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 - III
Q.1. Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because :
A) Four carbon acids are the primary initial CO2 fixation products
B) The primary fixation of CO2 is mediated via PEP carboxylase
C) Effective pumping of CO2 into bundle sheath cells
D) RUBISCO in C4 plants has higher affinity for CO2
B) The primary fixation of CO2 is mediated via PEP carboxylase
C) Effective pumping of CO2 into bundle sheath cells
D) RUBISCO in C4 plants has higher affinity for CO2
Q.2. What would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8chromosomes in its synergids ?
A) 16
B) 24
C) 32
D) 8
B) 24
C) 32
D) 8
Q.3. Biological organisation starts with:
A) Atomic level
B) Submicroscopic molecular level
C) Cellular level
D) Organismic level
B) Submicroscopic molecular level
C) Cellular level
D) Organismic level
Q.4. Which one of the following is heterosporous?
A) Equisetum
B) Dryopteris
C) Salvinia
D) Adiantum
B) Dryopteris
C) Salvinia
D) Adiantum
Q.5. Study the pedigree chart given below:
What does it show ?
A) Inheritance of a condition like phenylketonuria as an autosomal recessive trait
B) The pedigree chart is wrong as this is not possible
C) Inheritance of a recessive sex-linked disease like haemophilia
D) Inheritance of a sex-linked inborn error of metabolism like phenylketonuria
B) The pedigree chart is wrong as this is not possible
C) Inheritance of a recessive sex-linked disease like haemophilia
D) Inheritance of a sex-linked inborn error of metabolism like phenylketonuria
Q.6. ABO blood groups in humans are controlled by the gene I. It has three alleles − I^A, I^B and i. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur?
A) Three
B) One
C) Four
D) Two
B) One
C) Four
D) Two
Q.7. The "Eyes" of the potato tuber are
A) Axillary buds
B) Root buds
C) Flower buds
D) Shoot buds
B) Root buds
C) Flower buds
D) Shoot buds
Q.8. Common cold differs from pneumonia in, that
A) Pneumonia pathogen infects alveoli whereas the common cold affects nose and respiratory passage but not the lungs
B) Pneumonia is a communicable disease whereas the common cold is a nutritional deficiency disease
C) Pneumonia can be prevented by a live attenuated bacterial vaccine whereas the common cold has no effective vaccine
D) Pneumonia is caused by a virus while the common cold is caused by the bacterium Haemophilus influenzae
B) Pneumonia is a communicable disease whereas the common cold is a nutritional deficiency disease
C) Pneumonia can be prevented by a live attenuated bacterial vaccine whereas the common cold has no effective vaccine
D) Pneumonia is caused by a virus while the common cold is caused by the bacterium Haemophilus influenzae
Q.9. Isogamous condition with non-flagellated gametes is found in:
A) Chlamydomonas
B) Spirogyra
C) Volvox
D) Fucus
B) Spirogyra
C) Volvox
D) Fucus
Q.10. A marine cartilaginous fish that can produce electric current is
A) Trygon
B) Scoltodon
C) Pristis
D) Torpedo
B) Scoltodon
C) Pristis
D) Torpedo
Q.11. At what stage of the cell cycle are histone proteins synthesized in a eukaryotic cell ?
A) During entire prophase
B) During telophase
C) During S-phase
D) During G2 stage of prophase
B) During telophase
C) During S-phase
D) During G2 stage of prophase
Q.12. The floral formula
A) Soybean
B) Sunnhemp
C) Tobacco
D) Tulip
B) Sunnhemp
C) Tobacco
D) Tulip
Q.13. Select the wrong statement from the following:
A) Both chloroplasts and mitochondria have an internal compartment, the thylakoid space bounded by the thylakoid membrane
B) The chloroplasts are generally much larger than mitochondria.
C) Both chloroplasts and mitochondria contain DNA.
D) Both chloroplasts and mitochondria contain and inner and an outer membrane
B) The chloroplasts are generally much larger than mitochondria.
C) Both chloroplasts and mitochondria contain DNA.
D) Both chloroplasts and mitochondria contain and inner and an outer membrane
Q.14. Which one of the following phyla is correctly matched with its two general characteristics?
A) Arthropoda - Body divided into head, thorax and abdomen and respiration by tracheae
B) Mollusca - Normally oviparous and development through a trochophore or veligerlarva
C) Chordata - Notochord at some stage and separate anal and urinary openings to the outside
D) Echinodermata - Pentamerous radial symmetry and mostly internal fertilization
B) Mollusca - Normally oviparous and development through a trochophore or veligerlarva
C) Chordata - Notochord at some stage and separate anal and urinary openings to the outside
D) Echinodermata - Pentamerous radial symmetry and mostly internal fertilization
Q.15. The 'blue baby' syndrome results from :
A) Excess fo chloride
B) Methaemoglobin
C) Excess of dissolved oxygen
D) Excess of TDS (Total Dissolved Solids)
B) Methaemoglobin
C) Excess of dissolved oxygen
D) Excess of TDS (Total Dissolved Solids)
Q.16. Low Ca++ in the body fluid may be the cause of:
A) Tetany
B) Anaemia
C) Angina pectoris
D) Gout
B) Anaemia
C) Angina pectoris
D) Gout
Q.17. The gametophyte is not an independent, free-living generation in
A) Pinus
B) Polytrichum
C) Adiantum
D) Marchantia
B) Polytrichum
C) Adiantum
D) Marchantia
Q.18. Both, autogamy and geitonogamy are prevented in
A) Maize
B) Papaya
C) Cucumber
D) Castor
B) Papaya
C) Cucumber
D) Castor
Q.19. Read the following statements (A– E) and answer the question which follows them :
(A) In liverworts, mosses and ferns gametophytes are free-living
(B) Gymnosperms and some ferns are heterosporous
(C) Sexual reproduction in Fucus, Volvox and Albugo is oogameous
(D) The sporophytes in liverworts is more elaborate than that in mosses
(E) Both, Pinus and Marchentia are dioecious
How many of the above statements are correct ?
A) One
B) Two
C) Three
D) Four
B) Two
C) Three
D) Four
Q.20. You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two?
A) Secondary phloem
B) Secondary xylem
C) Cortical cells
D) Protoxylem
B) Secondary xylem
C) Cortical cells
D) Protoxylem
Answer Key:
Q.1-
|
B
|
Q.2-
|
B
|
Q.3-
|
B
|
Q.4-
|
C
|
Q.5-
|
A
|
|---|---|---|---|---|---|---|---|---|---|
Q.6-
|
C
|
Q.7-
|
A
|
Q.8-
|
A
|
Q.9-
|
B
|
Q.10-
|
D |
| Q.11- | C | Q.12- | C | Q.13- | A | Q.14- | B | Q.15- | B |
Q.16-
|
A
|
Q.17-
|
A
|
Q.18-
|
B
|
Q.19-
|
C |
Q.20-
|
D
|
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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