Download NEET Sample Paper 4 PDF

TitleNEET Sample Paper 4
TagsPhysical Sciences Physics & Mathematics Physics Plants
File Size1.5 MB
Total Pages46
Document Text Contents
Page 1

AIPMT │ PHYSICS, CHEMISTRY AND BIOLOGY

Prelims Paper – 2012 (Code D)



www.topperlearning.com 1

AIPMT - 2012

(Physics, Chemistry and Biology)

Prelims (Code D)


Time: 3 hrs Total Marks: 800



General Instructions:

1. The Answer sheet is inside this Text booklet. When you are directed to open the text

booklet, take out the Answer Sheet and fill in the particulars on side – 1 and side – 2

carefully with blue/black ball point pen only.

2. The test is of 3 hours duration and consists of 200 questions. Each question carries 3

marks. For each correct response the candidate will get 4 marks. For each incorrect

response, one mark will be deducted. The maximum marks are 800.

3. Use Blue / Black ball point pen only for writing particulars on this page / marking

responses.

4. Rough work is to be done on the space provided for this purpose in the text booklet

only.

5. On completion of the test, the candidate must handover the answer sheet to the

invigilator in the room/ Hall. The candidates are allowed to take away this text booklet

with them.

6. Make sure that the CODE printed on side – 2 of the answer sheet is the same as that on

this booklet, In case of discrepancy, the candidate should immediately report the matter

to the invigilator for the replacement of both the test Booklet and the Answer Sheet.

7. The candidates should ensure that the Answer sheet is not folded. Do not make any

stray marks on the Answer sheet. Do not write your roll no. anywhere else except in the

specified space in the Test booklet / Answer Sheet.

8. Use of white fluid for correction is not permissible on the Answer Sheet.



Physics


1. Electron in hydrogen atom first jumps from third excited state to second excited state

and then from second excited to the first excited state. The ratio of the wavelength

1 2
λ : λ emitted in the two cases is

(1) 7/5

(2) 27/20

(3) 27/5

(4) 20/7

Page 2

AIPMT │ PHYSICS, CHEMISTRY AND BIOLOGY

Prelims Paper – 2012 (Code D)



www.topperlearning.com 2

2. When a string is divided into three segments of length
1

,
2
and

3
the fundamental

frequencies of these three segments are 1, 2 and 3 respectively. The original

fundamental frequency () of the string is

(1)
1 2 3

= + +   

(2)  = 1 + 2 + 3

(3)
1 2 3

1 1 1 1
= + +

   


(4)
1 2 3

1 1 1 1
= + +

   




3. A 200 W sodium street lamp emits yellow light of wavelength 0.6 m. Assuming it to

be 25% efficient in converting electrical energy to light, the number of photons of

yellow light it emits per second is

(1) 1.5 × 1020

(2) 6 × 1018

(3) 62 × 1020

(4) 3×1019



4. Two ideal diodes are connected to a battery as shown in the circuit. The current

supplied by the battery is:


(1) 0.75 A

(2) zero

(3) 0.25 A

(4) 0.5 A



5. When a mass is rotating in a plane about a fixed point, its angular momentum is

directed along:

(1) the line perpendicular to the plane of rotation

(2) the line making an angle of 45° to the plane of rotation

(3) the radius

(4) the tangent to the orbit

Page 23

AIPMT │ PHYSICS, CHEMISTRY AND BIOLOGY

Prelims Paper – 2012 (Code D)



www.topperlearning.com 23



83. Cycas andAdiantum resemble each other in having:

(1) Seeds

(2) Motile Sperms

(3) Cambium

(4) Vessels



84. What was the most significant trend in the evolution of modern man (Homo sapiens)

from his ancestors?

(1) Shortening of jaws

(2) Binocular vision

(3) Increasing cranial capacity

(4) Upright posture



85. Cymose inflorescence is present in :

(1) Solanurn

(2) Sesbania

(3) Trifolium

(4) Brassica



86. Ribosomal RNA is actively synthesized in

(1) Lysosomes

(2) Nucleolus

(3) Nucleoplasm

(4) Ribosomes



87. During gamete formation, the enzyme recombinase participates during

(1) Metaphase - I

(2) Anaphase - II

(3) Prophase - I

(4) Prophase – II



88. Identify the possible link "A" in the following food chain :

Plant  insect  frog  "A"  Eagle

(1) Rabbit

(2) WoIf

(3) Cobra

(4) Parrot

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