AIIMS MBBS Entrance Test 2019 Biology Paper with Answer & Solutions 26 May Second Shift Part 2

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Q-78: Which of the following switch off lac operon?

Options:

(1) Structural gene

(2) Regulator gene

(3) Operator gene

(4) Promoter gene

Answer: (2)

Q-79: Which of the following is incorrect?

Options:

(1) Mango and coconut are drupe fruit

(2) According to Euro norm IV Sulphur content for petrol is

(3) And other poisonous gases cause pollution

(4) Apple is a true fruit

Answer: (4)

Q-80: Which gases are responsible for increasing the temperature of atmosphere?

Options:

(1)

(2)

(3)

(4)

Answer: (3)

Q-81: Which statement is correct?

(1) Mycoplasma is smallest and wall less living organism

(2) Influenza and herpes caused by virus having DNA and RNA

(3) Nostoc and Anabaena are important decomposer

(4) Methanogen are methane producing bacteria in wheat crop.

Answer: (1)

Q-82: Match the column-I and column-II

Title: Table of Match the Column-I and Column-II
Title: Table of Match the column-I and column-II

Column-I

Column-II

(i)

Agaricus

(a)

Ascomycetes

(ii)

Colletotrichum

(b)

Deuteromycetes

(iii)

Albugo

(c)

Phycomycetes

(iv)

Neurospora

(d)

Basidiomycetes

Options:

(1)

(2)

(3)

(4)

Answer: (4)

Q-83:

Image age pyramids

Image Age Pyramids

Select the correct option w.r.t. Age pyramids.

Options:

(1) a - Expanding, b - stable, c . Declining

(2) a - stable, b - Expanding, c - Declining

(3) a - stable, b - Declining, c - Expanding

(4) a - Declining, b - stable, c – Expanding

Answer: (1)

Q-84: Select the correct match

Title: Table of Select the Correct Match
Title: Table of select the correct match

(I)

(II)

(III)

(a)

(i)

(P)

Amensalism

(b)

(ii)

(Q)

Commensalism

(c)

(iii)

(R)

Predation

(d)

(iv)

(S)

Competition

Options:

(1) a - iv . Q, b - iii . P, c - ii . S, d - i . R

(2) a - i . Q, b - ii . P, c - iii . S, d - iv - R

(3) a - i . Q, b - iii . P, c - ii . S, d - iv . R

(4) a - iv . Q, b - ii . P, c - iii . S, d - i - R

Answer: (1)

Q-85: Match the column-I and column-II

Title: Table of Match the Column-I and Column-II
Title: Table of Match the column-I and column-II

Column-I

Column-II

(i)

Viroid

(a)

Ramachandran

(ii)

Cell

(b)

Leewenhoek

(iii)

Virus

(c)

T.O. Diener

(iv)

Triple helical structure of collagen

(d)

Ivanowsky

Options:

(1) i.b, ii.a, iii.c, iv.d

(2) i.a, ii.b, iii.d, iv.c

(3) i.c, ii.b, iii.d, iv.a

(4) i.d, ii.b, iii.c, iv.a

Answer: (3)

Q-86: The genetic codes of arginine are

Options:

(1) CGU, CGC, CGA

(2) CAU, CAC, CAA

(3) AGU, AGC, AAC

(4) GAU, GAC, GAA

Answer: (1)

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