PMT Sample Question Physics 01


1. The velocity with which a projectile must be fired so that it escapes earth’s gravitation does not depend on

(A) Mass of the earth

(B) Mass of the projectile

(C) Radius of the projectile’s orbit

(D) Gravitational constant


2. The maximum distance upto which TV transmission from a TV tower of height h can be received

is proportional to-

(A) h 1/2

(B) h

(C) h 3/2

(D) h 2


3. In short wave communication waves of which of the following frequencies will be reflected back

by the ionospheric layer having electron density 10 11 per m -3 ?

(A) 2 MHz

(B) 10 MHz

(C) 12 MHz

(D) 18 MHz


1. Which of the following is/are form(s) of passive transport?

(A) Facilitated diffusion

(B) Simple diffusion

(C) Both (A) and (B)

(D) None of the above

2. During Hatch-Slack pathway CO 2 is fixed in the

(A) Chloroplast of bundle sheath cells

(B) Mitochondria

(C) Ribosomes

(D) None of the above

3. Chromosomes with median centromere and equal arms are termed

(A) Telocentric

(B) Acentric

(C). Metacentric

(D) Submetacentric

4. Puffs in salivary gland chromosomes represent the site of

(A) RNA synthesis

(B) Protein synthesis

(C) DNA replication

(D) All of the above

5. Lead is mainly considered

(A) Smoke and smog

(B) Air pollutant

(C) Soil pollutant

(D) Water pollutant

6. Which one of the following is a pseudocereal ?

(A) Oryza sativa

(B) Fagropyrum esculentum

(C) Triticum aestivum

(D) Zea mays

7. Some cucurbits are bitter in taste because of tbe presence of-

(A) Tartaric acid

(B) Proteins in lower quantity

(C) Starch in high quantity

(D) Tetracyclic triterpenes

8. The percentage ratio of natality over mortality is called-

(A) Vital index

(B) Biological clock

(C) Senescence

(D) Density-volume

9. Uneven thickening on the wall of collenchyma is found due to the deposition of

(A) Cutin

(B) Chitin

(C) Curcumin

(D) Cellulose and pectin

10. Population with adjacent geographic ranges is called

(A) Allometry (B) Sympatric

(C) Allopatric (D) Parapatric

11. Which of the following essential amino acids is not found in corn meal?

(A) Alanine

(B) Glutamic acid

(C) Glycine

(D) Tryptophan

25. Crossing over is an exchange of genetic material between nonsister chromatids of a bivalent during

(A) Meiosis I

(B) Meiosis II

(C) Mitosis

(D) All of the above

26. Who among the following said that the percentage of A + G equals 50% and the percentage of T + C equals 50% ?

(A) Hershey and Chase

(B) Jacob and Monad

(C) Griffith and Niescher

(D) None of the above

27. Biologists who study the sequence of organisms in the fossil record are

(A) Systematists

(B) Taxonomists

(C) Paleobiologists

(D) None of the above

28, The cretaceous period, during which flowering plants appeared,occurred approximately

(A) 280 million years ago

(B) 135 million years ago

(C) 1,35 billion years ago

(D) 80 milliol1 years ago

29. Bacteria that must have organic molecules both for energy and as a source of carbon are called

(A) Chemoautotrophs

(B) Photohetrotrophs

(C) Photoautotrophs

(D) Chemoheterotrophs

30. In allopatric speciation, the initial barrier to gene flow is

(A) Ecological

(B) Postzygotic

(C) Geographic

(D) None of the above

31. Saffron is obtained from

(A) Dried stigma of Crocus plant

(B) Dried flower of Papaver somniferum

(C) Dried flower of rose

(D) None of the above

32. The correct statement(s) for photosynthesis is/are

(A) It provides food either directly or indirectly for most living things

(B) It produces oxygen

(C) It provides energy to create today’s fossil fuels

(D) All of the above are correct

33. Cladode is found in

(A) Asparagus

(B) Opuntia

(C) Both (A) and (B)

(D) Hydrilla

34. Which of the following plants yielc!s the drug ‘ephedrine’ ?

(A) I Saraca indica

(B) Terminalia arjuna

(C) Adhatoda vasica

(D) None of the above

35. Grass stem elongates by the activity of

(A) Primary meristem


1. The separation energy of the electron, present in shell n = 3 is 1.51 eV. What is the energy in the first excited state?

(A) – 1.51 eV

(B) – 3.4 eV

(C) + 1.51 eV

(D) – 13.6 eV

2. If the electron is present in the n = 5 level, how many lines would be observed, in case of H- atom ?

(A) 10

(C) 7

(B) 5


3. Total number of moles of electrons in one mole of K 2 Cr 2 0 7 will be

(A) 142

(C) 140

(B) 86

(D) 100

4. ? = X A – X B = 2. What is the percent ionic character for a covalent molecule A – B ?

(A) 46

(B) 50

(C) 20

(D) 30

5. If Y = then y will show the maximum value for the compound

(A) Rbl

(C) RbF

(B) Lil

(D) LiF

6. Three fold symmetrical axis is associated with the molecule

(A) NH 3

(B) C 2 H 4

(C) CO 2

(D) S0 2

7. K c for the reaction 2NaHCO 3(S) Na 2 CO 3(S) + CO 2(g) + H 2 O (g) is

(A) K c = [Na 2 CO 3 ]

[NaHCO 3 ] 2

(B) K c = [Na 2 CO 3 ] [CO 2 ] [H 2 O]

[NaHCO 3 ] 2

(C) K c = [CO 2 ] [H 2 O]

(D) K c = PCO 2 X PH 2 O

8. A substance whose initial concentration is ‘a’ reacts according to zero order kinetics. The time required for completion will be

(A) a

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