Toppers Academy

1

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

1.

2.

3.

4.

2 / 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

3 / 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}

4 / 90

Que: Vegetative propagation through budding occurs in

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

5 / 90

Que: Seminiferous tubules open into

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

6 / 90

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

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

7 / 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

8 / 90

Que: Luteal phase is the other name of

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

9 / 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

10 / 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)

11 / 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

12 / 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°

13 / 90

Que: Progesterone is secreted by

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

14 / 90

Que: The secondary sex organ is

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

15 / 90

Que: A Clitoris is related to penis

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

16 / 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.

17 / 90

Que: Hermaphrodite animal is

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

18 / 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

19 / 90

Que: Menstrual cycle is generally of

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

20 / 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

21 / 90

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

22 / 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

23 / 90

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

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

24 / 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.

25 / 90

Que: Find out wrongly matched pair

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

26 / 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

27 / 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

28 / 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

29 / 90

Que: Okazaki segments are formed during

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

30 / 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.

31 / 90

Que: At puberty women start producing

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

32 / 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

33 / 90

Que: Maximum life span of a dog in years is

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

34 / 90

Que: Flow of information during translation is?

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

35 / 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

36 / 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.

37 / 90

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

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

38 / 90

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

39 / 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

40 / 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

41 / 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

42 / 90

Que: Binary fission is a type of

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

43 / 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

44 / 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

45 / 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

46 / 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

47 / 90

Que: Endosperm is generally

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

48 / 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 }

49 / 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

50 / 90

Que: Potatoes are cultivated by

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

51 / 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.

52 / 90

Que: The dimension of the quantity is

1.

2.

3.

4.

53 / 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

54 / 90

Que: First menstrual cycle is

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

55 / 90

Que: Accessory sex character is

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

56 / 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.

57 / 90

Que: This employs sexual reproduction

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

58 / 90

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

59 / 90

Que: First successful animal clone was

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

60 / 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

61 / 90

Que: Identify product of below Fischer esterification reaction:

62 / 90

Que: Menstrual cycle occurs in

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

63 / 90

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

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

64 / 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

65 / 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

66 / 90

Que: Which of these dehydrates most easily?

67 / 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

68 / 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

69 / 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

70 / 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

71 / 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

72 / 90

Que:

73 / 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

74 / 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

75 / 90

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

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

76 / 90

Que: The primary sex organ is

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

77 / 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

78 / 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

79 / 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.

80 / 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

81 / 90

Que: DNA acts as a temple for the synthesis of

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

82 / 90

Que: Ginger is multiplied vegetatively by

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

83 / 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

84 / 90

Que: The point at which funiculus touches the ovule is

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

85 / 90

Que: Anemophily is pollination through

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

86 / 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

87 / 90

Que: Trisomy 18 is

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

88 / 90

Que: Natural parthenogenesis occurs in

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

89 / 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

90 / 90

Que: Reproduction which does not involve gametic union is

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