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Scholarship Admission Test (TSAT12&12PM)

Please Read The Instructions Carefully:

  1. The examination will comprise of  Single Correct Objective type Multiple Choice Questions (MCQs) 
  2. All questions are compulsory and each carries Four marks.
  3. The total number of questions and duration of the examination are displayed on the navigation panel.
  4. There will be NO NEGATIVE MARKING for the wrong answers.
  5. The students just need to click on the Right Choice / Correct option from the multiple choices /options given with each question. For Multiple Choice Questions, each question has four options, and the candidate has to click the appropriate option.
  6. The Time of the examination begins only when the ‘Start Test’ button is pressed.
  7. The answers can be changed at any time during the test and are saved automatically. 
  8. The examinee can move to First, Last, Previous, Next, and unanswered questions by clicking on the buttons with respective labels displayed on the screen throughout the test
  9. The Time remaining is shown in the middle of the screen.
  10. The system automatically shuts down when the time limit is over OR alternatively if the examinee finishes the exam before the time he can quit by pressing the ‘FINISH Test’ button. The students don’t click the “FINISH TEST” Button until the student wants to quit from Examination.
  11. Final marks will be displayed just after completion of the test.

1 / 90

Que: The stability of dihalides of Si, Ge, Sn, and Pb increases steadily in the sequence:

  1. PbX2 < SnX2 < GeX2 < SiX2
  2. GeX2 < SiX2 < < SnX2 < PbX2
  3. SiX2 < GeX2 < PbX2 < SnX2
  4. SiX2 < GeX2 <  SnX2 < PbX2

2 / 90

Que: Match column I with column II and select the correct option from the given codes:

Column I                                            Column II

  1. Parthenocarpy                                (i) Seed formation without fertilization
  2. Polyembryony                                (ii) More than one embryo in same seed
  3. Apomixis                                         (iii) Seedless fruits without fertilization
  4. Somatic embryogenesis               (iv) Embryo develops from a somatic cells
  1. A – (iv), B – (ii), C – (iii), D – (i)
  2. A – (iii), B – (ii) , C – (i), D – (iv)
  3. A – (i), B – (iv), C – (iii), D – (ii)
  4. A – (ii), B – (iii), C – (i), D – (iv)

3 / 90

Que: The degree of dissociation of an electrolyte is α and its van't Hoff factor is i. The number of ions obtained by complete dissociation of 1 molecule of the electrolyte is :

  1. frac{i+alpha -1}{alpha }
  2. i-alpha -1
  3. frac{i-1}{alpha }
  4. frac{i+1+alpha }{1-alpha }

4 / 90

Que: Name the enzyme that facilitates the opening of DNA helix during transcription.

  1. DNA helicase
  2. DNA polymerase
  3. RNA polymerase
  4. DNA ligase

5 / 90

Que: A true fruit is the one in which the, fleshy part of the fruit is derived from

  1. Thalamus
  2. Ovary
  3. Inflorescence axis
  4. Apocarpous gynoecium

6 / 90

Que: Which of the following amino acids has the lowest iso-electric point?

  1. Glycine
  2. Alanine
  3. Aspartic acid
  4. Lysine

7 / 90

Que: Puberty occurs in females at the age of

  1. 8-10 years
  2. 11-14 years
  3. 15-17 years
  4. 18-20 years

8 / 90

Que: Fusion of one male gamete with egg and other of the same pollen tube with two polar nuclei is

  1. Triple fusion
  2. Vegetative fertilization
  3. Double fertilization
  4. Parthenogenesis

9 / 90

Que: A Clitoris is related to penis

  1. Analogous
  2. Homologous
  3. Nonfunctional part in females
  4. Functional equivalent in females

10 / 90

Que: The ratio of secondary to the primary turns in a transformer is 5 : 4. If the power output be P, then the input power neglecting all loses must be equal to

1. 1.25 P

2. 0.8 P

3. P

4. 1.44 P

11 / 90

Que: For the arrangement shown in figure, the magnetic induction at the centre C

1.

2.

3.

4.

12 / 90

Que: The materials suitable for making electromagnets should have

1. High retentivity and high coercivity

2. High retentivity and low coercivity

3. Low retentivity and high coercivity

4. Low retentivity and low coercivity

13 / 90

Que: The enzyme taking part in joining two ends/fragments of DNA is

  1. Ligase
  2. Polymerase
  3. Gyrase
  4. Helicase

14 / 90

Que: Atoms in P4 molecule of white phosphorus arranged regularly in the following way:

  1. At the corners of a cube
  2. At the corners of an octahedron
  3. At the corners of a tetrahedron
  4. At the center and corners of a tetrahedron

15 / 90

Que: This employs sexual reproduction

  1. Amoeba
  2. Euglena
  3. Plasmodium
  4. Sycon

16 / 90

Que: Self pollination is transfer of pollen from anther to the stigma of

  1. Same flower.
  2. Same or different flower of the same plant.
  3. Flowers of different plants.
  4. Different flowers of the same plant.

