AIPMT 2015 Biology Model Test Paper- 8 Practice MCQs Multiple Choice Questions Fully Solved with Answer Key Free

AIPMT All India Pre Medical Test is conducted by CBSE in compliance with the directives of the Hon'ble Supreme Court of India for admissions to 15% seats of Medical/ Dental colleges of India. Some other State Govt university or  institutions also use AIPMT merit list for admission in the Medical Colleges/Dental Colleges against seats under their control. Here we have published model test paper for Biology for practice purpose with objective type MCQs multiple choice questions based on AIPMT previous years question papers.

AIPMT 2015 Biology Model Test Paper - 8

Q.1. During transcription holoenzyme RNA polymerase binds to a DNA sequence and the DNA assumes a saddle like structure at that point.What is that sequence called ?

A) CAAT box
B) GGTT box
C) AAAT box
D) TATA box

Q.2. Centromere is required for :

A) Transcription
B) Crossing over
C) Cytoplasmic cleavage
D) Movement of chromosomes towards poles

Q.3. The formula for exponential population growth is :

A) dt/dN = rN
B) dN/rN = dt
C) rN/dN = dt
D) dN/dt = rN

Q.4. Which one of the following is not used for construction of ecological pyramids ?

A) Dry weight
B) Number of individuals
C) Rate of energy flow
D) Fresh weight

Q.5. Flagellated male gametes are present in all the three of which one of the following sets?

A) Riccia, Dryopteris and Cycas
B) Anthoceros, Funaria and Spirogyra
C) Zygnema, Saprolegnia and Hydrilla
D) Fucus, Marsilea and Calotropis

Q.6. In gymnosperms, the pollen chamber represents:

A) the microsporangium in which pollen grains develop
B) a cell in the pollen grain in which the sperms formed
C) a cavity in the ovule in which pollen grains are stored after pollination
D) an opening in the mega gametophyte through which the pollen tube approaches the egg.

Q.7. In the light of recent classification of living organisms into three domains of life (bacteria, archaea and eukarya), which one of the following statements is true about archaea?

A) Archaea completely differ from prokaryotes
B) Archaea resemble eukarya in all respects
C) Archaea have some novel features that are absent in other prokaryotes and eukaryotes
D) Archaea completely differ from both prokaryotes and eukaryotes

Q.8. Keeping in view the 'fluid mosaic model' for the structure of cell membrane, which one of the following statements is correct w.r.t. the movement of lipids and proteins from one lipid monolayer to the other (described as flip-flop movement)?

A) Neither lipids nor proteins can flip-flop
B) While lipids can rarely flip-flop, proteins cannot
C) While proteins can flip-flop, lipids cannot
D) Both lipids and proteins can flip-flop

Q.9. Seminal plasma in humans is rich in:

A) Fructose and calcium but has no enzymes
B) Glucose and certain enzymes but has no calcium
C) Fructose and certain enzymes but poor in calcium
D) Fructose, calcium and certain enzymes

Q.10. A fruit developed from hypanthodium inflorescence is called:

A) Sorosis
B) Syconus
C) Caryopsis
D) Hesperidium

Q.11. If for some reason our goblet cells are non-functional, this will adversely affect:

A) Production of somatostatin
B) Secretion of sebum from the sebaceous glands
C) Maturation of sperms
D) Smooth movement of food down the intestine

Q.12. The plasma membrane consists mainly of:

A) phospholipids embedded in a protein bilayer
B) proteins embedded in a phospholipid bilayer
C) proteins embedded in a polymer of glucose molecules
D) proteins embedded in a carbohydrate bilayer

Q.13. Nitrifying bacteria

A) Reduce nitrates to free nitrogen
B) Oxidize ammonia to nitrates
C) Convert free nitrogen to nitrogen compounds
D) Convert proteins into ammonia

Q.14. The function of leghaemoglobin in the root nodules of legumes is

A) Expression of nif gene
B) Inhibition of nitrogenase activity
C) Oxygen removal
D) Nodule differentiation

Q.15. Which one is the most abundant protein in the animal world ?

A) Insulin
B) Trypsin
C) Haemoglobin
D) Collagen

Q.16. Consumption of which one of the following foods can prevent the kind of blindness associated with vitamin 'A' deficiency ?

A) Golden rice
B) Canolla
C) 'Flaver Savr' tomato
D) Bt-Brinjal

Q.17. Pigment-containing membranous extensions in some cyanobacteria are

A) Heterocysts
B) Basal bodies
C) Pneumatophores
D) Chromatophores

Q.18. A major site for synthesis of lipids is :

A) RER
B) SER
C) Symplast
D) Nucleoplasm

Q.19. Male gametophyte with least number of cells is present in :

A) Lilium
B) Pinus
C) Pteris
D) Funaria

Q.20. A scrubber in the exhaust of a chemical industrial plant removes

A) Gases like ozone and methane
B) Particulate matter of the size 2.5 micrometer or less
C) Gases like sulphur dioxide
D) Particulate matter of the size 5 micrometer or above

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Answer Key: 

Q.1-	D	Q.2-	D	Q.3-	D	Q.4-	D	Q.5-	A
Q.6-	C	Q.7-	C	Q.8-	B	Q.9-	C	Q.10-	B
Q.11-	D	Q.12-	B	Q.13-	B	Q.14-	C	Q.15-	D
Q.16-	A	Q.17-	D	Q.18-	B	Q.19-	A	Q.20-	C

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We have tried our best to present important questions with correct answer key. Any suggestion or update about any erroneous entry or answer is always appreciable. Please comment your score or any suggestion in comment section below.

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