AIIMS MBBS Entrance Test 2019 Biology Paper with Answer & Solutions 25 May First Shift Part 6

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Q-137: Mark the incorrect statement for inbreeding

Options:

(1) Inbreeding depression increases productivity

(2) Inbreeding depression can be overcome by outcrossing

(3) Produces purelines

(4) Increases homozygosity

Answer: (1)

Q-138: Mark the correct one

Options:

(1) Labeo – Internal fertilization

(2) Frog – Internal fertilization

(3) Birds – external fertilization

(4) Balaenoptera – internal fertilization

Answer: (4)

Q-139. Mark the correct statement regarding earthworm

Options:

(1) One pair of female genital pores are present in 14th segment

(2) Four pairs of spermathecae are situated on ventro lateral sides of the intersegmental grooves i.e. 5th segments

Options:

(3) Clitellum is present in 13-15 segments

(4) Four pairs of spermathecae are located in 6th -9th segments

Answer: (4)

Q-140: Mark the correct statement

Options:

(1) Saheli is once a week oral contraceptive

(2) Progestasert releases estrogen

(3) Cu-T is a barrier method

(4) Vasectomy and tubectomy are temporary methods of contraception

Answer: (1)

Q-141: Choose the correct statement for Periplaneta Americana

Options:

(1) It has 6 muscular hearts

(2) It has 10 thoracic segments

(3) Anal style is present in both male and female

(4) It is nocturnal and present in damp places

Answer: (4)

Q-142: Animal of which phylum have hooks and suckers and are end parasite on other animals

Options:

(1) Platyhelminthes

(2) Annelida

(3) Ascheminthes

(4) Arthropoda

Answer: (1)

Q-143: Nucleoside is:

(A)

Image Nucleoside

Image Nucleoside

(B)

Image Nucleoside

Image Nucleoside

(C)

Image Nucleoside

Image Nucleoside

(D)

Image Nucleoside

Image Nucleoside

Options:

(1) A and B

(2) B and C

(3) C and D

(4) D and A

Answer: (2)

Q-144: Acoelomate animals with flame cells are:

Options:

(1) Platyhelminthes

(2) Annelida

(3) Ascheminthes

(4) Arthropoda

Answer: (1)

Q-145: Gene cloning is:

Options:

(1) Gene is isolated and inserted in same organism

(2) Gene is isolated and inserted in different organism

(3) Gene is isolated and inserted in plasmid of other organism

(4) Gene is isolated and inserted in chromosomal DNA

Answer: (2)

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