17 / 90

Que: Trisomy 18 is

  1. Edward’s syndrome
  2. Patau’s syndrome
  3. Tuner’s syndrome
  4. Klinefelter’s syndrome

18 / 90

Que: Select the incorrect statement regarding Gauss's theorem

1. Gauss's theorem is true for any closed surface

2. Gauss's theorem is based on the inverse square dependence on distance contained in the Coulomb's
law

3. Gaussian surface can pass through a continuous charge distribution

4. For a closed surface where qfree  is free charge inside surface

19 / 90

Que: Charges q, 2q, 4q, 8q, ..... are placed along x-axis at r, 2r, 4r, 8r, ..... from origin respectively. The net electric field at origin is

1. Infinite

2.

3. 

4.

20 / 90

Que: In the body-centered cubic unit cell and simple cubic unit cell, the radius of atom in terms of edge length (a) of the unit cells is respectively:

  1. frac{a}{2},frac{a}{2sqrt{2}}
  2. frac{a}{sqrt{2}}, frac{a}{2}
  3. frac{a}{2sqrt{2}},frac{a}{2}
  4. frac{sqrt{3}a}{4},frac{a}{2}

21 / 90

Que: Mechanism that causes a gene to move from one linkage group to another is called

  1. Crossing over
  2. Inversion
  3. Duplication
  4. Translocation

22 / 90

Que: Two cells 6V, 1Ω and 4 volt, 2Ω are connected to form a closed loop. The current, which cannot flow through the loop is

1.

2.

3.

4. All of these

23 / 90

Que: Karyogamy is?

  1. Fusion of two germ cells
  2. Fusion of two gametic nuclei
  3. Fusion of a somatic cell and a reproductive cell
  4. Fusion of two somatic cells

24 / 90

Que: A point charge q and a dipole of dipole moment is placed as shown in the figure. The force acting
on the dipole due to charge q is

1. Rightward

2. Upward

3. Leftward

4. Downward

25 / 90

Que: Pollination is

  1. Shedding of pollen from anthers
  2. Similar to fertilization of animals
  3. Transfer of pollen from anthers to stigmas
  4. Transfer of pollen from anthers to ovules

26 / 90

Que: The primary sex organ is

  1. Ovary / Testis
  2. Uterus/Seminal Vesicle
  3. Breast/Beard
  4. Spermatic cord

27 / 90

Que: Endosperm is generally

  1. Diploid
  2. Haploid
  3. Triploid
  4. Polyploid

28 / 90

Que: Binary fission is a type of

  1. Vegetation propagation
  2. Asexual reproduction
  3. Sexual reproduction
  4. Nuclear fragmentation

29 / 90

Que: If galvanometer shows null deflection in the given figure then the value of Y is

1. 100Ω

2. 200Ω

3. 300Ω

4. 400Ω

30 / 90

Que: Ginger is multiplied vegetatively by

  1. Rhizome
  2. Tube
  3. Stem
  4. Bud

31 / 90

Que: What is the major product of the following reaction?

32 / 90

Que: At iso-electric point:

  1. conc. of cation is equal to conc of anion
  2. The net charge is zero
  3. Maximum conc. of di-polar ion (/zwitterion) will be present
  4. All of the above

33 / 90

Que: If two liquids A left (P_{A}^{^{circ}}=100 torr right )  and B left (P_{B}^{^{circ}}= 200 torr right ) which is completely immiscible with each other, each one will behave independently of the other are present in a closed vessel. The total pressure of the system will be:

  1. less than 100 torr
  2. greater than 200 torr
  3. between 100 to 200 torr
  4. 300 torr

34 / 90

Que: Identify the amino acid obtained by hydrolysis of the below compound:

  1. Glycine
  2. Alanine
  3. Both (a) and (b)
  4. None of these

35 / 90

Que: Two point charges q and 4q are located at a distance 2a apart. A charge Q is placed along the line joining them as shown in figure so that force on this becomes zero. The distance between charges q and Q is

1.

2.

3.  

4.

