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1601.

Find out the true and false statements (a) A recessive factor is altered by the presence of a dominant factor (b) Dominant factor is expressed in both F1 and F2 generations (c) Recessive factor is expressed only in F1 generation of a monohybrid cross (d) Gregor Mendal conducted his experiments on bean plant (A) (a) false (b) false, (c) true, (d) false (B) (a) true (b) false, (c) true, (d) true (C) (a) true (b) true, (c) false, (d) false (D) (a) true (b) false, (c) false, (d) false

Answer»

(C) (a) true (b) true, (c) false, (d) false

Recessive factors never appear in F1 generation since they are masked by Dominant factors and Gregor Mendel worked on Pea plant.

1602.

Which is / are wrong about the properties of meristematic tissue? (a) Cells and small (b) Vacuoles are absent (c) Intercellular spaces are present (d) Cell grow and divide regularly (A) (a) only (B) (b) and (d) only (C) (c) only (D) (d) and (c) only

Answer»

(C) (c) only 

Meristematic cells are tightly packed and do not have intercellular spaces.

1603.

A metal on heating in presence of air gives compound which is soluble in water and have high melting point. The metal is: (A) Calcium (B) Carbon (C)Silicon (D) Iron

Answer»

Correct option is (A) Calcium

1604.

An element which is essential constituent of all organic compounds belongs to which group in Periodic Table. (A) Group 2 (B) Group 14 (C) Group 16 (D) Group 17

Answer»

Correct option is (B) Group 14

1605.

Consider the statement given below and select the correct explanation from the responses given thereafter : Statement ; In 1907-08 some 300 Vietnamese went to Japan to acquire modern education because : (1) They wanted to get lucrative jobs. (2) To avoid unstable political conditions in Vietnam. (3) To drive out French from Vietnam. (4) To enjoy modern lifestyle.

Answer»

Correct option (3) To drive out French from Vietnam.

Explanation:

In 1907-08 some 300 Vietnamese students went to Japan to acquire modern education. For many of them the primary objective was to drive out the French from Vietnam, overthrow the puppet emperor and re-establish the Nguyen dynasty that had beeen deposed by the French.

1606.

Match the table I with table II and select the correct response from the options given thereafter;Table ITable II(a)Louis XVI became the king of France(i)1792-93(b)Convocation of Estate General(ii) 1804(c)France became a republic, the king was beheaded(iii) 1774(d)Nepoleon became emperor of France(iv)1789abcd(1) iii,iiiiv(2) ii,iv,i,iii(3) iii,iv,iii(4) iviii,ii i

Answer»

Correct option (3)   

Explanation:

1774 - Louis XVI became the king of France 

1789 - Convocation of Estate General 

1792-93 - France became a Republic, the king was beheaded 

1804 - Nepoleon becam emperor of France

1607.

Match the table I and table II and select the correct response from option given thereafter: Table ITable II(a)Montesquieu(i)Social Contract(b) Rousseau(ii)Mein Kemph(c) Karl Marx(iii)Das Capital(d)Adolf Hitler (iv)The Spirit of Lawsabcd(1) iv,i,iii,ii(2) ii,i,iv,iii(3) i,iv,iii,ii(4) ii,iii,i,iv

Answer»

Correct option (1)    

Explanation:

Montesquieu - The Spirit of Laws 

Roussseau - Social Contract 

Karl Marx - Das Capital 

Adolf Hitler - Mein Kemph

1608.

The direction of induced current in a circuit is given by (1) Fleming’s left hand rule (2) Fleming’s right hand rule (3) Right hand thumb rule (4) Ampere’s swimming rule

Answer»

Correct option is (2) Fleming’s right hand rule

1609.

How many members President can nominate in the council of states?(1) 8 (2) 12(3) 2 (4) 10

Answer»

Correct option is (2)12

1610.

Which chapter includes the fundamental rights of the citizens?(1) Chapter 3 (2) Chapter 4 (3) Chapter 5 (4) Chapter 6

Answer»

(1) Chapter 3 

1611.

According to _____.’Democracy is a government in which everyone has a shar’. (A) Prof. Mukund (B) Prof. Thomas Harley (C) Prof. Seeley (D) Prof. Lincoln

Answer»

Correct option is (C) Prof. Seeley

1612.

