ANSWER KEY
2

Scholarship Admission Test (TSAT11M)

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: Find the number of nodal planes in δ* (ABMO).

  1. 1
  2. 3
  3. 2
  4. zero

2 / 90

Que: Select the correct order of solubility.

  1. LiCl > NaCl > KCl < RbCl < CsCl
  2. MgF2 < CaF2 < SrF2 < BaF2 < BeF2
  3. LiF < NaF < KF < RbF < CsF
  4. All are correct

3 / 90

Que: Alminium is diagonally related to

  1. Li
  2. Si
  3. Be
  4. B

4 / 90

Que: The given graph represents the variations of force acting on a particle (starts from rest) of mass 2 kg as a function of time, then the kinetic energy of the particle is

  1. 200 J
  2.  400 J
  3. 800 J
  4. 1600 J

5 / 90

Que: The level of structural organisation found in Hydra and jelly Fishes is

  1. Cellular
  2. Acellular
  3. Tissue
  4. Organ-system

6 / 90

Que: The morphological nature of the edible part of the coconut is

  1. Perisperm
  2. Cotyledon
  3. Endosperm
  4. Pericarp

7 / 90

Que: Which of the following exhibits metagenesis

  1. Hydra
  2. Adamsia
  3. Aurelia
  4. Obelia

8 / 90

Que: If a particle of mass m resting at the top of a smooth hemisphere of radius R is displaced, then the angle with vertical at which it looses contact with the surface is

  1. fn_cm tan^{-1}left ( frac{1}{3} right )
  2. fn_cm cos^{-1}left ( frac{1}{3} right )
  3. fn_cm tan^{-1}left ( frac{2}{3} right )
  4. fn_cm cos^{-1}left ( frac{2}{3} right )

9 / 90

Que: Buds which give rise to leafy shoots are

  1. Adventitious buds
  2. Vegetative buds
  3. Reproduction buds
  4. Radical buds

10 / 90

Que: Calcified cartilage is

  1. Soft
  2. Hard
  3. Fibrous
  4. None of the above

11 / 90

Que: An artificial satellite moving in a circular orbit around the Earth has kinetic energy E0. Its potential energy is

  1. -E0
  2. -2E0
  3. 2E0
  4. fn_cm -frac{E_{0}}{2}

12 / 90

Que: If the density of a planet is double that of the Earth and the radius is 1.5 times that of the Earth, then the acceleration due to gravity on the surface of the planet is

  1. fn_cm frac{3}{4} times that on the surface of the Earth
  2. 3 times that on the surface of the Earth
  3. fn_cm frac{4}{3} times that on the surface of the Earth
  4. 6 times that on the surface of the Earth

13 / 90

Que: A system consists of two fixed particles of mass m each distant r from each other. What is the escape velocity at a point mid-way the line joining the two particles?

  1. fn_cm sqrt{frac{Gm}{r}}
  2. fn_cm 2sqrt{frac{Gm}{r}}
  3. fn_cm 2sqrt{frac{2Gm}{r}}
  4. fn_cm sqrt{frac{Gm}{2r}}

14 / 90

Que: The oxidation states of S-atoms in Caro's and Marshall's acids are:

  1. +6, +6
  2. +6, +4
  3. +6, -6
  4. +4, +6

15 / 90

Que: When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as

  1. Imbricate
  2. Twisted
  3. Valvate
  4. Vexillary

16 / 90

Que: Oxygen is not produced during photosynthesis by

  1. Cycas
  2. Nostoc
  3. Green sulfur bacteria
  4. Chara

17 / 90

Que: Which one of the following combinations illustrate the law of reciprocal proportions?

  1. N2O3, N2O4, N2O5
  2. NaCl, NaBr, NaI
  3. CS2, CO2, SO2
  4. PH3, P2O3, P2O5

18 / 90

Que: the hydrogen indicated by arrow will be easily removed as:

  1. H+
  2. HΘ
  3. H^{bullet }
  4. H^{-2}

19 / 90

Que: The oxidation number of nitrogen atoms in NH4NO3 is:

  1. +3, +3
  2. +3, -3
  3. -3, +5
  4. -5, +3

20 / 90

Que: A monosaccharide is

  1. Carbon
  2. Starch
  3. Monosaccharide
  4. Cane sugar

21 / 90

Que:

Match the items given in Column I with those in Column II and select the correct option given below:

Column I  

Column II

 

(a) Herbarium (i)  It is a place having a collection of preserved plants and animals.
(b) Key (ii) A list that enumerates methodically all the species found in an area with brief description aiding identification.
(c) Museum (iii) Is a place were dried and pressed plant specimens mounted on sheets are kept.
(d) Catalogue (iv) A booklet containing a list of characters and their alternates which are helpful in the identification of various taxa
  1. a-ii, b-iv, c-iii, d-i
  2. a-i, b-iv, c-iii, d-ii
  3. a-iii, b-ii, c-i, d-iv
  4. a-iii, b-iv, c-i, d-ii

22 / 90

Que: Which of the following organisms are known as chief producers in the oceans?

  1. Dinoflagellates
  2. Diatoms
  3. Cyanobacteria
  4. Euglenoids

23 / 90

Que: A major site for the synthesis of lipids is

  1. Symplast
  2. SER
  3. RER
  4. Nucleoplasm

24 / 90

Que: Cyanobacteria are also referred as

  1. Protists
  2. Golden Algae
  3. Slide Moulds
  4. Blue-green

25 / 90

Que: Methanogens belong to

  1. Eubacteria
  2. Archaebacteria
  3. Dinoflagellates
  4. Slime moulds

26 / 90

Que: A sample of phosphorus that weighs 12.4 g exerts a pressure of 8 atm in a 0.821 litre closed vessel at 527oC. The molecular formula of the phosphorus vapour is:

  1. P2
  2. P4
  3. P6
  4. P8

27 / 90

Que: If torque acting on a system about an axis of rotation is zero, then the quantity that remains constant about that axis is

  1. Force
  2. Linear momentum
  3. Angular momentum
  4. Angular velocity

28 / 90

Que: Tendon connects

  1. Bone to bone
  2. Bone to muscle
  3. Nerve to muscle
  4. Muscle to muscle

29 / 90

Que: A swollen leaf base is called

  1. Pulvinus
  2. Amplexicaul
  3. Winged
  4. Sheathing leaf base

30 / 90

Que: The main function of leaf is

  1. Transpiration
  2. Exchange of gases
  3. Photosynthesis
  4. Cooling

31 / 90

Que: Match the columns and choose the correct option

Column I Column II
(i)       Incomplete digestive system (a)  Sponges
(ii)      Cellular level of organisation (b)  Coelenterates
(iii)     Radial symmetry (c)   Annelids
(iv)     Pseudocoelomate (d)   Platyhelminthes
(v)      Metamerism (e)    Aschelminthes
  1. i – c, ii – d, iii – a, iv – b, v - e
  2. i – d, ii – e, iii – b, iv – c, v - a
  3. i – d, ii – a, iii – b, iv – e, v - c
  4. i – b, ii – c, iii – d, iv – a, v - e

32 / 90

Que: Which among the following has the highest ionic radius?

  1. F
  2. B3+
  3. O2 –
  4. Li +

33 / 90

Que: Phylloclade is a modification of

  1. Leaf
  2. Root
  3. Flower
  4. Stem

34 / 90

Que: The term polyadelphous is related to

  1. Calyx
  2. Gynoecium
  3. Androecium
  4. Corolla

35 / 90

Que: The symmetry found in an animal in which the animal can be divided into two similar halves through by one plane only is

  1. Radial
  2. Biradial
  3. Spherical
  4. Bilateral

36 / 90

Que: A cracker rocket ejecting gases at a rate of 0.02 kg/s with a velocity of 500 m/s. The force on the rocket because of the ejecting gases is

  1. Zero
  2. 10 N
  3. 50 N
  4. 500 N

37 / 90

Que: A new system of unit is chosen in which the unit of mass is taken as 10 kg, unit of length is taken as 1m and unit of time is taken 10 second. 1 Joule in this new system is numerically equal to

  1. 1
  2. 1000
  3. 10
  4. fn_cm frac{1}{10}

38 / 90

Que: Draw a-x graph corresponding to the given v-x graph

39 / 90

Que: Units of the nervous system are

  1. Cytons
  2. Axons
  3. Neurons
  4. Dendrites

40 / 90

Que: The position of a particle at time t is given by the relation fn_cm x=frac{v_{0}}{alpha }left ( 1-C^{-alpha t} right ). The dimensional formula for fn_cm alpha ^{2}v_{0} ^ {3} will be

  1. [L3T- 4]
  2. [L3T- 5]
  3. LT- 2
  4. [L2T- 3]

41 / 90

Que: Metamerism is characteristic of

  1. Platyhelminthes
  2. Mollusca
  3. Porifera
  4. Annelida

42 / 90

Que: 70S ribosomes are found in

  1. Eukaryotic cell
  2. Prokaryotic cell
  3. Mitochondria
  4. Both B and C

43 / 90

Que: When SO2 is passed into an acidified potassium dichromate solution, the oxidation numbers of sulphur and chromium in the final products respectively are:

  1. +6, +6
  2. +6,+3
  3. 0, +3
  4. +2, +3

44 / 90

Que: The level of organization in sponges is

  1. Cellular level
  2. Acellular level
  3. Tissue level
  4. Organ – system level

45 / 90

Que: The enzymes that act on starch are

  1. Esterases
  2. Amylases
  3. Proteases
  4. Lipases

46 / 90

Que: Which of the following molecules have maximum number of 8 atoms in one plane?

  1. CH2SF4
  2. P(CH3)3 (CF3)2
  3. I2Cl6
  4. None

47 / 90

Que: The term taxonomy is introduced by

  1. De Candolle
  2. Benthum and Hooker
  3. Linnaeus
  4. Huxley

48 / 90

Que: Which is an important site of the formation of glycoproteins and glycolipids in eukaryotic cells?

  1. Peroxisomes
  2. Golgi bodies
  3. Polysomes
  4. Endoplasmic reticulum

49 / 90

Que: Magnitude of angular momentum of wheel changes from 2L to 3L in 5 sec. by a constant torque acting opposite to initial direction of rotation. What is the magnitude of the torque?

  1. fn_cm frac{L}{5}
  2. L
  3. fn_cm frac{2L}{5}
  4. fn_cm frac{3L}{5}

50 / 90

Que: In which of the following the oxidation number of oxygen has been arranged in increasing order:

  1. OF2 < KO2 < BaO2 < O3
  2. BaO2 < KO2 < O3 < OF2
  3. BaO2 < O3 < OF2 < KO2
  4. KO2 < OF2 < O3 < BaO2

51 / 90

Que: A cell organelle containing hydrolytic enzyme is

  1. Mesosome
  2. Lysosome
  3. Microsome
  4. Ribosome

52 / 90

Que: Brown algae have a characteristic pigment of

  1. Phycocyanin
  2. Fucoxanthin
  3. Phycoerythrin
  4. Haematochrome

53 / 90

Que: Select the correctly written scientific name of Mango which was first described by Linnaeus.

  1. Mangifera Indica
  2. Mangifera Indica Linn
  3. Mangifera indica Car. Linn
  4. Mangifera indica

54 / 90

Que: Total number of electrons in 48 g Mg2+ are:

  1. 24 NA
  2. 2 NA
  3. 20 NA
  4. None of these

55 / 90

Que: True coelom is lined by

  1. Ectoderm
  2. Ectoderm and endoderm
  3. Mesoderm
  4. Endoderm

56 / 90

Que: In DNA, adenine pairs with

  1. Guanine
  2. Thymine
  3. Cytosine
  4. Uracil

57 / 90

Que: Choose the correct sequence of taxonomic categories.

  1. Class - Phylum - Order  - Family - Genus - Species
  2. Division - Class - Order - Family - Genus - Species
  3. Division - Class - Family - Order - Genus - Species
  4. Phylum - Order - Class - Family - Genus – Species

58 / 90

Que: Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP

  1. Lysosome
  2. Ribosome
  3. Chloroplast
  4. Mitochondria

59 / 90

Que: Lichens are composite organisms  containing an alga and

  1. Fungus
  2. Bacterium
  3. Moss
  4. Protozoan

60 / 90

Que: A body is thrown with a velocity equal to n (> 1) times the escape velocity (ve). The velocity of the body at a very large distance away will be

  1. fn_cm v_{e}sqrt{n^{2}-1}
  2. fn_cm v_{e}sqrt{n^{2}+1}
  3. fn_cm v_{e}sqrt{1-n^{2}}
  4. None of these

61 / 90

Que: Radial symmetry occurs in :

  1. fishes
  2. Molluscs
  3. Star Fishes / Asterias
  4. Sponges

62 / 90

Que: Match the columns

Column I Column II
(a)            Erythrocytes (p) Bone
(b)           Chondrocytes (q) Neuron
(c)          Osteocytes (r) Cartilage
(d)          Schwann cells (s) Blood
(t) Adipose Tissue
  1. a – s, b – p, c – r, d – q
  2. a – s, b – q, c – p, d – t
  3. a – s, b – r, c – p, d – q
  4. a – s, b – r, c – t,  d – p

63 / 90

Que: The two ends of train moving with constant acceleration pass a certain point with velocities u and 2 u. The velocity with which, the middle point of the train passes the same point is

  1.  2.5 u
  2. 1.5 u
  3. fn_cm sqrt{5} u
  4. fn_cm sqrt{2.5} u

64 / 90

Que: Phyllode is a modification of

  1. Petiole
  2. Stem
  3. Inflorescence
  4. Root

65 / 90

Que: The excretory structures of flatworms/taenia are

  1. Flame cells
  2. Nephridia
  3. Malpighian tubules
  4. Green glands

66 / 90

Que: Which orbital fills completely immediately before the 4f?

  1. 6s
  2. 5p
  3. 5d
  4. 4d

67 / 90

Que: Fe shows an oxidation state of +1 in:

  1. Fe(CO)5
  2. [Fe(H2O)5NO] SO4
  3. Fe4[Fe (CN)6 ]3
  4. FeCl_{4}^{-}

68 / 90

Que: Amoeba is

  1. Biradial
  2. Asymmetric
  3. Radial
  4. Bilateral

69 / 90

Que: The vapor density of a mixture containing NO2 and N2O4 is 27.6. The mole fraction of N2O4 in the mixture is:

  1. 0.1
  2. 0.2
  3. 0.5
  4. 0.8

70 / 90

Que: Phycoerythrin is the major pigment is

  1. Blue-green algae
  2. Green algae
  3. Brown algae
  4. Red algae

71 / 90

Que: The correct hydration energy order is:

  1. Fe 2+ > Fe3+
  2. Cu 2+ < Cu+
  3. K + > Cs+
  4. F < Br

72 / 90

Que: If the internuclear axis is z-axis, then HOMO orbital(s) of CO is

  1. σ*2pz
  2. N.B.M.O
  3. π*2py = π*2pz
  4. None of these

73 / 90

Que: A rod of mass 4m and length l hinged at its centre is placed on a horizontal surface. A bullet of mass m moving with velocity v strikes the end A of the rod and gets embedded in it. The angular velocity with which the system rotates about its centre of mass after the bullet strikes the rod

  1. fn_cm omega =frac{6v}{7l}
  2. fn_cm omega =frac{5v}{4l}
  3. fn_cm omega =frac{2v}{3l}
  4. fn_cm omega =frac{v}{3l}

74 / 90

Que: Tissue means

  1. Similar cells having a common origin
  2. Similar cells having common origin and functions
  3. Cells having same metabolic activities
  4. Similar cells with same metabolic activity