36 / 90

Que: The fraction of volume occupied by atoms in a primitive cubic unit cell is nearly:

  1. 0.48
  2. 0.52
  3. 0.55
  4. 0.68

37 / 90

Que: Phosphine acetylene and ammonia can be formed by treating water with:

  1. Mg3P2, Al4C3, Li3N
  2. Ca3P2, CaC2, Mg3N2
  3. Ca3P2, CaC2, CaCN2
  4. Ca3P2, Mg2C, NH4NO3

38 / 90

Que: Okazaki segments are formed during

  1. Transduction
  2. Transcription
  3. Replication
  4. Translation

39 / 90

Que: Maximum life span of a dog in years is

  1. 5
  2. 10
  3. 15
  4. 20

40 / 90

Que: Natural parthenogenesis occurs in

  1. Drosophila
  2. Housefly
  3. Honey Bee
  4. All the above

41 / 90

Que: Menstrual cycle is generally of

  1. 21 days
  2. 28 days
  3. 30 days
  4. 40 days

42 / 90

Que: Assuming complete ionization, the solution having a maximum freezing point will be:

  1. 1 M CaF2
  2. 1.5 M (Al2SO4)3
  3. 2 M NaCl
  4. 1 M AgNO3

43 / 90

Que: Reproduction which does not involve gametic union is

  1. Parasexual reproduction.
  2. Apomixes
  3. Parthenogenesis
  4. Agamospermy

44 / 90

Que: Anemophily is pollination through

  1. Water
  2. Air
  3. Insects
  4. Worms

45 / 90

Que: A bar magnet of magnetic moment M and pole strength m is broken in two equal part along the magnetic axis. The magnetic moment and pole strength of each part are

1.

2.

3.

4. M, m

46 / 90

Que: A wire has resistance 16Ω . It is bent in the form of an equilateral triangle. The effective resistance
between the two points on any median of the triangle is

1. 16Ω

2. 8Ω

3. 4Ω

4. 32Ω

47 / 90

Que: Potatoes are cultivated by

  1. Seeds
  2. Foliar buds
  3. Buds on tubers
  4. Cuttings of roots

48 / 90

Que: An inducter L and a capacitor C are connected in the circuit as shown in the figure. The frequency of power suppy is equal to the resonant frequency of the circuit. Which ammeter will read zero?

1. A1

2. A2

3. A3

4. None of there

49 / 90

Que: A conducting rod is moved with a constant velocity v in a magnetic field. A potential difference appears across the two ends

1.

2.

3.

4. None of these

50 / 90

Que: A copper rod of length l is rotated about mid point of rod, perpendicular to the magnetic field B with
constant angular velocity ω. The induced emf between the two ends is

1.

2.

3. fn_cm 2Bomega l^{2}

4. Zero

51 / 90

Que: Luteal phase is the other name of

  1. Follicular phase
  2. Proliferative phase
  3. Menstrual flow phase
  4. Secretary phase

52 / 90

Que: The point at which funiculus touches the ovule is

  1. Chalaza
  2. Hilum
  3. Raphe
  4. Endothelium

53 / 90

Que: At a certain place, horizontal component of earth’s field is times the vertical component of earth’s
field. The angle of dip at this place is

1. 30°

2. 45°

3. 60°

4. 90°

54 / 90

Que: DNA acts as a temple for the synthesis of

  1. DNA
  2. RNA
  3. Both DNA and RNA
  4. Protein

55 / 90

Que: An uniform magnetic field B and a uniform electric field E act in a region. If a charge particle enters in this region then the charged particle may remain undeflected in the region

1.

2.

3.

4.

56 / 90

Que: Menstrual cycle is controlled by

  1. Estrogen and progesterone of ovary
  2. FSH and LH of pituitary
  3. Both A and B
  4. FSH of pituitary

57 / 90

Que: Vegetative propagation through budding occurs in

  1. Rose
  2. Agave
  3. Yeast
  4. Ginger

58 / 90

Que: Chalaza is

  1. Space between integument and nucellus
  2. Ridge formed by fusion of funicle with the body of the ovule
  3. Place of origin of integuments
  4. Place where nucellus communicates with the cavity of the ovary

59 / 90

Que: The temperature in the scrotum necessary for sperm formation should be

  1. 2oC above body temperature
  2. 2oC below body temperature
  3. 4oC above body temperature
  4. 4oC below body temperature

60 / 90

Que: Flow of information during translation is?