Which of the following statement can help a chemistry student to predict chemical properties of an element?I. Position of element in the periodic tableII. Atomic number of the elementIII. Number of shells in the atomIV. Number of electron in the outer most shell1. I, II and III 2. I, II and IV 3. I, III and IV 4. II, III and IV

Answer»

Correct option: 2. I, II and IV

Explanation:

Chemical properties of an elements is predicted by

  • Position of element in the periodic table
  • Atomic number of element
  • Number of valance electrons in an atom
  • Number of electrons in the outer most shell

Therefore correct option is (2)

1613.

A metallic cubical solid block of side L is slowly lowered continuously in a large vessel, filled with water. Let d be the depth of the lower surface of the block, measured from the surface of the water, at some instant. The graph which represents correctly the variation of the buoyant force F with depth d is:

Answer»

Correct option: (3)

Explanation:

B = Adgρ

l, A, g & ρ are constant

So B ∝ d

when it is dipped completely then B becomes constant

1614.

Which of the following Articles deals with the fundamental right, Right to Education? (A) Article 16(B) Article 20A (C) Article 21A (D) Article 25

Answer»

 Correct answer is (C) Article 21A 

1615.

As per the TRI act, which of the following is the CORRECT option with reference to the time period mandated for supply of information to an applicant in normal course? (A) Within 45 days from the receipt of application by the public authority (B) Within 7 days from the receipt of application by the public authority (C) Within 15 days from the receipt of application by the public authority (D) Within 30 days from the receipt of application by the public authority

Answer»

(D) Within 30 days from the receipt of application by the public authority 

1616.

423411223412244335341123 In the above series, how many 3’s are there such that 4 comes after 3 and 2 comes before 3? (A) 4 (B) 3 (C) 2 (D) 1

Answer»

Correct option is (C) 2

1617.

643145321243174312931 In the above series, how many 3’s are there such that 1 comes after and 4 comes before? (A) 5 (B) 4 (C) 3 (D) 2

Answer»

Correct option is (C) 3

1618.

Choose the wrong option which is not mentioned in Article 51 of the Indian constitution. (1) Establish international peace and security (2) Foster respect for international law (3) Discourage settlement of international disputes by arbitration (4) Maintain justice and honourable relation between nations

Answer»

(4) Maintain justice and honourable relation between nations

1619.

Which number is wrong in following series? 41,41,42,44,48,51,56 (A) 48 (B) 51 (c) 56 (D) 41

Answer»

Correct option is (A) 48

1620.

If the roots of quadratic equation x2 + px + q = 0 are tan30° and tan15° respectively, then the value of 2+q-p = ....1) 3 2) 4 3) -1 4) -2

Answer»

1) 3

x2 + px + q = 0

α = tan 30°, β = tan15°

α + β = tan 30° + tan15° = -p

αβ = tan 30° tan15° = q

\(\frac{α+β}{1-ab}=\frac{-P}{1-q}\)

\(\frac{tan30°+tan15°}{1-tan30°tan15°}=\frac{-p}{1-q}\)

tan 45° = \(\frac{-p}{1-q}\)

1 – q = - p 

Q – p = 1 

2 + q – p = 2 + 1 = 3

1621.

How many even number(s) in the following sequence of numbers are immediately followed by an off number and immediately preceded by an even number? 86768932753422355228119 (A) 1 (B) 3 (C) 5 (D) 4

Answer»

Correct option is (D) 4

1622.

The sum of  \(0.\bar{6}\) and \(0.\bar{7}\) is (A) \(1.\bar{3}\)(B) 1.3(C) \(1.\bar{4}\)(D) an irrational number

Answer»

 Correct option is (C) \(1.\bar{4}\)

1623.

A force acting on an object of mass 500 gm changes its speed from 200 cm/s to 0.2 m/s. The change in momentum is: (A) increase by 0.90 Ns (B) decrease by 0.90 Ns (C) increase by 90 g cm/s (D) decrease by 90 g cm/s

Answer»

(B) decrease by 0.90 Ns 

1624.

