Grand Test 10 For NEET 2021

1.Which one of the following statement is not correct?

2.Find the correct match

3.Cr-Jacob disease is caused by

4.The colour variation in brown algae depends on the varying amount of

5.How many of them are wrong in these following statements?

I.The ovary is inferior in the ray florets of Sunflower

II.Endosperm is not present in mature seeds of castor

III.Belladonna has a floral formula of

IV.Integuments of ovule encircle the nucellus except at the tip called Chalaza

6.Fabaceae family shows……….flower

7.Intine is made up of

8.Identify the mentioned region

9.Which of the following statements is wrong?

10.Egg apparatus is consists of

11.Read the statements from (i)-(iv) and find out incorrect statements

i. Chromatophores of cyanobacteria is actually membranous extensions

ii. Pili and fimbriae are made up of same special protein

iii. The membrane of the erythrocyte contains 52% protein and 40% lipids approx.

iv. Mitochondria, endoplasmic reticulum and golgi complex together form the endomembrane system

12.Which is the incorrect match?

13.The following disease is a typical example of pleotropic trait

14.45 with XO manifests

15.

Match the column

16.Recombinase facilitates

17.…………..is the longest phase of cell cycle

18.Which of the following statement is true?

19.Which is not a plant micronutrient?

20.During nitrogen metabolism nitrogenase is activated by

21.Which of the following compartment in the diagram is involved in NADPH production?

22.In which stage of Calvin cycle 3-phosphoglycerate is formed?

23.

Identify ‘A’ and ‘B’ in the above following reaction

24.A substrate level phosphorylation occurs in Citric acid cycle

25.Heterophylly in cotton is recognised as

26.Terpene based PGR is

27.Which is a false statement?

28.Biogas is a mixture of

29. Find out the odd match

30.

Here regulators are

31.Assertion: In the absence of an external source of water, the kangaroo rat in North American deserts is capable of meeting all its water requirements

Reason: Internal carbohydrate metabolism

32.If in a forest there were 430 caterpillars last year and through reproduction 20 new caterpillars are added, taking the current population 450,The birth rate will be

33.Tiger census in a national park is based on

34.Read the following statement and state how many of them are incorrect

i. Productivity is defined as the rate of biomass production. It is expressed in terms of kcal m-²

ii. Humus that is highly resistant to microbial action and undergoes decomposition at an extremely slow rate

iii. The green plant in the ecosystem are called Standing crop

iv. Some of the organisms of DFC are prey to the GFC animals

35.Which of the following is the sedimentary cycle?

36.Approximately………….kg of carbon is fixed annually in the biosphere through photosynthesis

37.The amount of carbon di oxide is regulated in the atmosphere by

38.Which among them are more vulnerable to extinction?

39.World summit on Sustainable Development held in

40.Khasi and Jaintia hills in Meghalaya are known for

41.Which is a true statement?

42.Standing state defines about

43.

The following equation represents ………….and K is here…………….

44.A considerable amount of GPP is utilised by

45.Mineralisation is

46.Nematocyst containing structure in Sea anemone is

47.What is the incorrect match?

48.In cockroach the female genital pouch is formed from

49.Find out the odd group

50.Which is the correct statement?

51.

1. Match the column

52.The development of americana is

53.americana contaminate and spoil food items through their

54.Which one of the following statements is correct?

55.

Which statement is true regarding the diagram?

56.Trihydroxy propane

57.The acid soluble pool does not represent

58.Read the following statements and state which one of them is correct?

59.Glycosidic bond is formed by

60.Starch can form…………

61.Serosa the outermost layer is made up of

62.In a villus, some of the glycerol and fatty acids are combined to form fats, coated with proteins and then transported as chylomicrons to the

63.The reddish-brown colour of the normal feces is caused by?

64.How many of the statements are true?

i. A healthy individual has 12-16 gm of haemoglobin in every 100 ml of blood

ii. Coagulam is the network of fibrinogen

iii. Sound box is made up of cartilaginous tissue

iv. An increase in pulmonary volume decreases the intra-pulmonary pressure to less than the atmospheric pressure which forces the air from outside to move into the lungs

65.The partial pressure of O₂ in the tissue remains………….mm Hg

66.The function of respiratory rhythm centre is moderated by

67.Decrease in respiratory surface of alveoli manifests

68.Cardiac function is moderated through autonomic nervous system from the brain region

69.Plasma albumin facilitates

70.Both erythrocyte and leukocytes from in the

71.Which is the wrong statement?

72.Which hormone acts as check on the renin-angiotensin mechanism/

73.On an average,……gm of urea is excreted out per day

74.In resting state active binding site of myosin remain masked by

75.Low Ca⁺⁺ in body fluid leads to

76.Find out the incorrect statement

77.Melatonin is secreted from

78.Which hormone facilitates bone demineralisation?

79.Primary oocytes are temporarily arrested in the meiotic stage

80.Which of the following statement is true?

81.According to the census report, the population growth rate is

82.Lippes loop is a

83.The flourishing period of Ferns is

84..Homo habilis had a brain capacity of………….

85.Common drug abused by sportspersons is

86.Hepatitis B vaccine is produced from

87.How many statements are correct from (i) – (iv)?

i. Restriction enzymes cut the strand of DNA at the centre of the palindrome sites

ii. In gel electrophoresis the fragmented DNA cannot be seen till it is stained by ETBR followed by UV radiation

iii. The smaller the fragment size, the further it moves in agarose gel

iv. The normal E. coli cells do not carry resistance against ampicillin

88.

The ‘rop’ in the diagram is responsible for

89.The first clinical gene therapy was given in 1990 to a 4-year old girl with adenosine deaminase (ADA) deficiency. This enzyme is crucial for

90.Using Agrobacterium vectors,…………….genes were introduced into the host plant

91.Which of the following quantities have dimensions of πPr⁴/3Ql (Q= volume flow rate in m³/s and P = pressure):

92.The hour hand of a clock is 6 cm long. The magnitude of the displacement of the tip of our hand between 1 pm to 5 pm is

93. A body of mass 1kg is rotating in a vertical circle of radius 1m. what will be the difference in its kinetic energy at the top and bottom of the circle:

94.Power deliverted to a body varies as P=3t². Find out the change in kinetic energy of the body from t=2s to 4s.

95.A small particle of mass m attached with a light inextensible string of length l is moving in a vertical circle of radius l. If the particle is moving in complete vertical circle and the ratio of its maximum to minimum velocity is 2:1, then the minimum velocity of the particle is:

96.A spherical drop of capacitance 1 micro farad is broken into eight drops of equal radius. capacitance of each small drop in micro farad is:

97.

A particle executing SHM with time period T and amplitude A. The maximum possible average velocity in time T/4 is:

98.A Spring mass system oscillates with a frequency n. If it is taken in an elevator slowly accelerating upwards the frequency will

99.T tuning fork and a sonometer wire sounded together and produce 4 beats per second. when the length of the sonometer wire is 95cm or 100cm. The frequency of the tuning fork is:

100.Electric field at the centre ‘O’ of a semicircle current carrying wire of radius ‘a’ having linear charge density λ is given by:

101.For the network of resistance shown  in the figure. the equivalent resistance of the network between the points A and B is 18 ohm. The value of unknown resistance (in ohm) is:

102.A block of mass 2kg is at rest on a floor. the coefficient of static friction between the block and the floor is 0.54. A horizontal force of 2.8N is applied to the block what should be the frictional force between the block and the floor:

103.The maximum horizontal range of a projectile is 16 km when the projectile is thrown at an angle of 30° from the horizontal it will reach to the maximum height of:

104.Two identical short bar magnets P and Q are arranged such that their centres are on the x axis and are separated by a large distance. The magnetic axes of P and Q are along x and y axis respectively. At a point R, midway between their centres; if B is the magnitude of induction due to Q, the magnitude of total induction at R due to the both magnets is:

105.Two beams A and B of plane polarised light with mutually perpendicular planes of polarization are seen through a polaroid. From the position when the beam A has maximum intensity (and beam B has 0 intensity), a rotation of polaroids through 30° makes the two beams appears equally bright. If the initial intensities of two beams are I_A and I_B respectively. Then I_A/I_B equals:

106.A particle of mass M and charge Q moves with a constant velocity V along the positive X direction. it enters a region containing a uniform magnetic field B directed along the negative z direction extending from x=a to x=b. the minimum value of v required so that the particle can just enter the region x>b is:

107.Two bodies of masses 2kg and 4kg are moving with velocities 2 m/s  and 10 m/s respectively towards each other due to a mutual gravitational attraction. what is the velocity of their centre of mass (bodies are at rest initially):

108.Maximum density of water is at the temperature:

109.A body of mass 5 kg strikes another body of mass 2.5 kg initially at rest. The bodies after collision coalesce and begins to move aa a whole with a kinetic energy of 5 J. the kinetic energy of the first body before collision is:

20.6 moles of an ideal gas performs a cycle shown in figure. If the temperature T_A=600 K,T_B=800 K,T_C=2200 K,  T_D=1200 K, the work done per cycle is:

111.Two pendulums begins to swing simultaneously. The first pendulum makes 11 complete oscillations when the other makes 9. The ratio of length of the two pendulums is:

112.A certain prism is found to produce a minimum deviation of 38°. it produces a division of 44° when the angle of incidence is either 42° or 62° what is the angle of incidence when it is undergoing minimum deviation:

113.In YDDE, the source placed symmetrically with respect to the slit is now moved parallel to the plane of the slit so that it is closer to the upper  slit, as shown. Then

114.A closed organ pipe and an open organ pipe have their first overtones identical in frequency their length are in the ratio:

115.is v_e is escape velocity and v_o is orbital velocity of satellite for close to the Earth’s surface then these are related by:

116. If  the ratio of diameters, lengths and young’s moduli of Steel and brass wires shown in the figure are p q and r respectively. then the corresponding ratio of increase in their lengths will be:

117.A particle moves in xy plane with a velocity given by v=(8t-2)i+2j. If it passes through the point (14,4) at t=2s, then give equation of the path:

118.Two bodies of masses m and M are placed at distance d apart. The gravitational potential(V) at the position where the gravitational field due to them is zero V is:

119.In given LCR circuit, the voltage across the terminals of resistance and current will be:

120.If the gravitational acceleration at surface of earth is g, then increase in lifting an object of mass m to a height equal to the radius R of earth will be:

121. In the following circuits PN junction diode D₁,D₂ and D₃ are ideal for the following potentials of A and B the correct increasing order of resistance between A and B will be:

(i) -10V, -5V

(ii) -5V, -10V

(iii) -4V, -12V