Hello, here I am providing you the paper of SRMEEE solved paper as under:

PART 4 BIOLOGY

71. Ans : Carolus Linnaeus

Sol: Carolus Linnaeus suggested binomial

system.

72. Ans : 5% sodium hypochlorite and 20% alcohol.

73. Ans : Apical meristem

Sol: Left behind part of apical meristem is the

intercalary meristem.

Sol: H2A and H2B are the part of octamer histone

protein and H1, H3, H4 also form the histone

proteins.

75. No correct option. The option should be of

1 – c, 2 – d, 3 – b, 4 - a

76. Ans : Fab region

Sol: Fab is the fragment of antigen binding

77. Ans : Two identical single strand RNA’s

Sol: Retroviruses contain two helix RNA

strands.

78. Ans : 2 and 3 only

Sol: Thymus develops at about sixth week of

gestation and red blood production is

known as haematopoiesis.

79. Ans : 3 ATP and 2 NADPH2

Sol: 3 ATP and 2 NADPH2 are required for the

fixation of one molecule CO2 in dark

reaction.

80. Ans : CO15

Sol: CO15 is a variety of sugarcane.

81. Ans :

(a) In Abelomoschus esculentus, the fruit is

schizocarp

(d) ovary superior trilocular ovules on axile

placentation in Musaceae

Sol: Loculicidal capsule is seen in

Abelmoschus esculentus. Ovary is inferior

in Musaceae.

82. Ans : 1 – b 2 – a 3 – d 4 - c

Sol: All the pairing matches given in option a

are correct.

83. Ans : From going back to left auricle

Sol: Mitral valve prevents back flow of blood to

left auricle.

84. Ans : 2, 3 and 4

Sol: Diastolic pressure is monitored by

sphygmomanometer.

85. Ans : Sibling species

Sol: Sibling species are closely related species

of morphologically identical but are not

involved in interbreeding.

86. Ans : 5’ TTAAGC 3’

3’AATTCG5’

Sol: DNA base sequences read as same in

both directions in a double strand stretch

of DNA.

87. Ans : Carbon-di-oxide

Sol: CO2 accounts 60% in green house gas.

The others are CH4  20% CFCs – 14%

and N2O – 6%.

88. Ans : D loop, anticodon loop, Extra arm, Tyloop

Sol: 1 – Dihydrouridine (d loop), 2 – Anticodon,

3 – Extra arm, 4 – Thymine pseudouridine

cytosine arm.

89. Ans : Calcitonin

Sol: Calcitonin decreases HCl secretion.

90. Ans : Copper and zinc

Sol: Cu and Zn are required in trace quantity

level for nutrition.

91. Ans : CD4 plus T – helper cells

Sol: HIV causes the depletion of WBC and

results in the CD4 plus T-helper cells.

92. Ans : Plymouth rock

Sol: Plymouth rack fowl is the oldest and most

popular breed of America.

93. Ans : Schizanthus pinnatus

Sol: Schizanthus pinnatus plant shows 2 fertile

stamens and 3 staminodes.

94. Ans : Parenchyma

Sol: Bundle sheath or border parenchyma

present in the leaf vascular bundle.

95. Ans : Fluorescence

Sol: Fluorescence results immediate loss of

light energy from the chlorophyll

molecules.