UG Biology Questions and Answers (81-90)


81. Select the incorrect match :
(1) Submetacentric – L-shaped chromosomes chromosomes
(2) Allosomes – Sex chromosomes
(3) Lampbrush – Diplotene bivalents chromosomes
(4) Polytene chromosomes – Oocytes of amphibians
Answer (4 )

2018 NEET UG Biology Questions and Answers

82. Which of the following terms describe human dentition?
(1) Pleurodont, Monophyodont, Homodont
(2) Thecodont, Diphyodont, Heterodont
(3) Thecodont, Diphyodont, Homodont
(4) Pleurodont, Diphyodont, Heterodont
Answer ( 2 )

83. Which of the following events does not occur in rough endoplasmic reticulum?
(1) Cleavage of signal peptide

(2) Protein glycosylation
(3) Protein folding
(4) Phospholipid synthesis
Answer ( 4 )

84. Many ribosomes may associate with a single mRNA to form multiple copies of a polypeptide simultaneously. Such strings of ribosomes are termed as
(1) Plastidome
(2) Polyhedral bodies
(3) Polysome
(4) Nucleosome
Answer (3)
85. In which disease does mosquito transmitted pathogen cause chronic inflammation of lymphatic vessels?
(1) Ringworm disease
(2) Ascariasis
(3) Elephantiasis
(4) Amoebiasis
Answer (3)

86. Which of the following is not an autoimmune disease?

(1) Alzheimer's disease
(2) Rheumatoid arthritis
(3) Psoriasis
(4) Vitiligo                                                                                                     Answer (1)

87. Among the following sets of examples for divergent evolution, select the incorrect option :
(1) Brain of bat, man and cheetah
(2) Heart of bat, man and cheetah
(3) Forelimbs of man, bat and cheetah
(4) Eye of octopus, bat and man                                                                   Answer (4)

88. Conversion of milk to curd improves its nutritional value by increasing the amount of
(1) Vitamin B12
(2) Vitamin A
(3) Vitamin D
(4) Vitamin E 
                                                                                                                        Answer (1)
89. The similarity of bone structure in the forelimbs of many vertebrates is an example of
(1) Convergent evolution
(2) Analogy
(3) Homology
(4) Adaptive radiation
Answer ( 3 )


90. Which of the following characteristics represent ‘Inheritance of blood groups’ in humans?
a. Dominance
b. Co-dominance
c. Multiple allele
d. Incomplete dominance
e. Polygenic inheritance
(1) b, d and e (2) a, b and c (3) b, c and e (4) a, c and e
Answer ( 2 )

Offer Zone

© NEET Biology: Medical Entrance Biology Questions and Answers, AllRightsReserved.

Maintained by Biology Exams 4 U