  1. mRNA →Protein
  2. DNA → mRNA
  3. mRNA →DNA
  4. DNA → protein

61 / 90

Que: Aquatic weed which is popularly called “terror of Bengal” is

  1. Erythroxylum
  2. Eichhornia
  3. Echinus
  4. Echidna

62 / 90

Que: The catalyst used in the manufacture of ammonia by Haber's process is:

  1. Pt
  2. Fe
  3. Mo
  4. V2O5

63 / 90

Que: At puberty women start producing

  1. Sperms
  2. Urine
  3. Young ones
  4. Ova

64 / 90

Que: Two identical circular loops of metal wire are lying on a table without touching each other. Loop A carries a current which increases with time. In response, the loop B

1. Remains stationary

2. Is attracted by the loop A

3. Is repelled by the loop A

4. Rotates about its centre of mass with centre of mass fixed

65 / 90

Que: Identify product of below Fischer esterification reaction:

66 / 90

Que: Which of these dehydrates most easily?

67 / 90

Que: Accessory sex character is

  1. Beard
  2. Breast
  3. Moustaches
  4. All the above

68 / 90

Que: Menopause occurs in females to the age of

  1. 55-60 years
  2. 50-55 years
  3. 45-50 years
  4. 37-42 years

69 / 90

Que: Menstrual cycle occurs in

  1. Female primates
  2. Human females
  3. Mammalian females
  4. Rabbit

70 / 90

Que: Progesterone is secreted by

  1. Corpus luteum
  2. Corpus albicans
  3. Leydig cells
  4. Graafian cells

71 / 90

Que:

72 / 90

Que: External/accessory/secondary sexual characters first appear in

  1. Childhood
  2. Puberty
  3. Foetus
  4. Adulthood

73 / 90

Que: The dimension of the quantity is

1.

2.

3.

4.

74 / 90

Que: Hargobind Khorana was awarded Nobel prize for

  1. Deciphering genetic code
  2. Artificial gene synthesis
  3. Nucleotide sequence of tRNA
  4. Discovery of transposons

75 / 90

Que: The secondary sex organ is

  1. Testis
  2. Breast
  3. Beard
  4. Vas deferens

76 / 90

Que: Parthenogenesis is the development of new individual from

  1. A single gamete without fertilization.
  2. Fertilization of female gamete with female gamete
  3. Fertilization of male gamete with male gamete.
  4. Vegetative structure.

77 / 90

Que: Which of the following is not a colligative property?

  1. Vapur pressure
  2. Depression in f.pt.
  3. Elevation in b.pt.
  4. Osmotic pressure

78 / 90

Que: Identify from the following group of animals that exhibit oestrus cycle

  1. Lion, deer, dog and cow
  2. Cow, monkey, elephant and ape
  3. Monkey, ape, man and elephant
  4. Lion, dog, monkey and Spider

79 / 90

Que: Find out wrongly matched pair

  1. Tuber – Potato
  2. Leaf buds – Banana
  3. Offsets – Water Hyacinth
  4. Rhizome – ginger

80 / 90

Que: First successful animal clone was

  1. Dolly got
  2. Dolly sheep
  3. Molly goat
  4. Molly sheep

81 / 90

Que: First menstrual cycle is

  1. Parturition
  2. Menopause
  3. Menarche
  4. Implantation

82 / 90

Que: A thin wire carrying current i is placed along positive z-axis. The unit vector of magnetic field at a point (a, a, 0) is

1.

2.

3.

4.

83 / 90

Que: Seminiferous tubules open into

  1. Epididymis
  2. Vesa efferentia
  3. Vasa deferentia
  4. Rete testis

84 / 90

Que: A particle of charge q is coming from infinity along axis of a uniformly charged ring of radius R and charge Q. At a point x distance from centre of ring it experiences maximum force. Then x is equal to

1. R

2.

3. 0

4.

85 / 90

Que: Hermaphrodite animal is

  1. Spider
  2. Honey Bee
  3. Ascaris
  4. Leech

86 / 90

Que: What is the major product of the following reaction?

87 / 90

Que: A disease caused by an autosomal primary nondisjunction is

  1. Down’s syndrome
  2. Klinefelter's syndrome
  3. Turners’s syndrome
  4. Sickle cell anemia

88 / 90

Que: Number of sperms present in a single ejaculation of semen contains

  1. 10,000
  2. 100,000 – 1000,000
  3. 30 – 40 million
  4. 300 – 400 million

89 / 90

Que: In the face-centered cubic unit cell, the radius of atoms in terms of edge length (a) of unit cell is:

  1. a/2
  2. a/sqrt{2}
  3. a/2sqrt{2}
  4. sqrt{3}a/4

90 / 90

Que: Among the given pairs, in which pair first compound reacts faster than second compound in Sn1 reaction?: