ANSWER KEY
9

Scholarship Admission Test (TSAT10M)

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 / 55

Que: The component of blood which makes chemicals known as antibodies is :

  1. platelets
  2. white blood cells
  3. red blood cells
  4. plasma

2 / 55

Que: Light from the Sun falling on a convex lens will converge at a point called

  1. centre of curvature
  2. focus
  3. radius of curvature
  4. optical centre

3 / 55

Que: Electrolysis of water is a decomposition reaction. The mole ratio of oxygen and hydrogen gases liberated during electrolysis of water is:

  1. 1: 1
  2. 2: 1
  3. 4: 1
  4. 1: 2

4 / 55

Que: Image formed by a plane mirror is

  1. Real and erect
  2. Real and inverted
  3. Virtual and erect
  4. Virtual and inverted

5 / 55

Que: Glycolysis process occurs in which part of the cell?

  1. cytoplasm
  2. Nucleus
  3. mitochondria
  4. chloroplast

6 / 55

Que: Copper objects lose their shine and form a green coating of

  1. Copper oxide
  2. Copper hydroxide and Copper oxide
  3. Basic Copper carbonate
  4. Copper carbonate

7 / 55

Que: The force acting on a unit positive test charge at a point inside an electric field is called

  1. potential
  2. field
  3. field intensity
  4. potential difference

8 / 55

Que: Direction of flow of conventional current is taken from

  1. negative to positive
  2. positive to negative
  3. any of the above two
  4. none of the above two

9 / 55

Que: Which of the following method of contraception protects from acquiring sexually trans¬mitted diseases?

  1. Surgery
  2. Condoms
  3. Copper-T
  4. Oral-pills

10 / 55

Que: The site of photosynthesis in the cells of a leaf is

  1. chloroplast
  2. mitochondria
  3. cytoplasm
  4. protoplasm

11 / 55

Que: Which of the given shapes would complete the sequence?

1. D

2. B

3. C

4. A

12 / 55

Que: In a certain code ‘GIVE’ is writ­ten as ’51@©’ and ‘FAIL’ is writ­ten as ‘%219’. How is LEAF writ-ten in  that code ?

1. 5©2%

2. 9©2%

3. 9@2%

4. 9©1%

13 / 55

Que: Which of the following is an endothermic process?

  1. Dilution of sulphuric acid
  2. Sublimation of dry ice
  3. Condensation of water vapours
  4. Respiration in human beings

14 / 55

Que: Assertion: Ammonium hydroxide is Weak Base

      Reason: Phenolphthalein becomes pink in NH2OH

  1. Both A and R are true and R is the correct explanation of A.
  2. Both A and R are true but R is not the correct explanation of A.
  3. A is true but R is false.
  4. A is false but R is true.

15 / 55

Que: The breakdown of pyruvate to give carbon di-oxide, water and energy takes place in

  1. cytoplasm
  2. mitochondria
  3. chloroplast
  4. nucleus

16 / 55

Que: The space around a charge in which its effect can be felt is called its

  1. potential
  2. field
  3. field intensity
  4. potential difference

17 / 55

Que: Q 9 K # P @ 3 E N S A C * G © U l M 7 F I V % 4 Z 8 Y Which of the following is the sixth to the left of the fifth to the left of V ?

1. A

2. N

3. S

4. None of these

18 / 55

Que: A 10 mm long awl pin is placed vertically in front of a concave mirror. A 5 mm long image of the awl pin is formed at 30 cm in front of the mirror. The focal length of this mirror is

  1. -30 cm
  2. -20 cm
  3. -40cm
  4. -60 cm

19 / 55

Que: In which mode of nutrition an organism derives its food from the body of another living organism without killing it?

  1. Saprotrophic nutrition
  2. Parasitic nutrition
  3. Holozoic nutrition
  4. Autotrophic nutrition

20 / 55

Que: The process of release of eggs from the ovary is called

  1. menstruation
  2. reproduction
  3. insemination
  4. ovulation

21 / 55

Que: An element X is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following

  1. Mg
  2. Na
  3. P
  4. Ca

22 / 55

Que: Lipase acts on

  1. amino acids
  2. fats
  3. carbohydrates
  4. all of these

23 / 55

Que: In human males, the testes lie in the scrotum, because it helps in the

  1. process of mating
  2. formation of sperms
  3. easy transfer of gametes
  4. secretion of estrogen

24 / 55

Que: One of the following is not a constituent of blood. This one is

  1. red blood cells
  2. white blood cells
  3. sieve plates
  4. platelets

25 / 55

Que: The green colour of plants is due to the presence of

  1. chlorophyll
  2. carotene
  3. xanthophyll
  4. starch

26 / 55

Que: Asexual reproduction is:

  1. A fusion of specialized cells
  2. A method by which all types of organisms reproduce
  3. A method producing genetically identical offspring
  4. A method in which more than one parent are involved

27 / 55

Que: The process in which a carbonate ore is heated strongly in the absence of air to convert it into metal oxide is called

  1. Roasting
  2. Reduction
  3. Calcination
  4. Smelting

28 / 55

Que: In human beings, the fertilization occurs in the

  1. uterus
  2. ovaries
  3. fallopian tubes
  4. vagina

29 / 55

Que: The period during adolescence when the reproductive tissues begin to mature is called

  1. ovulation
  2. puberty
  3. ovulation
  4. propagation

30 / 55

Que: The period of pregnancy is called

  1. gestation period
  2.  incubation period
  3. ovulation
  4. menstruation period

31 / 55

Que: The blood vessel which carries oxygenated blood from the lungs to the heart is

  1. main artery
  2. pulmonary artery
  3. main vein
  4. pulmonary vein

32 / 55

Que: Which of the following is the correct path taken by urine in our body?

  1. Kidney → Ureter → Urethra → Bladder
  2. Kidney → Bladder → Urethra → Ureter
  3. Kidney → Ureter → Bladder → Urethra
  4. Bladder → Kidney → Ureter → Urethra

33 / 55

Que: Rahul put his timepiece on the table in such a way that at 6 P.M. hour hand points to North. In which direction the minute hand will point at 9.15 P.M. ?

1. South-East

2. South

3. North

4. West

34 / 55

Que: Which of the following statements is correct about an aqueous solution of an acid and of a base?

(i) Higher the pH, stronger the acid
(ii) Higher the pH, weaker the acid
(iii) Lower the pH, stronger the base
(iv) Lower the pH, weaker the base

  1. (i) and (iii)
  2. (ii) and (iii)
  3. (i) and (iv)
  4. (ii) and (iv)

35 / 55

Que: The blood leaving the tissues becomes richer in

  1. carbon dioxide
  2. water
  3. hemoglobin
  4. oxygen

36 / 55

Que: Name the substances whose build up in the muscles during vigorous physical exercise may cause cramps?

  1. Ethanol + Carbon dioxide + Energy
  2. Lactic acid + Energy
  3. Carbon dioxide + Water + Energy
  4. Pyruvate

37 / 55

Que: Which plant tissue transports water and minerals from the roots to the leaf?

  1. Xylem
  2. Phloem
  3. Parenchyma
  4. Collenchyma

38 / 55

Que: The mode of nutrition found in fungi is:

  1. Parasitic nutrition
  2. Holozoic nutrition
  3. Autotrophic nutrition
  4. Saprotrophic nutrition

39 / 55

Que: The cells in our blood which destroy disease-causing germs, are

  1. platelets
  2. skin cells
  3. RBCs
  4. WBCs

40 / 55

Que: The embryo in humans gets nutrition from the mother’s blood with the help of a special tissue called

  1. Placenta
  2. Villi
  3. Uterus
  4. Womb

41 / 55

Que: In a state-level dance competition, a total of 75 people took part. Stuti’s position was 13th from the top, and Barkha stood 25th from the bottom. A total of how many participants stood between Stuti and Barkha?

1. 42

2. 30

3. 45

4. 37

42 / 55

Que: Name the pores in a leaf through which respiratory exchange of gases takes place

  1. Lenticels
  2. Vacuoles
  3. Xylem
  4. Stomata

43 / 55

Que: What is the oxidation number of chlorine in HClO4?

  1. +3
  2. +5
  3. +7
  4. +8

44 / 55

Que: Which of the given statements is not a physical change?

  1. Boiling of water to give water vapour
  2. Melting of ice to give water
  3. Dissolution of salt in water
  4. Combustion of Liquefied Petroleum Gas (LPG)

45 / 55

Que: A concave mirror gives real, inverted and same size images if the object is placed

  1. At F
  2. At infinity
  3. At C
  4. Beyond C

46 / 55

Que: The movement of food in phloem is called:

  1. transpiration
  2. translocation
  3. respiration
  4. evaporation

47 / 55

Que: Which of the following are energy foods?

  1. Carbohydrates and fats
  2. Proteins and mineral salts
  3. Vitamins and minerals
  4. Water and roughage

48 / 55

Que: One of the following does not have a nucleus. It would be:

  1. red blood cell
  2. white blood cell
  3. guard cell
  4. epidermal cell

49 / 55

Que: The internal (cellular) energy reserve in autotrophs is

  1. glycogen
  2. protein
  3. starch
  4. fatty acid

50 / 55

Que: In parallel combination, the total resistance

  1. decreases
  2. increases
  3. may decrease or increase according to the situation
  4. no particular observation

51 / 55

Que: An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change?

  1. Baking powder
  2. Lime
  3. Ammonium hydroxide solution
  4. Hydrochloric acid

52 / 55

Que: Focal length of plane mirror is

  1. At infinity
  2. Zero
  3. Negative
  4. None of these

53 / 55

Que: What are the products obtained by anaerobic respiration in plants?

  1. Lactic acid + Energy
  2. Carbon dioxide + Water + Energy
  3. Ethanol + Carbon dioxide + Energy
  4. Pyruvate

54 / 55

Que: The correct sequence of anaerobic reactions in yeast is

55 / 55

Que: Under which of the following conditions can a concave mirror form an image larger than the actual object?

  1. When the object is kept at a distance equal to its radius of curvature
  2. When object is kept at a distance less than its focal length
  3. When object is placed between the focus and centre of curvature
  4. When object is kept at a distance greater than its radius of curvature