75 / 90

Que: Three blocks of masses 2 kg, 3 kg, and 4 kg are placed one over the other as shown in the figure. Calculate the force exerted by the blocks of mass 2 kg and 4 kg on the 3 kg block (g = 10 m/s2)

  1. 20 N, 50 N
  2. 20 N, 90 N
  3. 20 N, 70 N
  4. 20 N, 30 N

76 / 90

Que: Cholesterol is

  1. Monosaccharide
  2. Protein
  3. Sterol
  4. Wax

77 / 90

Que: The change in potential energy when a body of mass m is raised to height nR from the Earth’s surface is (R = radius of the Earth, g = acceleration due to gravity)

  1. fn_cm mgRleft ( frac{n}{n-1} right )
  2. nmgR
  3. fn_cm mgRleft ( frac{n}{n+1} right )
  4. fn_cm mgRleft ( frac{n^{2}}{n^{2}{}+1} right )

78 / 90

Que: Two rigid bodies A and B rotate with angular momentum LA and LB respectively such that LA / LB = 2. If their moment of inertia about axis of rotation are IA and IB respectively such that IB /IA = 4, then the ratio of their kinetic energies KA /KB is

  1. 25: 4
  2. 5 : 4
  3. 4 : 1
  4. 16 : 1

79 / 90

Que: Blood platelets are present in the blood of

  1. Fishes
  2. Amphibians
  3. Reptiles
  4. Mammals

80 / 90

Que: The roots that originate from the base of the stem are

  1. primary roots
  2. drop roots
  3. Lateral roots
  4. Fibrous roots

81 / 90

Que: A solid cylindre is rolling without slipping with velocity of its centre of mass v and angular velocity about its centre of mass ω on a horizontal frictionless surface as shown in figure. If it collides with a frictionless vertical wall X, then after collision its velocity and angular velocity respectively become

  1. fn_cm frac{v}{2}, frac{omega }{2}
  2. - v, - ω
  3. - v, ω
  4. v, -ω

82 / 90

Que: Which electronic configuration of neutral atom will have the highest first ionization potential?

  1. 1s2, 2s2 2p1
  2. 1s2, 2s2 2p3
  3. 1s2, 2s2 2p2
  4. 1s2, 2s2 2p4

83 / 90

Que: Stability of species B_{2}^{+},B_{2}^{-},B_{2} is in the order

  1. B_{2}< B_{2}^{+}<B_{2}^{-}
  2. B_{2}^{+}< B_{2}< B_{2}^{-}
  3. B_{2}< B_{2}^{-}<B_{2}^{+}
  4. B_{2}^{-}< B_{2}<B_{2}^{+}

84 / 90

Que: Ascaris is

  1. Diploblastic
  2. Triploblastic
  3. Monoblastic
  4. none of these

85 / 90

Que: In gymnosperms, the ovules are

  1. Naked
  2. covered
  3. With two coats
  4. All the above

86 / 90

Que: Which one of the living organism completely lacks a cell wall

  1. Sea Fan 
  2. saccharomyces
  3. Blue-green algae
  4. Cyanobacteria

87 / 90

Que: The speed of centre of mass of a homogenous sphere after rolling down an inclined plane of vertical height h from rest without sliding is

  1. fn_cm sqrt{gh}
  2. fn_cm sqrt{gh/5}
  3. fn_cm sqrt{4gh/3}
  4. fn_cm sqrt{10gh/7}

88 / 90

Que: John is standing with folded hands at the center of a platform rotating about its central axis. The kinetic energy of the system is K. Now, John stretches his arms so that moment of inertia of the system doubles. The kinetic energy of the system now is

  1. 2K
  2. 4K
  3. K/4
  4. K/2

89 / 90

Que: A complete digestive system is where

  1. Radial
  2. both anus and mouth are present
  3. digestion occurs in the cavity of the digestive tract
  4. digestion occurs in the individual cells lining the digestive tract

90 / 90

Que: Segments of Tapeworm are called

  1. Scolex
  2. Cysticercus
  3. Proglottides
  4. Onchospheres