For no change in the mass of the earth, if its radius is halved the weight of an object of mass 10 kg will be: (A) 40 kg wt. (B) 10 kg wt. (C) 80 kg wt. (D) 20 kg wt.

Answer»

Correct option is (A) 40 kg wt.

1625.

A car of mass one metric ton accelerate from rest at the rate of 2 m/s2 from t = 0 sec to t = 10 sec. There after it travels with a uniform velocity. The measure of net retarding force acting on the car after 10 sec is : (A) 4000 N (B) 2000 N (C) 0 N (D) -2000 N

Answer»

Correct option is (B) 2000 N

1626.

Two cars X and Y accelerate at the rate of 2 m/ s2 and 3 m/s2 respectively from rest. The ratio of time taken by the cars X and Y is 4: 5. In that given ratio of time interval if the distance travelled by car X is 100 km then the distance travelled by car Y is: (A) 1875 /8 km (B) 375 /2 km (C) 1875 /4 km (D) 375 /4 km

Answer»

Correct option is (A) 1875 /8 km 

1627.

A number is first reduced by 10% and then it is again increased by 10%. Then the number is changed by (A) 20% increase (B) 10% decrease (C) 10% increase (D) 1% decrease

Answer»

(D) 1% decrease

(x - 10% of x) + 10% of (x - 10% of x) = 99x / 100

%change \(\cfrac{x-\frac{99x}{100}}{x}\) x 100 = 1%

∴ 1% decrease

1628.

An injury in accident has disturbed regulation of body temperature, water balance and hunger. The part of brain effected is : (1) Cerebellum (2) Cerebrum (3) Medulla oblongata (4) Hypothalamus

Answer»

Correct option (4) Hypothalamus

Explanation:

Hypothalamus is also known as thermoregulatory and satiety centre of the body

1629.

Which of the following is a group of hermaphrodites ? (1) Earthworm, hydra, leech (2) Cockroach, earthworm, hydra (3) Earthworm, ascaris, leech (4) Ascaris, cockroach, hydra

Answer»

Correct option (1) Earthworm, hydra, leech

Explanation:

Hermaphrodites are the organisms having both male and female reproductive organs. 

e.g. Earthworm, Hydra, Leech. 

In Cockroach and Ascaris – both male and female reproductive organs are present in different organisms.

1630.

If a rat is given an injection of sodium iodide with radioactive iodine, then in which of the following most of iodine would be incorporated ? (1) Cartilage (2) Thyroid (3) Parathyroid (4) Lymph nodes

Answer»

Correct option (2) Thyroid

Explanation:

Thyroid gland needs Iodine for the formation of its hormones i.e. T3, T4.

1631.

In a six year old stem, the oldest layer of secondary xylem is situated just : (1) Outside the primary xylem (2) Outside vascular cambium (3) On the inner side of cork cambium (4) On the inner side of vascular cambium

Answer»

Correct option (1) Outside the primary xylem

Explanation:

During secondary growth, secondary xylem is formed, outside to the primary xylem. So the newest layers will be towards vascular cambium, while the oldest will be towards primary xylem.

1632.

All fungi are (A) Parasites (B) Saprophytes (C) Symbiont (D) Heterotrophs

Answer»

(D) Heterotrophs

1633.

An exception to cell theory is (A) Bacteria (B) Virus (C) Algae (D) All

Answer»

Correct option is (B) Virus

1634.

Bacteria 'easter's are (A) Virus (B) Bacteria (C) Fungi (D) Algae

Answer»

Correct option is (A) Virus

1635.

Chemical composition of chromosome is (A) DNA and lipid (B) DNA and carbohydrates (C) Proteins and lipids (D) DNA and proteins

Answer»

(D) DNA and proteins

1636.

DNA replication (synthesis) occurs in (A) G-phase (B) S-phase (C) G2 phase (D) M phase

Answer»

Correct option is (B) S-phase 

1637.

A box measures 10cm x 11.2cm x 10cm. Assume that this box is filled with neon gas at 1 atm pressure and 273K temperature. How many electrons will be there in the box? (A) 6.022 x 1023 (B) 3.011 10 x 1023 (C) 6.022 x 1022(D) 3.011 x 1022

Answer»

(B) 3.011 10 x 1023 

1638.

Which one of the following resin codes in plastic items are unsafe? (1) 1, 2, 3 (2) 3, 6, 7 (3) 3, 4, 5 (4) 5, 6, 7

Answer»

Correct option is (2) 3, 6, 7

1639.

The hormone that promotes lactation and simulates the uterus to contract (A) Calcitionin(B) Thyroxine (C) Oxytocin (D) Vasopressin

Answer»

Correct option is (C) Oxytocin

1640.

Which one of the following statement is true? (A) In human, there are two pairs of sex chromosomes (B) A child who inherits an X-chromosome from father, will be a boy. (C) A child who inherits a Y-chromosome from father, will be a girl (D) A child who inherits an X-chromosome from father, will be a girl

Answer»

(D) A child who inherits an X-chromosome from father, will be a girl

1641.

Iodine is necessary for the synthesis of which hormone? (A) Auxin (B) Thyroxin (C) Adrenaline (D) Insulin

Answer»

Correct option is (B) Thyroxin

1642.

Splitting of white light into its component is called (1) Dispersion (2) Scattering (3) Total internal Reflection (4) Spectrum

Answer»

(1) Dispersion

1643.

In a hydro-Power Plant (1) Kinetic energy possessed by the stored water is converted into potential energy. (2) Potential energy possessed by the stored water is converted into electricity. (3) Water is converted into steam to produce electricity. (4) Heat is extracted from water to produced electricity.

Answer»

(2) Potential energy possessed by the stored water is converted into electricity.

1644.

The velocity – time graph of a moving body is shown in the figure. Which of the following statements is true? (1) The acceleration is constant and positive. (2) The acceleration is constant and negative. (3) The acceleration is increased and positive. (4) The acceleration is decreasing and negative.

Answer»

(3) The acceleration is increased and positive.

As slope of v–t gives acceleration and slope is positive as well as increasing.

option 3 will be correct


1645.

Name the metal which offers higher resistance to the passage of electricity than copper. (1) Gold (2) Silver (3) Mercury (4) None of these

Answer»

(3) Mercury

Order of electricity 

Ag > Cu > Au > Al > W > Hg 

Hg has very high resistance

1646.

Which among the following is considered to be most liquid assets? (1) Gold (2) Demand Deposits (3) Land (4) Money

Answer»

(1) Gold / (4) Money

1647.

Which of the following group of countries has better performance in terms of human development than India? (A) Bhutan, Srilanka, Nepal (B) Pakistan, Bangladesh, Srilanka (C) Srilanka, Indonesia, Cuba (D) Ghana. Kenya, Bangladesh

Answer»

(C) Srilanka, Indonesia, Cuba

1648.

Right to choose, Right to seek represent, Right to represent and Right to be informed are (A) Fundamental Rights (B) Consumer rights (C) Fundamental duty (D) Consumer Movement

Answer»

(B) Consumer rights

1649.

Food security is ensured in a country only if – (1) Enough food is available for all the person (2) All persons have the capacity to buy food of acceptable quality (3) There is no barrier on access to food (4) All above

Answer»

(4) All above 

1650.

Based on the following information answer the following questions : (A) In a school classes of different subjects – Commerce, Mathematics, English, Hindi, Urdu and Sanskrit are held in weekdays and Sunday is a holiday. (B) Commerce class is on Friday and English is taught on Monday. Urdu class is after Hindi. Sanskrit is taught on Thursday after Urdu. (C) Mathematics class is on one day before holiday. i) Which subject is taught on Wednesday? (1) Hindi (2) Urdu (3) English (4) Sanskrit ii) Which subject is taught before Hindi? (1) English (2) Urdu (3) Sanskrit (4) Mathematics iii) The difference of how many days is there between Urdu and Commerce classes? (1) 4 (2) 3 (3) 2 (4) 1 iv) Mathematics class is just after which subject? (1) Hindi (2) Mathematics (3) Sanskrit (4) Commerce v) The classes start with which subject? (1) English (2) Hindi (3) Commerce (4) Sanskrit

Answer»

i)  (2) Urdu

ii) (1) English

iii) (4) 1

iv) (4) Commerce

v) (1) English